Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out of the box. This is evident in their complete milspec lower. Featuring their Rebellious Stripes lower, 9 Position Loyal 9 A5 Receiver Extension, A5H2 Buffer with Sprinco Green Spring, Quick Detach endplate with staked Forward Controls Design castle nut, LFT Trigger, Milspec Safety, B5 Grip, enhanced aluminum trigger guard, SOPMOD Bravo Stock.