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AR15.COM
10/19/2019 10:41:59 AM EDT
Was just reading about how a muzzle device can change the harmonics and characteristics of a barrel, and thus the accuracy.  I have a 16" Gunner in my Aero Precision build with a LaRue MBT trigger and an A2 style flash hider.  Even with 69 and 77 grain OTBT ammo from Privi and Australian Outback, the best I'm getting is 3-4" groups at 100 yards.  I'm using a bench rest and it's a free floating handguard (Aero M4E1 advanced).  Groups with Wolf Gold and American Eagle open up to about 4-5".  I'll be the first to admit it could very well be the shooter, but really thought I would be doing better with this set up.  Would a different muzzle device have a positive effect on characteristics and accuracy, and if so, what style makes the most sense?
10/20/2019 5:06:54 PM EDT
[#1]
What optics you running? I would start there and try another known to work optic and bake sure mounting is gtg

Also have a known decent shooter give it a go

Could be muzzle device, have seen it before, but not most likely cause.

Could just be a bad barrel as well. Have you bore scoped it?

Sometimes with nitride barrels they can take 100-200 rounds to settle in. If you only have a few rounds, give it some time
10/20/2019 10:05:00 PM EDT
[#2]
Scope is a Bushnell 1-4X 24mm mounted with a Burris PEPR QD.  I'll double check to make sure everything is tight and hit the range again next weekend.
10/21/2019 2:31:17 PM EDT
[#3]
You could also just shoot it without the muzzle device.

That optic isnt teh best for shooting groups at 100 yards, so if you have another scope with higher mag range maybe throw that on just until you figure things out.

Just a couple ideas

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