Official .260 tOBR Thread-Pics/Range/Loads/Updated Thread Index (Page 20 of 188)
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Page 20 ownage! Twenty pages and well over 22,000 views, who’d a thunk?
The thread is heading in a positive direction with so many folks asking questions, new people checking in and established shooters stopping by to lend their advice and expertise, excellent! Thanks to the regulars for keeping up and to others who have dropped in and started to follow the goings on. I was asked why I post so many pictures and the answer is simple, I process visually. I was the kid in algebra class looking at the ceiling tiles while I was trying to visualize the answer! I think pictures help put narratives in perspective and add context. I also appreciate when posters do the same, visual overload, that’s what I need! Originally Posted By JCIN:
Originally Posted By Defender3:
Wow, rifle and photo skills, excellent! Can you comment on the camera/lens you used and some of the settings to bring out those colors and clarity? I'm working with FRBaseball on a video. We shot some stuff last weekend and will get the rest this weekend. Awesome job with the index and links. That took some effort. Originally Posted By DuneShoot:
Originally Posted By Defender3:
Maybe it's not a Gen 3? The Gen 3 has two extension inserts, one for a carbine and one for a rifle length buffer. The rifle length uses tension and the rear screw, whereas the carbine length only uses tension. Magpul Gen 3 PRS Magpul not Gen 3 PRS Gen III Instructions: https://www.AR15.Com/media/mediaFiles/52736/EPSON043-1-225018.jpg https://www.AR15.Com/media/mediaFiles/52736/EPSON044-1-225019.jpg Guy I bought it from said it was a 3 and I didn't realize it until now 
I shot with it today for the 1st time. I noticed a 2 MOA shift down and had a 5-6 FTE's out of 60 rounds shooting suppressed. Anyone else notice these issue when installing the PRS? |
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Originally Posted By DuneShoot:
I was only shooting suppressed.
Check the buffer tube for proper length, I'm assuming it is a rifle length buffer tube since it's a Gen2. If so, is it a LaRue tube or a non-Larue tube? Answer will possibly affect spring and spacer. Check the spring to ensure it's for an AR10 and not an AR15 spring. Check the spring and buffer for any abnormal wear. If you dropped your LaRue carbine spring (red) and buffer into the rifle tube, you need a spacer so the BCG won't bottom out. A spacer for a non-LaRue tube is a bit longer than the Larue tube spacer. There was a previous thread on this issue as I ran into it with my PRS. |
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Some H4350 not a great price but its in stock if you need it.
H4350 |
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Wow, I was paying that price pre-election just to try and get some in case the witch was elected. I would have thought it would have come back down in price by now.
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That didn't last long.
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Originally Posted By Joshpuh:
That didn't last long. Originally Posted By Joshpuh:
GunBot Powder |
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Originally Posted By Defender3:
I changed from a Gen2 to a Gen 3 PRS and did not have the issues you mentioned. You said you're using a Gen 2 and I'll assume you were using the same ammo / suppressor with no real change in environmental conditions, the PST is in the same unsuppressed mode and the optic is torqued with no new elevation / windage changes. I would do the basics first:
Originally Posted By Defender3:
Originally Posted By DuneShoot:
I was only shooting suppressed.
Yesterday (Suppressed with an Omega with PST on) I had 5-6 FTE's out of 60 rounds. I cleaned and oiled the BCG but did not clean the barrel or chamber. Today after 30ish rounds I had numerous FTE's and 1 double feed. I wiped the BCG and re-oiled it which didn't help. Pretty frustrating this rifle won't run reliably suppressed. This rifle is still .308 suing Federal gold and 20 Australian Outback's, 168gr. |
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Originally Posted By DuneShoot:
Same everything, just changed to a Larue rifle length tube and Larue spacer. Same spring and buffer. I was advised it should work fine which is mostly does. I am shooting suppressed with the PST IN the suppressed setting. Yesterday (Suppressed with an Omega with PST on) I had 5-6 FTE's out of 60 rounds. I cleaned and oiled the BCG but did not clean the barrel or chamber. Today after 30ish rounds I had numerous FTE's and 1 double feed. I wiped the BCG and re-oiled it which didn't help. Pretty frustrating this rifle won't run reliably suppressed. This rifle is still .308 suing Federal gold and 20 Australian Outback's, 168gr. Originally Posted By DuneShoot:
Originally Posted By Defender3:
Originally Posted By DuneShoot:
I was only shooting suppressed.
Yesterday (Suppressed with an Omega with PST on) I had 5-6 FTE's out of 60 rounds. I cleaned and oiled the BCG but did not clean the barrel or chamber. Today after 30ish rounds I had numerous FTE's and 1 double feed. I wiped the BCG and re-oiled it which didn't help. Pretty frustrating this rifle won't run reliably suppressed. This rifle is still .308 suing Federal gold and 20 Australian Outback's, 168gr. I have a 7.62 tOBR with the same PRS setup and have no issues un-suppressed or suppressed shooting FGMM 168s and 175s. |
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Originally Posted By DuneShoot:
1st couple shots it ejects around 4 o'clock. Once the rifle gets hot brass ejects more towards the 1-2 o'clock position. |
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Originally Posted By Joshpuh:
That didn't last long. Originally Posted By Joshpuh:
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Originally Posted By DuneShoot:
D3-Which web site did you get the load data from? This is what I found on http://www.hodgdonreloading.com/data/rifle ManufacturerPowderBullet Diam.C.O.L.Grs.Vel. (ft/s)PressureGrs.Vel. (ft/s)PressureHodgdonH4350.264"2.780"39.72,64650,600 PSI42.72,81659,000 PSI |
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Originally Posted By DuneShoot:
D3!? Originally Posted By DuneShoot:
Originally Posted By DuneShoot:
D3-Which web site did you get the load data from? This is what I found on http://www.hodgdonreloading.com/data/rifle ManufacturerPowderBullet Diam.C.O.L.Grs.Vel. (ft/s)PressureGrs.Vel. (ft/s)PressureHodgdonH4350.264"2.780"39.72,64650,600 PSI42.72,81659,000 PSI |
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Originally Posted By Defender3:
I use the load manual from the manufacture whose bullets I'm using, e.g., Berger for Berger, Hornady for Hornady, etc. When the newest Hornady manual did not have load data for the new 130gr ELD-M, I went to Hornady's site and used their load data for the H4350. |
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Originally Posted By DuneShoot:
What's the difference between it and a standard dillon tool head? |
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Originally Posted By DuneShoot:
I'm not seeing it on Hornadys site for the 130 ELDM. Originally Posted By DuneShoot:
Originally Posted By Defender3:
I use the load manual from the manufacture whose bullets I'm using, e.g., Berger for Berger, Hornady for Hornady, etc. When the newest Hornady manual did not have load data for the new 130gr ELD-M, I went to Hornady's site and used their load data for the H4350. H4350 |
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I see it now, not sure how I missed that!
On a side note I picked up a rock chucker today. With a birthday gift card, club points, a coupon, and it being on-sale I only paid $10 for it! Of course I got a few other goodies 
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Originally Posted By mettee:
The die isnt locked into the toolhead completely solid, it is allowed to float and center itself over the ammo in the shell holder. So less force trying to force the shell in off center. Of the two, I'd take the whidden because it is more or less understood that floating improves concentricity (in fact it is the biggest selling point of the Co Ax), but all five of the factory 650 toolheads I have already float pretty well. Maybe the whidden is more square. |
Tonight's update starts with the weekly newspaper arriving and me seeing this gem on the front page.
Apparently the psycho crazy bitch carried a cup of gas upstairs to the bedroom, doused unsuspecting hubby and then lit him on fire. It happened just a mile from the estate so to ensure there's no collateral group think, I quickly placed the paper in recycling so HH6 doesn't get any ideas.
I received my Alpha mags and did a quick measurement. As you know the Mausingfield uses AI mags and a trait of the AI's is a solid metal strip at the front of the mag that reduces COAL. The Alphas don't have that strip, which gives you just a bit more length. 
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Originally Posted By nihilsum:
I love how the linked whidden is designed to float while the unique tek duneshoot mentioned is designed to not move at all and both claim to reduce runout by eliminating what the other promotes. Of the two, I'd take the whidden because it is more or less understood that floating improves concentricity (in fact it is the biggest selling point of the Co Ax), but all five of the factory 650 toolheads I have already float pretty well. Maybe the whidden is more square. Originally Posted By nihilsum:
Originally Posted By mettee:
The die isnt locked into the toolhead completely solid, it is allowed to float and center itself over the ammo in the shell holder. So less force trying to force the shell in off center. Of the two, I'd take the whidden because it is more or less understood that floating improves concentricity (in fact it is the biggest selling point of the Co Ax), but all five of the factory 650 toolheads I have already float pretty well. Maybe the whidden is more square. |
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Had a little time between rounding up cattle and spraying crops.
Only had to move elevation 2.5moa, and 1.25 moa from the .308 zero. Hornady 130 ELD match ammo 6.5 V.A.P.R suppressor, 18" .260 barrel 2640 FPS, little disapointed in the stdev as it was 19.6 over 10 shots. Maybe with seasoning the barrel will get more consistent? The Hornady 140 ELD match out of my LRI 6.5 is around 8 stdev. First 20 some rounds through the barrel, generally the groups tightened up, mostly shooter error. I had to pause for 10-15 minutes and drive to the shop to get the chrono and then came back and finished the 3rd string. Shot a flier, but by the 4th and 5th group it was shooting bugholes. I'll take it out to 1,100 on steel here shortly. Pretty impressed. 
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Originally Posted By wompastompa:
Had a little time between rounding up cattle and spraying crops. Only had to move elevation 2.5moa, and 1.25 moa from the .308 zero. Hornady 130 ELD match ammo 6.5 V.A.P.R suppressor, 18" .260 barrel 2640 FPS, little disapointed in the stdev as it was 19.6 over 10 shots. Maybe with seasoning the barrel will get more consistent? The Hornady 140 ELD match out of my LRI 6.5 is around 8 stdev. First 20 some rounds through the barrel, generally the groups tightened up, mostly shooter error. I had to pause for 10-15 minutes and drive to the shop to get the chrono and then came back and finished the 3rd string. Shot a flier, but by the 4th and 5th group it was shooting bugholes. I'll take it out to 1,100 on steel here shortly. Pretty impressed. http://i1283.photobucket.com/albums/a544/alabamachucksnake/IMG_9174_zpsz5d6bn85.jpg http://i1283.photobucket.com/albums/a544/alabamachucksnake/260tOBR_zpsjlb3ytdp.jpg D3, how far did you load those off the lands? We should add a spec list for loads around the OP. Its likely many of our guns will use the same stuff. |
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Originally Posted By mettee:
Outstanding D3, how far did you load those off the lands? We should add a spec list for loads around the OP. Its likely many of our guns will use the same stuff. I'd be interested in other people's thoughts about loading for a gasser and just how attentive they are with issues like jump, concentricity (and what gauge they may be using), etc. @nihilsum |
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Originally Posted By Aby001:
You can also go to Hodgdon's website and type in the caliber, bullet, and powder your using. It will give you the minimum and maximum load range.
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Originally Posted By wompastompa:
Had a little time between rounding up cattle and spraying crops. Only had to move elevation 2.5moa, and 1.25 moa from the .308 zero. Hornady 130 ELD match ammo 6.5 V.A.P.R suppressor, 18" .260 barrel 2640 FPS, little disapointed in the stdev as it was 19.6 over 10 shots. Maybe with seasoning the barrel will get more consistent? The Hornady 140 ELD match out of my LRI 6.5 is around 8 stdev. First 20 some rounds through the barrel, generally the groups tightened up, mostly shooter error. I had to pause for 10-15 minutes and drive to the shop to get the chrono and then came back and finished the 3rd string. Shot a flier, but by the 4th and 5th group it was shooting bugholes. I'll take it out to 1,100 on steel here shortly. Pretty impressed. http://i1283.photobucket.com/albums/a544/alabamachucksnake/IMG_9174_zpsz5d6bn85.jpg http://i1283.photobucket.com/albums/a544/alabamachucksnake/260tOBR_zpsjlb3ytdp.jpg
Very nice shooting and thanks for posting! ETA - Can you tell us which direction your 1.25 MOA shift was for windage? |
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D3 do you use a heavier buffer and spring? Ejection is quite violent, running suppressed.
Thought about slashes extra heavy buffer and spring. Shooting out brass at 1 o'clock, all the mouths are dented. Oh and my POI after removing the .308 barrel and installing the .260 was right and low. Looks like either way changing barrels i'll always be on paper at 100yds, thats not too bad. Do the tranquilos run less pressure than most suppressors? All I have is surefire's and SRT V.A.P.R's in 5.56 and 6.5. The V.A.P.R's are noticeably quieter and if I can hear the difference the meter is probably substantial. The quieter can also runs more pressure. |
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As mentioned before I changed muzzle devices to be able to run a different suppressor while the TQ is in jail.
Saw a 10MOA shift down in POI, adjusted scope for the difference and it seemed to shoot OK. Added a PRS stock and another POI change. Shot to 500 yards and it was all over the place as well as numerous stove pipes. I thought the issue was me. Cleaned it today, put it all back together and was just about to put it back in the safe. I was wiping off the muzzle brake and noticed the barrel was loose. Son-of-a!! Called Larue to ask how much torque I should put on the nut to tighten it back up. He said 50-80 IIRC but adviced me to check the indexing pin to make sure it was not bent and in their tight. I was able to pull the pin out easily 
Talked to John at Larue and the upper is headed back to him for a new pin and to check everything over. I suspect I used to much torque when installing the muzzle brake however I have installed quite a few to 'about' the same torque and never had an issue.
Great customer service! |
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Only 7 left at 8:50am PST
8lbs H4350 ETA: SOLD OUT |
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Originally Posted By DuneShoot:
As mentioned before I changed muzzle devices to be able to run a different suppressor while the TQ is in jail. Saw a 10MOA shift down in POI, adjusted scope for the difference and it seemed to shoot OK. Added a PRS stock and another POI change. Shot to 500 yards and it was all over the place as well as numerous stove pipes. I thought the issue was me. Cleaned it today, put it all back together and was just about to put it back in the safe. I was wiping off the muzzle brake and noticed the barrel was loose. Son-of-a!! Called Larue to ask how much torque I should put on the nut to tighten it back up. He said 50-80 IIRC but adviced me to check the indexing pin to make sure it was not bent and in their tight. I was able to pull the pin out easily
Talked to John at Larue and the upper is headed back to him for a new pin and to check everything over. I suspect I used to much torque when installing the muzzle brake however I have installed quite a few to 'about' the same torque and never had an issue.
Great customer service! |
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Originally Posted By nihilsum:
KAC "Knight Stick" is a good option for 7.62 and much cheaper if you can find one. It can do SR15 barrel extensions also (E3 rounded lug only) Originally Posted By nihilsum:
Originally Posted By Defender3:
I saw one on the EE and almost jumped on it. |
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Originally Posted By wompastompa:
D3 do you use a heavier buffer and spring? Ejection is quite violent, running suppressed. Thought about slashes extra heavy buffer and spring. Shooting out brass at 1 o'clock, all the mouths are dented. Oh and my POI after removing the .308 barrel and installing the .260 was right and low. Looks like either way changing barrels i'll always be on paper at 100yds, thats not too bad. Do the tranquilos run less pressure than most suppressors? All I have is surefire's and SRT V.A.P.R's in 5.56 and 6.5. The V.A.P.R's are noticeably quieter and if I can hear the difference the meter is probably substantial. The quieter can also runs more pressure. I think the TQ vents the pressure in a much different manner which reduces backpressure. As to quieter, sometimes it's also the "tone" of the suppressor that helps make it sound quieter / softer. P.S. Assuming you did change the PST to the suppressed setting. |
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Originally Posted By Defender3:
Are you checking concentricity of your loaded rounds for your gasser? If so, which gauge are you using? 
Edit: 10 or so I checked from the last lot of 300 loaded were all .003 or less in runout. Unfortunately I can't speak to .260 as I have not converted my tOBR yet, but... I do not turn necks, weigh brass, or compare and sort bullets as I think these things net diminishing returns in a large frame gas rifle if you are using decent components to start. I do sort brass into lots by headstamp and number of firings. I do all brass processing on a progressive press with rt1200 FL size/trim die. The necks are expanded on the same toolhead after trimming with a lyman M die. While the RT1200 cuts square with no burs, I still use a VLD chamfer tool on the case necks before seating with a forster micrometer die. Anything with extruded power, I'll measure with a chargemaster. Ball powders I just do the entire loading process on the dillon and use its powder drop. Not really applying any serious care seems to work well enough for gas gun/steel purposes. Single digit SDs with thrown ball powder and generally ~10 FPS SD with extruded powders in the right node. These are the last three (not cherry picked) groups I have put on paper through an 18" OBR. 
Other general observations loading for 7.62 gas rifles: -They're tough to get to shoot like a good bolt action. The OBR above has been better than most. Oddly it came with the worst test target I have ever seen from LaRue. Just shows to not put too much faith in test targets. -Many seem to have a much narrower reliable operating range than AR15s, you may have to consider this when doing your workup. Once I start pushing stuff as hard as I would in loads for a bolt rifle if I find a node near the top of the loading range, I start to get bolt over base problems due to the carriers outrunning the magazines. -Slow powders seem to exacerbate the above. Maybe it is the greater gas volume, heavier charge, or slower impulse. For .308, the perfect range for heavy bullets seems to be between 8208 and 4064 or varget. I go much slower and seem to run into more violent operation and some reliability problems. I bet this is part of why the .260 gas tubes are so far out as you are kind of locked in to slower powders in this caliber. -Mine have been generally finickier in what they shoot well than bolt actions. Not sure why this is and it is probably more of a 'YMMV' |
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Originally Posted By nihilsum:
Yes, but only a few rounds from each loaded lot are case gauged and concentricity checked. I use a brownells/sinclair gauge for concentricity: http://i.imgur.com/toVod69.jpg Edit: 10 or so I checked from the last lot of 300 loaded were all .003 or less in runout. Unfortunately I can't speak to .260 as I have not converted my tOBR yet, but... I do not turn necks, weigh brass, or compare and sort bullets as I think these things net diminishing returns in a large frame gas rifle if you are using decent components to start. I do sort brass into lots by headstamp and number of firings. I do all brass processing on a progressive press with rt1200 FL size/trim die. The necks are expanded on the same toolhead after trimming with a lyman M die. While the RT1200 cuts square with no burs, I still use a VLD chamfer tool on the case necks before seating with a forster micrometer die. Anything with extruded power, I'll measure with a chargemaster. Ball powders I just do the entire loading process on the dillon and use its powder drop. Not really applying any serious care seems to work well enough for gas gun/steel purposes. Single digit SDs with thrown ball powder and generally ~10 FPS SD with extruded powders in the right node. These are the last three (not cherry picked) groups I have put on paper through an 18" OBR. http://i.imgur.com/u8NlOqx.jpg http://i.imgur.com/Cw4rcjE.jpg Other general observations loading for 7.62 gas rifles: -They're tough to get to shoot like a good bolt action. The OBR above has been better than most. Oddly it came with the worst test target I have ever seen from LaRue. Just shows to not put too much faith in test targets. -Many seem to have a much narrower reliable operating range than AR15s, you may have to consider this when doing your workup. Once I start pushing stuff as hard as I would in loads for a bolt rifle if I find a node near the top of the loading range, I start to get bolt over base problems due to the carriers outrunning the magazines. -Slow powders seem to exacerbate the above. Maybe it is the greater gas volume, heavier charge, or slower impulse. For .308, the perfect range for heavy bullets seems to be between 8208 and 4064 or varget. I go much slower and seem to run into more violent operation and some reliability problems. I bet this is part of why the .260 gas tubes are so far out as you are kind of locked in to slower powders in this caliber. -Mine have been generally finickier in what they shoot well than bolt actions. Not sure why this is and it is probably more of a 'YMMV' ETA - My 7.62 tOBR is like a laser. 3-shot with TQ: 
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Okay, I'm back from a few hours at the range and I'm HOT! It was a great day here in the Commonwealth, lows 80's, slight overcast and low winds, but once the sun started to get higher, and me being prone directly in the sun, I was getting toasty and sweaty.
Anyways, to the results, the ladder test for the LaRue 260 was a bust, there wasn't the progression I expected with the differing loads. I ran a ladder with the LaRue and one with the M5 and each showed velocity inconsistencies. I decided to shoot the remaining rounds in the M5 to see if any showed promise while going back to a traditional approach for the gasser. Pictures and descriptions follow and I'll post the MVs once I can collate the data. Some pics of the rifles at the range: 
Some sighters and groups before I started the ladder testing. I did capture MVs and will post later. LaRue 260 with factory Hornady 130 ELD-M, Suppressed with LaRue TQ: 
Larue 260 with factory Hornady 130 ELD-M, Suppressed with LaRue TQ, the flyer is the first shot out of the TQ. The other 4 shots were at a 0.478MOA: 
LaRue 260 with factory Hornady 130 ELD-M, unsuppressed: 
LaRue sighters with factory Hornady 130 ELD-M: 
Here's the LaRue 260 with the handloads in the 10-shot ladder test. Lapua brass, Federal 210Ms, Hornady 130 ELD-Ms and loads from 40.8grs to 42.6grs. I'll post the MVs in a separate post and explain more about the ladder and why it didn't work as expected. Not the rifle's fault BTW. 
M5 10-shot ladder test with the same handloads. Once I got disappointing MVs with the gasser, I decided to see if I could get better results with the M5. I had similar spreads with the M5 so I shot the remaining rounds and will detail that in a later post and once I can capture the MVs. 
M5 with factory Hornady 130 ELD-Ms and suppressed with a SOCOM 7.62RC: 
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Say these on EE if anyone is interested:
Hornady 260 Dies - $30 on EE |
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Range report II.
My intent was to find a velocity node that agreed with the LaRue and that I would tweak from that point. I loaded 50rds using Lapua virgin brass, Federal 201Ms, Hornady 130 ELD-Ms and loaded in 2gr increments using H4350. The theory is you shoot the one round of each grain load to find a node where the velocity flattens, which then could translate to lower SDs which equals better performance at long range. I fired one of each in the LaRue and the MVs showed inconsistencies, I was disappointed so I did the same with the M5; well heck, the same problem with the lack of progression. So then I decided to shoot the remaining three rounds of each grain load in the M5 to see how they shot and to compare the MVs with the ladder test. 
Looking at the spreadsheet tends to indicate there could have been good groupings with loads: 41; 41.6 and 41.8 Let's look at the groups and see what we shot. As a disclaimer, I did not load these with any freebore in mind since I intended to use these in the gasser so I'll have to tweak jump for the M5. Second disclaimer, in moving between weapons I dialed down the Gen II thinking I was returning to zero. I forgot (until I shot a few groups) that the Gen II allows you to go 1MOA below the zero stop. I adjusted at 41.6. 40.8: 
41: 
41.2 
41.4 
41.6 
41.8 
42 
42.2 
42.4 
42.6 
So, 41 isn't bad, 41.6 is a bit better and 41.8 isn't too bad. However, 42.2, which was 2868fps, looks best. I think I'll be working some loads at 42.2gains of H4350 to see what happens. Picture of the Alpha mag with a factory Hornady 130gr ELD-M to show how much COAL remains. 
Everyone at the range was stopping by to discuss the LabRadar. One guy had one of those chronos you fire through so I let him shoot a string to compare the two. He was shooting a 6.5x47 and here's his 5-shot group: 
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NRA Benefactor, Team Ranstad, Tennessee Squire
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Originally Posted By Defender3:
Range report II. My intent was to find a velocity node that agreed with the LaRue and that I would tweak from that point. I loaded 50rds using Lapua virgin brass, Federal 201Ms, Hornady 130 ELD-Ms and loaded in 2gr increments using H4350. The theory is you shoot the one round of each grain load to find a node where the velocity flattens, which then could translate to lower SDs which equals better performance at long range. I fired one of each in the LaRue and the MVs showed inconsistencies, I was disappointed so I did the same with the M5; well heck, the same problem with the lack of progression. So then I decided to shoot the remaining three rounds of each grain load in the M5 to see how they shot and to compare the MVs with the ladder test. https://www.AR15.Com/media/mediaFiles/52736/Laddr-Test-MVs-226908.jpg Looking at the spreadsheet tends to indicate there could have been good groupings with loads: 41; 41.6 and 41.8 Let's look at the groups and see what we shot. As a disclaimer, I did not load these with any freebore in mind since I intended to use these in the gasser so I'll have to tweak jump for the M5. Second disclaimer, in moving between weapons I dialed down the Gen II thinking I was returning to zero. I forgot (until I shot a few groups) that the Gen II allows you to go 1MOA below the zero stop. I adjusted at 41.6. 40.8: https://www.AR15.Com/media/mediaFiles/52736/DSC-0440-226716.jpg 41: https://www.AR15.Com/media/mediaFiles/52736/DSC-0441-226706.jpg 41.2 https://www.AR15.Com/media/mediaFiles/52736/DSC-0442-226707.jpg 41.4 https://www.AR15.Com/media/mediaFiles/52736/DSC-0443-226708.jpg 41.6 https://www.AR15.Com/media/mediaFiles/52736/DSC-0444-226709.jpg 41.8 https://www.AR15.Com/media/mediaFiles/52736/DSC-0445-226710.jpg 42 https://www.AR15.Com/media/mediaFiles/52736/DSC-0446-226711.jpg 42.2 https://www.AR15.Com/media/mediaFiles/52736/DSC-0447-226712.jpg 42.4 https://www.AR15.Com/media/mediaFiles/52736/DSC-0448-226713.jpg 42.6 https://www.AR15.Com/media/mediaFiles/52736/DSC-0449-226714.jpg So, 41 isn't bad, 41.6 is a bit better and 41.8 isn't too bad. However, 42.2, which was 2868fps, looks best. I think I'll be working some loads at 42.2gains of H4350 to see what happens. Picture of the Alpha mag with a factory Hornady 130gr ELD-M to show how much COAL remains. https://www.AR15.Com/media/mediaFiles/52736/DSC-0390-226734.jpg Everyone at the range was stopping by to discuss the LabRadar. One guy had one of those chronos you fire through so I let him shoot a string to compare the two. He was shooting a 6.5x47 and here's his 5-shot group: https://www.AR15.Com/media/mediaFiles/52736/DSC-0450-226715.jpg 
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Carry it, shoot it. (repeat forever)
Hard Livin' Clean Given' Cool Driven. - WWIIWMD
God Bless Texas
"... it's the socialism, stupid." - RL
Keep Calm and Whore On
Hard Livin' Clean Given' Cool Driven. - WWIIWMD
God Bless Texas
"... it's the socialism, stupid." - RL
Keep Calm and Whore On
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Originally Posted By Defender3:
I guess I just don't have it in me... Originally Posted By Defender3:
Originally Posted By Freakinout:
42.2 looks like a nice group... why aren't more of the holes touching each other?
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Carry it, shoot it. (repeat forever)
Hard Livin' Clean Given' Cool Driven. - WWIIWMD
God Bless Texas
"... it's the socialism, stupid." - RL
Keep Calm and Whore On
Hard Livin' Clean Given' Cool Driven. - WWIIWMD
God Bless Texas
"... it's the socialism, stupid." - RL
Keep Calm and Whore On
Official .260 tOBR Thread-Pics/Range/Loads/Updated Thread Index (Page 20 of 188)
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