SHIELD ARMS SA-4

OPEN BOX MODEL. BRAND NEW! NEVER SOLD or SHOT.SA-4 16" Mid-length A2 - 5.56 NATOBuild SpecificationsUpper/Lower: 7075-T6 forged aluminum upper/lowerBarrel: 16" length, 5.56 NATO ChamberMid-length length gas system1:7 RH twist4150 CMVStress relieved after riflingBlack Nitride finishM4 extension.076" gas portBolt Carrier GroupShot peenedMagnetic Particle Inspected9310 5.56/.223 bolt8620 M16 carrierHandguard: Magpul MOE SL Mid-lengthTrigger: Enhanced MilspecSafety: Shield Arms Ambi Safety SelectorG