https://m4carbine.net/t/sr15-mod1-upper-with-urx-3-1-hand-guard-no-barrel-bcg-or-ch/235705
SR15 Mod1 upper with URX 3.1 Hand guard (no barrel, bcg, or ch) - AR Rail Systems & Accessories...
Jan 20, 2014 - This is a take off from my SR15 Mod 1. I have roughly 1000 rounds fired, with about 200 suppressed, and so there are some nicks and scratches. I have...
rail systems accessoriesupperurxhandguard