All C3 Defense, Inc. upper and lower receivers are 100% machined from top quality billet aluminum effectively eliminating the dimensional inconsistencies of forging.

» CNC Machined from SOLID BILLET
» Stronger than castings or polymer receivers
» The Heli-coil is not a standard feature at this time. It is only on the enhanced lower
» Many areas reinforced heavier than GI spec
» Tension Screw - Built into Lower Receiver
» Front textured grip
» Flared magazine well
» Satin Black Hard Anodized

Our tension screw effectively eliminates any unwanted "slop" between upper and lower receivers for superior accuracy.

* This product does not come with receiver parts