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Posted: 7/7/2019 12:34:22 PM EDT
[#1]
acog ballistic reticles designed for 16" barrels don't match velocities out of sbr or short pistol barrels.
thus on my MK18 pistol i use an acog with a no-tick standard crosshair reticle, so have to guess hold-over. with it i can regularly hit plates to 300-400yds. at 500 hold-over becomes too much guesswork. one could use a mil-dot or TMR-type reticle scope and build a range card for different "ticks" at given yardage. that might help, but i find that the velocity loss from 11.5" barrels create too much drop to make those longer shots really viable. |
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Posted: 7/7/2019 12:39:22 PM EDT
[#2]
Barrel length affects velocity, that's all.
You can push it until you run out of adjustment. A 10.3" barrel will still offer optimal terminal performance to just over 300yards with Fed Fusion, and still poke holes in stuff past that. ETA: I guess if you really, really wanted to have some imaginary boundry, then whatever distance the round becomes subsonic could be such an imaginary boundry. |
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Posted: 7/7/2019 7:54:49 PM EDT
[#3]
I limit my 10.3 to 200yds.
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Posted: 7/7/2019 8:26:17 PM EDT
[#4]
I have taken my 14.5 out to 600 after that the wind is your bitch(actually from 500-600 it starts getting pretty tough but I can still keep it on the plate most of the time) . so with a 10.5 I would say you would start getting your ass handed to you a few hundred yards sooner. running 5.56 pressure 77's or the like will give you alot of help, but that help only goes so far.
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Posted: 7/8/2019 10:17:55 PM EDT
[#5]
I've taken my 12" 6.5 Grendel out to 800yds regularly, with 9/10 hit probability with some of the lowest BC factory ammo available.
For 5.56, it depends on your twist rate and what bullet you shoot, but it's hard to see/hear much of a register on steel targets past a certain range if there is any wind above about 5mph. 11" 6.5 Grendel has more energy at the muzzle than a 20" 5.56 NATO, with twice the projectile weight and way higher BC. It's very fun to shoot at distance. |
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Posted: 7/8/2019 10:26:51 PM EDT
[#6]
you can hit with regularity at 100 yards
with a 9mm Dan Wesson Specialist |
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Posted: 7/8/2019 10:30:53 PM EDT
[#7]
4th of july weekend I shot a larue 10.5 out to 950yds. I guess it depends on what you want to hit.
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Posted: 7/9/2019 12:48:00 AM EDT
[#8]
Quote HistoryQuoted:
4th of july weekend I shot a larue 10.5 out to 950yds. I guess it depends on what you want to hit. If 5.56 I raise the BS Flag 
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Posted: 7/9/2019 11:11:10 AM EDT
[#9]
I only shoot my 8.5" 5.56 pistol out to 100 yards. I have no reason to shoot it further. I have shot my 11" 7.62x3 pistol out to 200 yards. I got 7" groups using steel cased wolf ammo and a vortex red dot. I have certainly satisfied.
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Posted: 7/9/2019 11:19:24 AM EDT
[#10]
My 9-inch 300 BO with a 3X Vortex Prism scope will shoot about 2MOA at 100 yards with my sub-sonic reloads. I can ring a 10-inch gong at 200 yard at will with the same ammo.
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Posted: 7/9/2019 10:32:09 PM EDT
[#11]
I've shot my 11.5 out to 500. Had about 50% hit rate using m193. Good enough for me.
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Posted: 7/10/2019 1:15:23 PM EDT
[#12]
My 11.5" Rosco Bloodline barrel is accurate out to 300 yards. 100 yards I can easily get 1-1.5 MOA. Mk262 Mod 1.
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Posted: 7/10/2019 7:40:05 PM EDT
[#13]
Quote HistoryQuoted:
My 9-inch 300 BO with a 3X Vortex Prism scope will shoot about 2MOA at 100 yards with my sub-sonic reloads. I can ring a 10-inch gong at 200 yard at will with the same ammo. |
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Posted: 7/10/2019 7:55:39 PM EDT
[#14]
I can get hits out to 400 yards with my 10.3" MK18 and 10.5" LMT MRP Pistols when equipped with my Nightforce NX8 and using good ammo (if I do my part).
My 12.5" Grendel pistol will do about double that with the same optic.
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Posted: 7/11/2019 10:36:28 AM EDT
[#15]
About 30 yards....or however long the local indoor range is.
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Posted: 7/12/2019 10:32:40 PM EDT
[#16]
my 10.5 can hit 800+
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Posted: 7/14/2019 12:09:15 PM EDT
[#17]
Quoted:
I've heard of people pushing MK18 builds out to 600 yards and more but that's bannnas. With an ACOG or a ACSS reticle how far would or could you push a 11.5 pistol? Unless we are discussing terminal wound channels on a water buffalo, we can all enjoy shooting out to 600 to ring steel with barrels as short as 10.3 |
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Posted: 7/15/2019 8:16:49 PM EDT
[#18]
I'm in the hills. About 150 max, usually 75 and under.
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