Hi all,
I've been here for years... I'm fooling with the idea of building a non-NFA upper with a 12.5" barrel and a Kaw Valley Precision "XL" linear comp, which is 4.125". Nevermind the NFA issues: I would make sure that it's a full 16" and have it pinned and welded.
My question is whether this is a fool's errand. This seems appealing because I like the idea of a suppressed SBR, but I live in California and it's impossible. (Trolls: Spare me the anti-California rants.)
So, I can get a linear comp, and KVP's new "XL" is huge and should at least direct much of the blast/flash away from me, in the SHTF event that I need to fire the gun indoors.
Alternatively, I could do a 14.5" barrel with a regular linear comp pinned and welded, but it seems like the bigger linear comp would do better directing blast forward, and the 2" of barrel length doesn't seem like enough to matter in terms of muzzle velocity (maybe 150fps?).
Please advise...


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