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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
AR10 barrels
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<blockquote data-quote="Buster Hemlock" data-source="post: 1662597" data-attributes="member: 109327"><p>Seems like you should have found something with as much as you have tried. Have you actually adjusted your gas block? I run a SLR on mine, which is front adjustable, and from having it fully opened to run in to where it no longer cycles properly and then back out two more clicks I see about 90 FPS gained. If your way over gassed you may be losing some speed and also having other issues, not saying you are just something to consider/eliminate. I'd stay away from Superperformance in the gas guns, I talked to hornady and hodgdon when it first came out and they said it's got a slower burn rate and longer pressure curve that wouldn't be best suited for gas guns. My AR10 with 20" Proof barrel likes the 140 Sierra MKs and Berger 135 Classics loaded with H4350.</p></blockquote><p></p>
[QUOTE="Buster Hemlock, post: 1662597, member: 109327"] Seems like you should have found something with as much as you have tried. Have you actually adjusted your gas block? I run a SLR on mine, which is front adjustable, and from having it fully opened to run in to where it no longer cycles properly and then back out two more clicks I see about 90 FPS gained. If your way over gassed you may be losing some speed and also having other issues, not saying you are just something to consider/eliminate. I'd stay away from Superperformance in the gas guns, I talked to hornady and hodgdon when it first came out and they said it's got a slower burn rate and longer pressure curve that wouldn't be best suited for gas guns. My AR10 with 20" Proof barrel likes the 140 Sierra MKs and Berger 135 Classics loaded with H4350. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
AR10 barrels
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