M4105P/M4105P ELITE OPERATOR
5.56 NATO cal., mid-length gas system, 10 1/2 in. chrome-lined CMV barrel, WPA flash comp, with (Elite Operator) or w/o two-stage trigger, enhanced trigger guard, optional Magpul MBUS flip-up sights, SBA3 adj. pistol brace, 9 1/2 in. MK4 li...