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.
The U.S. Arms Builders set allows for better performance out of your AR-15 that’s custom to your preferences. With easy component replacement, creating one of the most accurate firearms is simple and secure. This builders set is also great for the first-time AR owner looking to get a better understanding of their firearm or for the seasoned enthusiast looking to add another custom AR-15 to the arsenal.
The U.S. Arms AR-15 upper and lower receiver set found in this builders set makes for the best custom AR-15. This weapon system was created to have a unique aesthetic, while giving the shooter the highest level of confidence and flawless performance in gun competitions, sport shooting, and defense for years to come.
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