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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Load work up in a ar10, lr308 Re: pressure ladder
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<blockquote data-quote="budlight" data-source="post: 2958473" data-attributes="member: 2939"><p>This is my SS fluted 24 inch 308 with NON threaded 11 degree target crown with rifle +2 inch gas system which allows running full 60K + bolt gun pressures. I can't remember exactly, but I asked for a .076 or .078 gas hole to use NON adjustable gas blocks with light weight buffer tube weights and spring. Pre covid lots more barrel choices.</p><p></p><p>The real key on controling gas gun cycling is to use rifle length or even better + 2 inch because of the massive drop in pressure father down the barrel. I found some online testing in ar15's where carbine length gas holes had something like 30,000 psi, mid length was 22,000, and rifle length was clear down to 14,000 psi. The rifle plus 2 inches was 10,000. This is all dependant on powder burn rates. I use CFE and lever revolution to keep the carbon down.</p><p></p><p>This with my laser illuminator makes for greatest night pig gun for us poor folks that can't buy suppressed with $8000 dollar thermal sights</p><p></p><p>[ATTACH=full]515197[/ATTACH]</p><p>3 pound trigger and 8 X 32 60mm objective. blue tape over my serial number</p><p></p><p>[ATTACH=full]515208[/ATTACH]</p></blockquote><p></p>
[QUOTE="budlight, post: 2958473, member: 2939"] This is my SS fluted 24 inch 308 with NON threaded 11 degree target crown with rifle +2 inch gas system which allows running full 60K + bolt gun pressures. I can't remember exactly, but I asked for a .076 or .078 gas hole to use NON adjustable gas blocks with light weight buffer tube weights and spring. Pre covid lots more barrel choices. The real key on controling gas gun cycling is to use rifle length or even better + 2 inch because of the massive drop in pressure father down the barrel. I found some online testing in ar15's where carbine length gas holes had something like 30,000 psi, mid length was 22,000, and rifle length was clear down to 14,000 psi. The rifle plus 2 inches was 10,000. This is all dependant on powder burn rates. I use CFE and lever revolution to keep the carbon down. This with my laser illuminator makes for greatest night pig gun for us poor folks that can't buy suppressed with $8000 dollar thermal sights [ATTACH type="full" alt="24 inch.jpg"]515197[/ATTACH] 3 pound trigger and 8 X 32 60mm objective. blue tape over my serial number [ATTACH type="full" alt="Laser Illuminator.jpg"]515208[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Load work up in a ar10, lr308 Re: pressure ladder
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