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Originally Posted By DuneShoot:
1243.5 yards! Took about 10 rounds and (finally) using the right rifle profile in the Ballistic Arc app to get on target. Was SUPER helpful to have a spotter and a 'splash zone' to be able to see the missed shots. Used factory ammo this time. https://i.imgur.com/ti4PULY.jpg View from the target: https://i.imgur.com/ImX3y2A.jpg https://i.imgur.com/svsSD2T.jpg My hits on bottom target: https://i.imgur.com/rWHhatp.jpg View Quote Too bad Quantico R4 wasn't open today, it was clear, hot and not a hint of wind; that would have made for some nice range time. |
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Originally Posted By Defender3:
I'm going to dupe Dune but I want to highlight the new LaRue .260 barrel release that also includes, wait for it...LaRue ammo! Special thanks to Mark for linking to this thread in the e-mail and on his site - thanks Mark! @LaRue_Tactical ETA - I can't find the link on the site for separate ammo orders, hint, hint! https://www.AR15.Com/media/mediaFiles/52736/tOBT_260_barrels-592608.jpg View Quote |
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Originally Posted By Defender3: It looks like you were shooting uphill? We're you using the ELD-Ms? Couldn't agree more about having a spotter and a splash zone. When I shoot at Quantico, you can put clays on the impact berm and see if your DOPE is still on, next best thing to a spotter. Too bad Quantico R4 wasn't open today, it was clear, hot and not a hint of wind; that would have made for some nice range time. View Quote And yes ELDM's. They've got a mile lane out there. |
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Originally Posted By Defender3:
I'm going to dupe Dune but I want to highlight the new LaRue .260 barrel release that also includes, wait for it...LaRue ammo! Special thanks to Mark for linking to this thread in the e-mail and on his site - thanks Mark! @LaRue_Tactical ETA - I can't find the link on the site for separate ammo orders, hint, hint! https://www.AR15.Com/media/mediaFiles/52736/tOBT_260_barrels-592608.jpg View Quote Anyone else shot both barrels in same rifle? If so what were your thoughts? |
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Originally Posted By DuneShoot:
Whats up with that gas block? Anyone else shot both barrels in same rifle? If so what were your thoughts? View Quote I have the 6.5C with the regular gas block, that I put on my LaRue 7.62, and it shoots fine both suppressed and unsuppressed. |
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Originally Posted By Defender3:
Darn men, we're also about to hit 100,000 views! ETA - We were 500 away from 100,000 and I go to feed the dog and now we're almost 100 over! The power of LaRue! View Quote |
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I have been asked to point out that I am LaRue Tactical's owner.
My work has been used by tens of thousands of US Military personnel, and tens of thousands of civilian shooters - ML |
Originally Posted By LaRue_Tactical: Tip o' my hat to you ... There's a mountain of good info in this thread . View Quote |
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Originally Posted By AR10Brian: I don’t know about “serious shooting”, but I did make time to shoot mine the other day. Shooting in the rain opened up my groups to around 1/2 inch. https://www.ar15.com/media/mediaFiles/60910/20180701_094652-593694.jpg Not bad for factory ammo. Handloads look more like this : https://www.ar15.com/media/mediaFiles/60910/20170620-204500-257400.jpg This is my first 260 and it has quickly become one of my favorite rifles I’ve ever owned. I bought the barrel last year as part of the FDE Heavy offer just to try, but it’s now configured in a UU kit as a dedicated 260 rifle. If you want to get into shooting 260 and have a large frame LaRue, I wouldn’t hesitate on this barrel offer. Or just get a UU kit. That’s a great deal too. View Quote |
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D3 !!!
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Carry it, shoot it. (repeat forever)
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Originally Posted By Defender3: Nice shooting! What seating depth were you using for the AR Hybrids or were you using OAL? View Quote |
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Originally Posted By AR10Brian: Thanks sir. Using OAL. Now that I’ve finally taken one of my LaRue mags out of the wrapper, I may play around with seating depth. They are nice, expensive mags that I didn’t want to beat up since I already had magpuls. That was dumb, because they’re too good not to use. View Quote |
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Originally Posted By AR10Brian: 2.81 Just eyeballing it, looks like you could go to about 2.90 and still maintain maximum contact between neck of the case and meat of the bullet o the hybrid. That is a very un scientific guess. View Quote I'll have to do some quick measuring, but 2.81 could have that bullet into the lands, which normally could be an issue, but clearly not from your shooting. |
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OD opens groups, FDE tightens 'em.
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Originally Posted By Defender3:
Clearest logic I've heard all day... View Quote View All Quotes View All Quotes Originally Posted By Defender3:
Originally Posted By DuneShoot:
OD opens groups, FDE tightens 'em. Attached File |
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Originally Posted By FRBaseball:
No, the ammo was factory fresh, literally since Prime is in LV, and it had been sitting in the shade. View Quote View All Quotes View All Quotes Originally Posted By FRBaseball:
Originally Posted By icecold1: Were they sitting in the sun or in a range bag? I ask because I've got a case thru mine and no issues at all like that,just a little primer cratering and I typically shoot in a gravel pit in 90 degree weather.i don't let my stuff lay in the sun so that may account for some discrepancy but so far so good on my end with the prime. I'd call larue since they sent prime with the gun and see what they have to say. Pete I have a LaRue factory tobr 22” and can shoot either suppressed or not to try and match your results. I also have a 18” barrel I could try if that is what you were running,but I have not used it yet so don’t have any idea what it runs like. It will be no problem getting the temp to 82 this next week. My boss wants to shoot in his gravel pit next Saturday Pete |
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Originally Posted By Defender3: Thanks. I'll have to do some quick measuring, but 2.81 could have that bullet into the lands, which normally could be an issue, but clearly not from your shooting. View Quote |
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Maybe this is serious shooting.
Finally had a chance to attend the Accuracy 1st Long Range 1 class near Austin this weekend. Took my Larue Ultimate Upper Kit .260 Rem and Tikka TAC1 (.260 Rem also) to class. The class was great and intense. Final part of class was at the range at Austin Gun Club. The range had four 1000 yard lanes and a 2000 yard lane. Trued the muzzle velocity and then ranged and shot steel targets out to 1622 meters (1773 yards). Made two hits on the1622 meter target Took 26.2 mils of elevation. Used Hornady 130g ELD-M. Winds were tricky with 15 mph at 5 to 7 o’clock. Friend brought his Larue UU .308 18in and hit the 1622 meter target (took 34.0 mils) using GMM 175g. Two other Larue 7.62 OBRs in class Sorry for the poor quality iPhone pics. Five Lanes at range - second from the left is 2000 yards. . Attached File 1622 meter Target (circled) Attached File Our Larues (and Tikka). Attached File Yes the Mothership does exist. Attached File |
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Originally Posted By JohnLWare:
Originally Posted By Defender3:
Originally Posted By DuneShoot:
OD opens groups, FDE tightens 'em. View Quote View Quote https://www.AR15.Com/media/mediaFiles/284972/3A75A1BA-3C75-4B9B-843D-F8416FA21BE9-593981.JPG View Quote Another change I may make is to raise my optic by using a higher mount. I have my Vortex 4.5-27x50 in a Spuhr that I think is 1”, I may take it to 1.25 or even 1.5 to get a better position behind the rifle. Oh, nice yard BTW, looks like you have golf course grass. Originally Posted By icecold1:
Originally Posted By FRBaseball:
Originally Posted By icecold1: Were they sitting in the sun or in a range bag? I ask because I've got a case thru mine and no issues at all like that,just a little primer cratering and I typically shoot in a gravel pit in 90 degree weather.i don't let my stuff lay in the sun so that may account for some discrepancy but so far so good on my end with the prime. I'd call larue since they sent prime with the gun and see what they have to say. Pete View Quote View Quote I have a LaRue factory tobr 22” and can shoot either suppressed or not to try and match your results. I also have a 18” barrel I could try if that is what you were running,but I have not used it yet so don’t have any idea what it runs like. It will be no problem getting the temp to 82 this next week. My boss wants to shoot in his gravel pit next Saturday Pete View Quote I also had FR’s issues with the FGGM I was shooting in the LaRue. It was April and a 92 (or so) degree day and I had the ammo in the sun. It was popping primers from the pressure increases caused by the heat, which probably had the rounds at 125 degrees or hotter. I think my range report and pics of the primers are back on page 10. Originally Posted By AR10Brian:
Originally Posted By Defender3: Thanks. I'll have to do some quick measuring, but 2.81 could have that bullet into the lands, which normally could be an issue, but clearly not from your shooting. View Quote View Quote Originally Posted By whitesys:
Maybe this is serious shooting. Finally had a chance to attend the Accuracy 1st Long Range 1 class near Austin this weekend. Took my Larue Ultimate Upper Kit .260 Rem and Tikka TAC1 (.260 Rem also) to class. The class was great and intense. Final part of class was at the range at Austin Gun Club. The range had four 1000 yard lanes and a 2000 yard lane. Trued the muzzle velocity and then ranged and shot steel targets out to 1622 meters (1773 yards). Made two hits on the1622 meter target Took 26.2 mils of elevation. Used Hornady 130g ELD-M. Winds were tricky with 15 mph at 5 to 7 o’clock. Friend brought his Larue UU .308 18in and hit the 1622 meter target (took 34.0 mils) using GMM 175g. Two other Larue 7.62 OBRs in class Sorry for the poor quality iPhone pics. Five Lanes at range - second from the left is 2000 yards. .https://www.AR15.Com/media/mediaFiles/63578/B908E755-1B5C-4BD8-9B5B-C3C2580B52DF-594146.JPG 1622 meter Target (circled) https://www.AR15.Com/media/mediaFiles/63578/E7BE0BF1-40F6-43E6-AADC-CCC794A8B877-594150.JPG Our Larues (and Tikka). https://www.AR15.Com/media/mediaFiles/63578/1E0DD349-DE93-4C86-A33D-79FB36405763-594170.JPG Yes the Mothership does exist. https://www.AR15.Com/media/mediaFiles/63578/B68A6646-661E-4989-81EF-A57D02CB37BC-594178.JPG View Quote You may remember we tried to put together a November class for the folks in the thread but we just couldn’t get the stars to align. Good to see you were able to attend and thanks for the “serious” range report! |
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@whitesys excellent shooting, thanks for sharing!
As for Prime I tried it and it shot good, had some primer flow. We all know it's temp sensitive and even worse in a semi auto with a round sitting in a hot chamber. It bet it heats up pretty fast while in there. |
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Originally Posted By DuneShoot:
@whitesys excellent shooting, thanks for sharing! As for Prime I tried it and it shot good, had some primer flow. We all know it's temp sensitive and even worse in a semi auto with a round sitting in a hot chamber. It bet it heats up pretty fast while in there. View Quote I have seen defenders issues early in the thread but have yet to see it in my gun. I'd just like to see if I have the same lot and try it too see if mine blows primers too,if so I'd better hope mark gets a 260 bolt on the market.as like I said I must have 9 cases of prime cause it shoots like a laser. Pete |
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Originally Posted By icecold1: I too have some primer flow,but have yet to pop a primer or even see signs of primers getting loose.typically most of my long range shooting is in a gravel pit in the dead of summer.sometimes pulling ammo from range bags that have been in the car. I have seen defenders issues early in the thread but have yet to see it in my gun. I'd just like to see if I have the same lot and try it too see if mine blows primers too,if so I'd better hope mark gets a 260 bolt on the market.as like I said I must have 9 cases of prime cause it shoots like a laser. Pete View Quote |
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Originally Posted By Defender3:
In case you're not aware, the Lab Radar folks finally released the Bluetooth update for the unit. You can now upgrade the firmware and download an App that allows you to control the unit from your phone while capturing shots and strings, also to your phone. This is a great update since you can arm and disarm the unit from your phone instead of having to break position to hit the button on the unit. View Quote |
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Originally Posted By Defender3:
I think your post now makes you the current thread winner, 1622 meter shots! You may remember we tried to put together a November class for the folks in the thread but we just couldn’t get the stars to align. Good to see you were able to attend and thanks for the “serious” range report! View Quote Now catching up with many postponed projects and trips. I had never shot beyond 200 yards and last weekend I was making 400-700 meter first round hits. Beyond 800 meters, it took a several rounds before one would connect with the target due to the varying wind. The big variable was a 15mph gusting tail wind that was oscillating between 5 and 7 o'clock. The elevations were mostly right on (when I remembered to check the cant) but the winds were causing a large horizonal group. Luckily the targets were laid out such that you could see impacts in the dirt. Seriously considering taking the Accuracy 1st LR2/Advanced 3 day class after my experience last weekend. The LR2/Advanced class covers reading and controlling for wind among other topics. Also - FWIW - My trued MV for the .260 Rem 130g ELD-M at 98 Degs was 2861 fps. However the Trued MV corrects for both the chronographed MV and BC Errors so actual MV may have been less. I chronographed the lot of ammo at 2783 fps at 95 Degs a week before. Was also using a custom drag curve on the Kestrel which helped past 1000 yards and into the transonic and subsonic ranges. |
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Originally Posted By whitesys: Yes I wanted to do the class last November but was unable to take any time off because I was taking care of my wife who was on home hospice most of last year. Now catching up with many postponed projects and trips. I had never shot beyond 200 yards and last weekend I was making 400-700 meter first round hits. Beyond 800 meters, it took a several rounds before one would connect with the target due to the varying wind. The big variable was a 15mph gusting tail wind that was oscillating between 5 and 7 o'clock. The elevations were mostly right on (when I remembered to check the cant) but the winds were causing a large horizonal group. Luckily the targets were laid out such that you could see impacts in the dirt. Seriously considering taking the Accuracy 1st LR2/Advanced 3 day class after my experience last weekend. The LR2/Advanced class covers reading and controlling for wind among other topics. Also - FWIW - My trued MV for the .260 Rem 130g ELD-M at 98 Degs was 2861 fps. However the Trued MV corrects for both the chronographed MV and BC Errors so actual MV may have been less. I chronographed the lot of ammo at 2783 fps at 95 Degs a week before. Was also using a custom drag curve on the Kestrel which helped past 1000 yards and into the transonic and subsonic ranges. View Quote Chrono'd Factory 130 ELDM at around 2800 and trued at 2896. |
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Originally Posted By whitesys:
Yes I wanted to do the class last November but was unable to take any time off because I was taking care of my wife who was on home hospice most of last year. Now catching up with many postponed projects and trips. I had never shot beyond 200 yards and last weekend I was making 400-700 meter first round hits. Beyond 800 meters, it took a several rounds before one would connect with the target due to the varying wind. The big variable was a 15mph gusting tail wind that was oscillating between 5 and 7 o'clock. The elevations were mostly right on (when I remembered to check the cant) but the winds were causing a large horizonal group. Luckily the targets were laid out such that you could see impacts in the dirt. Seriously considering taking the Accuracy 1st LR2/Advanced 3 day class after my experience last weekend. The LR2/Advanced class covers reading and controlling for wind among other topics. Also - FWIW - My trued MV for the .260 Rem 130g ELD-M at 98 Degs was 2861 fps. However the Trued MV corrects for both the chronographed MV and BC Errors so actual MV may have been less. I chronographed the lot of ammo at 2783 fps at 95 Degs a week before. Was also using a custom drag curve on the Kestrel which helped past 1000 yards and into the transonic and subsonic ranges. View Quote View All Quotes View All Quotes Originally Posted By whitesys:
Originally Posted By Defender3:
I think your post now makes you the current thread winner, 1622 meter shots! You may remember we tried to put together a November class for the folks in the thread but we just couldn’t get the stars to align. Good to see you were able to attend and thanks for the “serious” range report! Now catching up with many postponed projects and trips. I had never shot beyond 200 yards and last weekend I was making 400-700 meter first round hits. Beyond 800 meters, it took a several rounds before one would connect with the target due to the varying wind. The big variable was a 15mph gusting tail wind that was oscillating between 5 and 7 o'clock. The elevations were mostly right on (when I remembered to check the cant) but the winds were causing a large horizonal group. Luckily the targets were laid out such that you could see impacts in the dirt. Seriously considering taking the Accuracy 1st LR2/Advanced 3 day class after my experience last weekend. The LR2/Advanced class covers reading and controlling for wind among other topics. Also - FWIW - My trued MV for the .260 Rem 130g ELD-M at 98 Degs was 2861 fps. However the Trued MV corrects for both the chronographed MV and BC Errors so actual MV may have been less. I chronographed the lot of ammo at 2783 fps at 95 Degs a week before. Was also using a custom drag curve on the Kestrel which helped past 1000 yards and into the transonic and subsonic ranges. Seriously though, I agree with you, making hits to 500-600 seem easy,almost routine. Once you break that 600 barrier it takes good technique and DOPE for repeatability. As much as I despise the wind, it helps in making you a better shooter. Nice report and I wish we could have pulled that class off, it would have been fun for all. |
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Originally Posted By icecold1: I just picked up 5 cases on their last sale,could you post or pm me the lot number and I’ll see what a box of mine from the same lot(if I have it)look like running thru mine? I have a LaRue factory tobr 22” and can shoot either suppressed or not to try and match your results. I also have a 18” barrel I could try if that is what you were running,but I have not used it yet so don’t have any idea what it runs like. It will be no problem getting the temp to 82 this next week. My boss wants to shoot in his gravel pit next Saturday Pete View Quote |
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Larue .260 Barrel for my PTOBR Barrel is en-route. Does anyone know the specs on the included ammo? Brass/Powder/Primer/Bullet? While I'm asking, can anyone tell me makes Berger Ammunition's brass?
Excited, and thanks for listening, Mark! |
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Originally Posted By MRAD:
Larue .260 Barrel for my PTOBR Barrel is en-route. Does anyone know the specs on the included ammo? Brass/Powder/Primer/Bullet? While I'm asking, can anyone tell me makes Berger Ammunition's brass? Excited, and thanks for listening, Mark! View Quote The ammo is made by McCourt for LaRue, from LaRue's site: "McCourt .260 Rem 130 Gr. Norm. We are happy to announce a line of ammunition developed specifically for our rifles to deliver incredible accuracy and consistency. Optimized for use in the PredatOBR with TranQuilo Suppressor attached, it is loaded with Norma brass, CCI BR2 Primers and 130 Gr. Norma BTHP bullets. Average velocity from a 22" barrel is 2800 fps. Powder type and charge were chosen for the best accuracy with as much velocity as possible." I can't prove it, but I think ABM is using Norma brass. |
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D3-
Looks like the longer rounds were faster. And your suppressed groups look better except one unsuppressed. Did you try any without the thread protector? |
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Originally Posted By DuneShoot:
D3- Looks like the longer rounds were faster. And your suppressed groups look better except one unsuppressed. Did you try any without the thread protector? View Quote Suppressed groups are tighter, which got me to thinking about harmonics. I wonder if hanging that hunk of engineering tunes the barrel a tad? As I've always said, leave the overthinking to me. |
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Or it's those damn white Larue paper targets!
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Originally Posted By Defender3: First things first, I upgraded the range tool kit with a spare LaRue large frame bolt, this is one of the “older” models with the less beefy ejector. I was disappointed with the LabRadar results, I’ve never had such extremes with the Hornady. I wonder, since I was shooting prone if there may have been some dist/dirt or even gasses being picked up and skewing the results. An extreme spread of 95fps is just not normal with this ammo. View Quote My experience with Hornady Match (6.5CM, though) regularly has ES in the 50s. I assume the same or similar powders are being used. That's why I only have ever shot it when I ran out of time to reload (or once when one of my dies went down). BTW, someone promised me an invite to become a TN squire a long time ago, but never followed through . . . In retaliation, I requested to my friends in the current administration that we make Bourbon a subject category in the upcoming/ongoing Trade War with China. (too soon?) |
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Originally Posted By MRAD:
What's the background on the "less beefy ejector" vs the, I guess, "more beefy ejector"? My experience with Hornady Match (6.5CM, though) regularly has ES in the 50s. I assume the same or similar powders are being used. That's why I only have ever shot it when I ran out of time to reload (or once when one of my dies went down). BTW, someone promised me an invite to become a TN squire a long time ago, but never followed through . . . In retaliation, I requested to my friends in the current administration that we make Bourbon a subject category in the upcoming/ongoing Trade War with China. (too soon?) View Quote View All Quotes View All Quotes Originally Posted By MRAD:
Originally Posted By Defender3: First things first, I upgraded the range tool kit with a spare LaRue large frame bolt, this is one of the “older” models with the less beefy ejector. I was disappointed with the LabRadar results, I’ve never had such extremes with the Hornady. I wonder, since I was shooting prone if there may have been some dist/dirt or even gasses being picked up and skewing the results. An extreme spread of 95fps is just not normal with this ammo. My experience with Hornady Match (6.5CM, though) regularly has ES in the 50s. I assume the same or similar powders are being used. That's why I only have ever shot it when I ran out of time to reload (or once when one of my dies went down). BTW, someone promised me an invite to become a TN squire a long time ago, but never followed through . . . In retaliation, I requested to my friends in the current administration that we make Bourbon a subject category in the upcoming/ongoing Trade War with China. (too soon?) The "less beefy" ejector is a normal round profile that was later updated to an elliptical design. |
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Originally Posted By AR10Brian:
“Optimized for PredatOBR with TranQuilo” Convenient, since it’s exactly how I intend to shoot it. Probably still be a couple days, but I’m looking forward to trying it out. https://www.ar15.com/media/mediaFiles/60910/CD2DCA5E-F0F0-41EC-9526-A72D6EE520EA-599406.jpg https://www.ar15.com/media/mediaFiles/60910/631C8CF8-746D-4BE9-8B25-25F97D0D4C70-599407.jpg View Quote Can you do any measurements of the ammo? Any headstamps indicating who made the brass? |
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Originally Posted By Defender3: Nice! I almost ordered just to get a couple of boxes of that ammo! Can you do any measurements of the ammo? Any headstamps indicating who made the brass? View Quote That’s heel to crown, as its currently the only way I have of measuring. I know, I need to get the bullet comparators and such for load development as I’ll propaply try some different things when I get back to having more shooting time. Norma brass and bullets. |
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Originally Posted By AR10Brian:
2.815, 2.815, 2.815, 2.812, 2.812, 2.816, 2.816, 2.815, 2.816, 2.816 That’s heel to crown, as its currently the only way I have of measuring. I know, I need to get the bullet comparators and such for load development as I’ll propaply try some different things when I get back to having more shooting time. Norma brass and bullets. View Quote View All Quotes View All Quotes Originally Posted By AR10Brian:
Originally Posted By Defender3: Nice! I almost ordered just to get a couple of boxes of that ammo! Can you do any measurements of the ammo? Any headstamps indicating who made the brass? That’s heel to crown, as its currently the only way I have of measuring. I know, I need to get the bullet comparators and such for load development as I’ll propaply try some different things when I get back to having more shooting time. Norma brass and bullets. |
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Thread protector will go through a few heat cycles, then it should stay put. Always has the potential to come loose, obviously, and it will be less likely after some shooting. But in the few thousand rounds I shot during testing I saw no issues with accuracy. Had three or four leo shooting them on different rifle configs.
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Originally Posted By Defender3: The 2nd to last group was without the protector, it was another 5 of the 2.1800. Suppressed groups are tighter, which got me to thinking about harmonics. I wonder if hanging that hunk of engineering tunes the barrel a tad? As I've always said, leave the overthinking to me. View Quote |
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