USAC CAM LOCK BUILDERS SET ALPINE
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USAC CAM LOCK BUILDERS SET ALPINE
The U.S. Arms Company M4 Builder Set is manufactured to ISO-9001 standards to ensure the highest quality control and materials. This AR-15 receiver kit includes:
- Stripped U.S. Arms Cam-Lock lower receiver
- Stripped U.S. Arms standard upper receiver
- 15 inch hand guard with top Picatinny rail and M-LOK mounting system
- Trigger guard
- U.S. Arms M-905 Talon Muzzle Brake
The Cam-Lock Builder Set can be configured with a black anodize or a multitude of Cerakote options for the hand guard, trigger guard and receiver set. This receiver set comes with our patented “Cam Lock” lower receiver so that you get the tightest receiver fit on the market, which gives us the confidence to claim that we are “Home of the World’s Tightest Receivers”. The Cam Lock lower receiver will also fit any mil-spec upper assembly.