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Posted: 3/17/2017 11:00:19 AM EST
[Last Edit: bradleyc]
[#1]
Quote HistoryOriginally Posted By pezboytate:
@bradleyc Are you using an A1 or A2 front sight post? Carbine sight radius? Edit: @pezboytate I just learned about tagging users. |
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Posted: 3/17/2017 5:01:05 PM EST
[#2]
Quote HistoryOriginally Posted By pezboytate:
@stagepaint Does this look right? https://www.AR15.Com/media/mediaFiles/138579/200y-ZERO-LEUPOLD-TMR-D-RETICLE-1-166947.JPG |
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Posted: 4/16/2017 7:08:49 PM EST
[#3]
BTT
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Posted: 6/30/2017 10:27:12 AM EST
[#4]
BTT
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Posted: 11/4/2017 2:19:40 PM EST
[#5]
BTT
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Posted: 11/26/2017 10:57:48 AM EST
[#6]
I fixed most all of the links. If you have any requests or see anything that needs updated, let me know.
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Posted: 11/27/2017 11:57:05 AM EST
[#7]
Possible to get a 6.5 grendel 123gr SST @ 2350fps (.510 g1) with a 1-6 ACSS?
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Posted: 11/27/2017 12:34:16 PM EST
[#8]
Quote HistoryOriginally Posted By CastorTroy:
Possible to get a 6.5 grendel 123gr SST @ 2350fps (.510 g1) with a 1-6 ACSS? Is that reticle identical to the ACOG ACSS reticle? If not, could you contact them and find out the subtensions? |
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Posted: 11/27/2017 12:44:50 PM EST
[#9]
Quote HistoryOriginally Posted By pezboytate: @CastorTroy Is that reticle identical to the ACOG ACSS reticle? If not, could you contact them and find out the subtensions? 300=2.85 400=5.95 500=9.6 600=14.15 700=19.65 800=26.25 Thanks!! |
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Posted: 11/29/2017 11:46:47 AM EST
[#10]
@castortroy
Does this look right for bullet drop? I assumed 2.75" height over bore and 500 ft elevation.  Attached FileDoes this look correct for the line thicknesses and color of the reticle?  Attached File |
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Posted: 11/29/2017 12:31:11 PM EST
[#11]
Quote HistoryOriginally Posted By pezboytate:
@castortroy Does this look right for bullet drop? I assumed 2.75" height over bore and 500 ft elevation. https://www.AR15.Com/media/mediaFiles/138579/6-375941.JPG Does this look correct for the line thicknesses and color of the reticle? https://www.AR15.Com/media/mediaFiles/138579/ACSS_1-6-375944.JPG |
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Posted: 11/29/2017 4:09:53 PM EST
[#12]
@castortroy
Here's what I'm seeing. The blue lines are 100 down to 800 yards. If you zero so the center is POI=POA at 100y, you're off by 100y. Even if you zero so the center is POI=POA at 200y, you're still off by 50y. I plugged in M855 from a 14.5" and 16" barrel and it lines up in between those.  Attached FileLet me know what you want to do. |
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Posted: 12/12/2017 3:54:31 PM EST
[Last Edit: MandPdude]
[#13]
@pezboytate
Can you do the Trijicon TA01 reticle (not NSN), out of a 14.5" with XM193? |
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Posted: 12/12/2017 4:32:16 PM EST
[#14]
Quote HistoryOriginally Posted By MandPdude:
@pezboytate Can you do the Trijicon TA01 reticle (not NSN), out of a 14.5" with XM193? Please email Trijicon and get the subtensions for that reticle, I don't have them. Is it mounted on a carry handle or flat top? |
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Posted: 12/12/2017 4:36:53 PM EST
[Last Edit: MandPdude]
[#15]
Quote HistoryOriginally Posted By pezboytate: @MandPdude Please email Trijicon and get the subtensions for that reticle, I don't have them. Is it mounted on a carry handle or flat top? It will be mounted on a flat top, and these are the subtensions my google fu came up with: BDC @ 200 .8 BDC @ 300 3.0 BDC @ 400 6.0 BDC @ 500 9.8 BDC @ 600 14.4 BDC @ 700 20.3 BDC @ 800 27.8 And here's the reticle:  Attached File |
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Posted: 12/13/2017 1:38:07 PM EST
[#16]
Quote HistoryOriginally Posted By MandPdude: @pezboytate It will be mounted on a flat top, and these are the subtensions my google fu came up with: BDC @ 200 .8 BDC @ 300 3.0 BDC @ 400 6.0 BDC @ 500 9.8 BDC @ 600 14.4 BDC @ 700 20.3 BDC @ 800 27.8 And here's the reticle: https://www.AR15.Com/media/mediaFiles/298495/TA01_reticle_popup-389456.JPG Here's what I get for your drops: 100m- 0 MOA 200- 1.4 300- 4.3 400- 8.3 500- 13.5 600- 20.4 700- 29.2 800- 40.2 Perhaps my numbers are off or your subtension numbers are off, please double check everything. The blue is your impacts:  Attached File |
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Posted: 12/14/2017 12:47:23 PM EST
[#17]
@pezboytate
I confirmed those subtensions with Trijicon. What if the zero is set at 50 yards as opposed to 100? |
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Posted: 12/14/2017 3:49:55 PM EST
[Last Edit: pezboytate]
[#18]
Quote HistoryOriginally Posted By MandPdude:
@pezboytate I confirmed those subtensions with Trijicon. What if the zero is set at 50 yards as opposed to 100? Do the calculated drops look reasonable? This is with 300m POI = POA, about the same as 50M POI = 100M stadia POA The dimensions on the right are how far off they are in MOA. At 100M. That's 1.5" at 100m, 5.0" at 200, 4.6" at 400m, and 13.7" at 500.  Attached File |
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Posted: 12/14/2017 4:08:32 PM EST
[Last Edit: MandPdude]
[#19]
For some reason it seems farther off then the calculators that I used (no offense, you know more about this than I do).
Most people have said that with the TA-01 mounted on a flat top (approx 2.7" height over bore) on a 14.5" rifle, zeroed at 50 yards, shooting .55 grain 5.56, matches up with the BDC pretty well out to 600 yards. |
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Posted: 12/14/2017 4:22:03 PM EST
[#20]
Quote HistoryOriginally Posted By MandPdude:
For some reason it seems farther off then the calculators that I used (no offense, you know more about this than I do). Most people have said that with the TA-01 mounted on a flat top (approx 2.7" height over bore) on a 14.5" rifle, zeroed at 50 yards, shooting .55 grain 5.56, matches up with the BDC pretty well out to 600 yards. |
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Posted: 12/14/2017 5:03:01 PM EST
[#21]
Here is what I got from Federals site for XM193:
BC-.246" Muzzle Velocity- 3165 fps |
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Posted: 12/14/2017 8:14:57 PM EST
[#22]
Quote HistoryOriginally Posted By MandPdude:
Here is what I got from Federals site for XM193: BC-.246" Muzzle Velocity- 3165 fps Here's a couple with yards instead of meters. Just keep in mind that this way the ranging is off by 10%. If you range a target at "500" with the reticle, it's at 500 meters/550 yards and you have to aim in between the 500 and 600 lines. 100y POI = POA  Attached File300y POI = POA  Attached File |
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USA
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Posted: 1/27/2018 12:01:34 PM EST
[#23]
Excellent work! Thank you.
If you do another, how about a mil dot reticle? |
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Posted: 4/2/2018 11:25:54 AM EST
[#24]
Bump
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Posted: 5/16/2018 10:58:15 AM EST
[#25]
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Posted: 5/16/2018 11:04:05 AM EST
[Last Edit: TxRabbitBane]
[#26]
OP was a cool guy five years ago and I didn’t know. Apparently he’s still a cool guy today.
Neat post. |
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Posted: 5/16/2018 11:40:45 AM EST
[#27]
Quote HistoryOriginally Posted By TxRabbitBane:
OP was a cool guy five years ago and I didn’t know. Apparently he’s still a cool guy today. Neat post. |
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Posted: 5/27/2018 8:07:25 PM EST
[#28]
Quote HistoryOriginally Posted By CastorTroy:
Possible to get a 6.5 grendel 123gr SST @ 2350fps (.510 g1) with a 1-6 ACSS? 123gr AMAX is .468 as well. Of all the 123gr cup and core target bullets, the 123gr SMK and Scenar have the highest BCs at .522 and .527 respectively. 123gr BTHP Hornady American Gunner is .450 G1/.225 G7. 130gr Berger OTM Federal Gold Medal Match is .564 G1/.290 G7 Litz. 130gr Nosler RDF is .615 G1/.307 G7. |
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Posted: 5/27/2018 8:15:04 PM EST
[#29]
Great thread by the way. Not sure if I recall seeing it before.
Conditions will change everything, but it's still nice to have some references. Here's where I was with a 12" Grendel using the GRSC 1-4x24 out to 800yds. Red dot indicates POI at 6600ft elevation, 75°F. I think I'm zero'd at 150yds after looking at the data when I got home. Will be working more with these scopes. Got the 1-6x Japanese Light Optical Works model in on Wed. Impacts appeared to be dead-on out to 500yds. I shot some close range steel with center holds no problems, even bowling pin sized steel within 200yds. Smack smack Went out to 400yds, impact, impact. 500yds, impact, too easy. 800yds using the 600yd circle, was low, came up, impact, impact, impact, impact, boring. 
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Posted: 5/27/2018 8:58:50 PM EST
[#30]
Quote HistoryOriginally Posted By LRRPF52:
123gr SST BC is really .462 G1. Don't use .510 value. 123gr AMAX is .468 as well. Of all the 123gr cup and core target bullets, the 123gr SMK and Scenar have the highest BCs at .522 and .527 respectively. 123gr BTHP Hornady American Gunner is .450 G1/.225 G7. 130gr Berger OTM Federal Gold Medal Match is .564 G1/.290 G7 Litz. 130gr Nosler RDF is .615 G1/.307 G7. Quote HistoryOriginally Posted By LRRPF52:
Originally Posted By CastorTroy:
Possible to get a 6.5 grendel 123gr SST @ 2350fps (.510 g1) with a 1-6 ACSS? 123gr AMAX is .468 as well. Of all the 123gr cup and core target bullets, the 123gr SMK and Scenar have the highest BCs at .522 and .527 respectively. 123gr BTHP Hornady American Gunner is .450 G1/.225 G7. 130gr Berger OTM Federal Gold Medal Match is .564 G1/.290 G7 Litz. 130gr Nosler RDF is .615 G1/.307 G7. 120 gr. Hornady GMX 140 gr. Hornady ELD-M 142 gr. Sierra MatchKing |
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Posted: 5/27/2018 9:00:49 PM EST
[#31]
Quote HistoryOriginally Posted By LRRPF52:
Great thread by the way. Not sure if I recall seeing it before. Conditions will change everything, but it's still nice to have some references. Here's where I was with a 12" Grendel using the GRSC 1-4x24 out to 800yds. Red dot indicates POI at 6600ft elevation, 75°F. I think I'm zero'd at 150yds after looking at the data when I got home. Will be working more with these scopes. Got the 1-6x Japanese Light Optical Works model in on Wed. Impacts appeared to be dead-on out to 500yds. I shot some close range steel with center holds no problems, even bowling pin sized steel within 200yds. Smack smack Went out to 400yds, impact, impact. 500yds, impact, too easy. 800yds using the 600yd circle, was low, came up, impact, impact, impact, impact, boring. http://i1085.photobucket.com/albums/j422/LRRPF52/3783a115-51d3-475a-bdc6-7ed239d6130d_zps0ulu9abi.jpg |
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Posted: 5/31/2018 2:43:55 PM EST
[#32]
Quote HistoryOriginally Posted By pezboytate:
.307 G7 is crazy. Do you know what the BCs for the below rounds are? 120 gr. Hornady GMX 140 gr. Hornady ELD-M 142 gr. Sierra MatchKing Quote HistoryOriginally Posted By pezboytate:
Originally Posted By LRRPF52:
Originally Posted By CastorTroy:
Possible to get a 6.5 grendel 123gr SST @ 2350fps (.510 g1) with a 1-6 ACSS? 123gr AMAX is .468 as well. Of all the 123gr cup and core target bullets, the 123gr SMK and Scenar have the highest BCs at .522 and .527 respectively. 123gr BTHP Hornady American Gunner is .450 G1/.225 G7. 130gr Berger OTM Federal Gold Medal Match is .564 G1/.290 G7 Litz. 130gr Nosler RDF is .615 G1/.307 G7. 120 gr. Hornady GMX 140 gr. Hornady ELD-M 142 gr. Sierra MatchKing 120gr GMX is .450 G1 (very long bullet, solid construction) 140gr ELD-M .646 G1/.326 G7 142gr SMK .626 @ 2850 fps and above, .611 between 2400 and 2850 fps, .606 between 2050 and 2400 fps, .581 @ 2050 and below |
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Posted: 6/12/2018 9:51:49 PM EST
[Last Edit: MSC182]
[#33]
Any chance of getting one done with the Leupold FireDot Special Purpose reticle? I recently found a new range that has steel targets out at 300 and 400 yards which will be the furthest I’ve ever shot. Great thread by the way and thanks for all the work.
Ammo will be either M193 or M855 with a 100 yard zero @pezboytate |
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Posted: 7/26/2018 6:03:59 PM EST
[#34]
Quote HistoryOriginally Posted By MSC182:
Any chance of getting one done with the Leupold FireDot Special Purpose reticle? I recently found a new range that has steel targets out at 300 and 400 yards which will be the furthest I've ever shot. Great thread by the way and thanks for all the work. https://www.AR15.Com/media/mediaFiles/189957/086149CF-B67B-4A1C-AADA-719196473715-574086.jpg Ammo will be either M193 or M855 with a 100 yard zero @pezboytate |
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Posted: 7/26/2018 6:36:04 PM EST
[#35]
Quote HistoryOriginally Posted By MSC182:
Any chance of getting one done with the Leupold FireDot Special Purpose reticle? I recently found a new range that has steel targets out at 300 and 400 yards which will be the furthest I’ve ever shot. Great thread by the way and thanks for all the work. https://www.AR15.Com/media/mediaFiles/189957/086149CF-B67B-4A1C-AADA-719196473715-574086.jpg Ammo will be either M193 or M855 with a 100 yard zero @pezboytate |
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MN, USA
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Posted: 9/3/2018 8:33:49 AM EST
[Last Edit: JLS81]
[#36]
Quote HistoryOriginally Posted By JimboJones1:
Really is a fantastic thread. Checking it out again as I had it bookmarked. |
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MN, USA
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Posted: 9/4/2018 10:50:54 PM EST
[#37]
Consensus as to best way to zero my REPR 7.62? I have a trijicon accupower 1-8x on it. Will be at the range this weekend. Thanks.
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Posted: 9/26/2018 12:27:43 PM EST
[#38]
I'm going to zero my first 300 BLK (9.5" with iron sights) and am torn on 25, 50, or 100.
With supersonic ammo does anyone know where the crossovers are? My goal will be to keep it as close to POA=POI as possible out to 75-100m max with zero care given for how it falls off afterwards. |
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Posted: 9/26/2018 4:50:34 PM EST
[#39]
Quote HistoryOriginally Posted By 762AR25:
I'm going to zero my first 300 BLK (9.5" with iron sights) and am torn on 25, 50, or 100. With supersonic ammo does anyone know where the crossovers are? My goal will be to keep it as close to POA=POI as possible out to 75-100m max with zero care given for how it falls off afterwards. For what you are looking for, you definitely don't want a 25 zero. 75 and 100 are very similar. They are basically a zero at the top of the arc so everything else will be low. You are going to hit height over bore distance low at the muzzle regardless of your zero distance. With a 50 zero you will hit dead on at 50, .5" high at 75 and 100, and then be back on at maybe 125. If you tell me more about your MV, bullet, sight height, target size... I can give you more. |
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Posted: 9/26/2018 4:55:30 PM EST
[Last Edit: 762SR25]
[#40]
125 grain Hornady SST 2050 FPS
Sight height---running irons at standard height The silhouettes on page 1 would be good, it will be used in a self defense role. I was thinking about just doing 100yd. |
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Posted: 9/26/2018 8:39:43 PM EST
[#41]
Quote HistoryOriginally Posted By 762AR25:
125 grain Hornady SST 2050 FPS Sight height---running irons at standard height The silhouettes on page 1 would be good, it will be used in a self defense role. I was thinking about just doing 100yd. |
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Posted: 9/26/2018 9:20:00 PM EST
[#42]
Quote HistoryOriginally Posted By jblomenberg16:
I don't want to thread jack at all, but based on a similar projectile (125gr Nosler BT) at 2100FPS, using the Point Blank program a 25yd zero gives a crossover again at 100yards with a 1.5" sight offset. I use this on my own 300BLK and it is pretty close. Consider it reference and not replacement for OP's better data. Quote HistoryOriginally Posted By jblomenberg16:
Originally Posted By 762AR25:
125 grain Hornady SST 2050 FPS Sight height---running irons at standard height The silhouettes on page 1 would be good, it will be used in a self defense role. I was thinking about just doing 100yd. This is what I got for 25y zero (guessed altitude at 750ft):  Attached File50y:  Attached File75y:  Attached File100y:  Attached File125y:  Attached File |
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Posted: 9/26/2018 9:22:11 PM EST
[#43]
Didn't even think of altitude. I'm at 2800'
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Posted: 9/26/2018 9:52:10 PM EST
[#44]
Quote HistoryOriginally Posted By 762AR25:
Didn't even think of altitude. I'm at 2800' |
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Posted: 9/26/2018 10:24:55 PM EST
[#45]
thanks.
Looks like 50yd it is....no more than an 1" off out to 100. |
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Posted: 9/26/2018 11:05:58 PM EST
[Last Edit: DT120]
[#46]
Awesome reference. Possible to get one with the TA44 circle dot reticle? Just wondering how the magnification works with different zeros. I dont know if holdovers would be the same for a 1X vs. a 1.5X
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Posted: 9/27/2018 7:49:00 PM EST
[#47]
Quote HistoryOriginally Posted By pezboytate: If your optic is 1.5" over the rail, your line of sight is 2.75" over the bore. This is what I got for 25y zero (guessed altitude at 750ft): https://www.AR15.Com/media/mediaFiles/138579/Screenshot_20180926-221402-684326.JPG 50y: https://www.AR15.Com/media/mediaFiles/138579/Screenshot_20180926-221650-684327.JPG 75y: https://www.AR15.Com/media/mediaFiles/138579/Screenshot_20180926-221741-684329.JPG 100y: https://www.AR15.Com/media/mediaFiles/138579/Screenshot_20180926-221830-684330.JPG 125y: https://www.AR15.Com/media/mediaFiles/138579/Screenshot_20180926-221917-684331.JPG |
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Posted: 11/24/2018 3:35:42 PM EST
[#48]
BTT
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Posted: 11/24/2018 4:14:00 PM EST
[Last Edit: robertmegar]
[#49]
Has anybody done holds for the KISS reticle on 1-6x PA scope? 25-300yds
55gr m193 16" barrel Aero mount height in FL (low elevation). |
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Posted: 12/3/2018 12:35:10 PM EST
[#50]
Quote HistoryOriginally Posted By DT120:
Awesome reference. Possible to get one with the TA44 circle dot reticle? Just wondering how the magnification works with different zeros. I dont know if holdovers would be the same for a 1X vs. a 1.5X Sorry I never replied to this. I don't know the dimensions of that reticle. Hold overs will be the same, the size of the dot and circle will just be different than other reticles. |
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