RF 12.7X42/.458 SOCOM PISTOL WITH FHR RAIL
12.7x42mm or .458 SOCOM cal., GIO, stainless pistol or carbine length gas system, 10 1/2 in. HBAR Melonite treated CM barrel, Panzer muzzle brake, with or w/o SIG SB15 arm brace, MFT EPG16V2 grip, RF .936 gas block (12.7x42) or low profile ...