GGP HEAVY .308 MKII
.308 Win. cal., GIO, 16 in. barrel, mid-length gas system, Superlative Arms adj. gas block, GGP muzzle brake, 20 LR/SR Gen M3 Magpul PMAG, Timney AR-15 competition SST, Magpul SL-S adj. stock, 15 in. extended MKII handguard, Magpul MOE pist...