Sig Sauer 8901313
$899.99
BARREL & GAS BLOCK ASSY, MCX, GAS VALVE, PISTON, 5.56 NATO, 11.5 IN, SPEAR LT
BARREL & GAS BLOCK ASSY, MCX, GAS VALVE, PISTON, 5.56 NATO, 11.5 IN, SPEAR LT