BIG BEAST
.308 Win./7.62 NATO cal., AR-10 rifle, GIO, 18 or 20 (disc. 2021) in. free floating barrel, Melonite bore, barrel extension, Magpul 20 shot mag., adj. (18 in. barrel) or fixed (20 in. barrel, disc. 2021) stock, carbine length gas system, lo...