RF 5.56 PISTOL WITH RPR RAIL
5.56 NATO cal., GIO, pistol or carbine (disc. 2021, 10.5 in.) length gas system, 7.5 or 10.5 in. Melonite treated CM barrel, forged Mil-Std receivers, pistol buffer tube assembly or SB Tactical SBA3 brace, M4 feed ramps, 7 or 10 in. RPR Thi...