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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Magnum AR Project
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<blockquote data-quote="Masczek" data-source="post: 2811421" data-attributes="member: 100797"><p>Update:</p><p></p><p>I've hit a snag after testing a new 300 WSM barrel this weekend. I believe the gun is still over gassed and the gas port in the barrel is too large, but I'd like some input on this theory.</p><p></p><p>I have a SLR adjustable gas block installed with a +2 rifle length gas tube, I'll adjust it until I can get the rifle to eject (there is no bolt stop, I'm still developing this). The bolt will come out of battery slightly with the empty case still in the chamber. I'll open the gas block one more click and the brass might eject at the 1:30-2:00 position. If the empty case doesn't eject it's stove piped. The brass has a very slightly raised rim where the extractor claw grabs the case rim (dwell time too short). I have a carbine Griffin Armament +15% extra power spring along with a 5.5oz buffer. </p><p></p><p>My theory is the gas port in the barrel is probably too large, it measures at .115 in diameter. With the port that size, I think I cross a very fine line when I open the gas block one click. Maybe a gas block that has a finer adjustment might help? Possibly a heavier buffer may help too, but I want to try and restrict the gas more. I think if I have a barrel with a gas port around .075 it may solve the problem.</p><p></p><p>Thoughts?</p></blockquote><p></p>
[QUOTE="Masczek, post: 2811421, member: 100797"] Update: I've hit a snag after testing a new 300 WSM barrel this weekend. I believe the gun is still over gassed and the gas port in the barrel is too large, but I'd like some input on this theory. I have a SLR adjustable gas block installed with a +2 rifle length gas tube, I'll adjust it until I can get the rifle to eject (there is no bolt stop, I'm still developing this). The bolt will come out of battery slightly with the empty case still in the chamber. I'll open the gas block one more click and the brass might eject at the 1:30-2:00 position. If the empty case doesn't eject it's stove piped. The brass has a very slightly raised rim where the extractor claw grabs the case rim (dwell time too short). I have a carbine Griffin Armament +15% extra power spring along with a 5.5oz buffer. My theory is the gas port in the barrel is probably too large, it measures at .115 in diameter. With the port that size, I think I cross a very fine line when I open the gas block one click. Maybe a gas block that has a finer adjustment might help? Possibly a heavier buffer may help too, but I want to try and restrict the gas more. I think if I have a barrel with a gas port around .075 it may solve the problem. Thoughts? [/QUOTE]
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Rifles, Reloading, Optics, Equipment
AR15/10 Rifles
Magnum AR Project
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