Machined out of 7075 Billet aluminum and designed to match their newly released Upper Receiver, The Smuggler is their exciting first step into Lower receivers. Weighing in at 9.85 ounces and MIL-SPEC Hard Anodized this lower receiver will stand the test of rigorous training while looking great for years to come. The top priority of any build is functionality and durability; however, they were not going to leave out the creature comforts that make a good lower into a great one. Ambidextrous bolt release knob and parts for installation allow for easy bolt drop with either hand. Hex head adjustable set screw ensures custom tight fit of the rear lug on any mil-spec upper receiver. Hex headed threaded pins allow for much safer and easier installation and maintenance of both bolt release knobs. Lastly The Smuggler comes with a hex set screw to contain the rear detent spring, no more juggling spring and back plate on install! The Smuggler utilizes a fully enclosed trigger guard, lightly flared mag well and is ready to accept any Mil-Spec lower parts kit that fits your unique needs.