2013年9月14日 · This post by KL got me thinking on what effect cold temperatures have on the various gas system configurations. This post implies that configurations work acceptably at normal temperatures,but fail at low temps, while others work in both. …

2010年4月13日 · Ok, so I want to build an upper in .204 to use calling coyotes, foxes and cats. I have an idea in my mind of what I want for parts, and what I want the outcome to look like. My problem is this: I want to use the Shilen Match Bull barrel from MidwayUSA, which comes 24" and I'm pretty positive has a rifle-length gas system.

2023年10月17日 · Geissele upper Geissele 10.3 barrel (0.069” port) SLR sentry 7 AGB taper pinned Geissele BCG w/ JP gas ring Geissele MK8 handguard Geissele ABCH SME Help needed; Gas Port Size - Page 4 Help

2013年2月26日 · The rail is a NSR and the upper receiver is a Vltor MUR. The NSR is aligned with the MUR via an acog screw mount to ensure straightness. Notice how, when looking down the barrel, the gas block is canted to the left? I'm still at home recovering from surgery so I can't

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2009年3月3日 · Hey all, I'm putting together a new upper build and need to make a decision on either a steel or aluminum gas block. Which one should I get and why? Both will be low profile and installed on a 16" middy gas or 18" rifle length gas barrel. This is semi-auto as well. Opinions?

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2019年12月21日 · Been looking for a new suppressed charging handle. I’ve seen mixed reviews on the radian raptor SD, Geissee SCH and just came across PRI new ambi gas buster. Gas mitigation is the #1 concern while still keeping it ambi. Anyone have experience?