Moderator: MudBug
Bmt85 wrote:So I have a factory 16" upper and have no complaints so far. But I really want to build one, because I'm 6'4" and prefer 18-20" barrels, and I want a longer than a carbine gas length. I've been watching for Franklin armory to get there 20" rifle gas barrels back, but it's been almost a year. I think I narrowed it down to tromix or gryphon. However, I have a concern with tromix. They only run a light weight profile, which is great, but the barrel diameter is only .785 after the chamber. So roughly .167" thickness of metal from I.d. to o.d., which does not give me a good feeling, especially because I reload and plan on leaning it. So am I overthinking it, or should I be concerned?
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