![[SHOT 2021] USAC AR-15 Lower Receiver with Built-in Receiver Tensioning System](https://spentbrass.us/wp-content/uploads/2021/01/shot-2021-usac-ar-15-lower-receiver-with-built-in-receiver-tensioning-system.jpg)
![[SHOT 2020] USAC AR-15 Lower Receiver with Built-in Receiver Tensioning System (1)](https://www.thefirearmblog.com/blog/wp-content/uploads/2021/01/SHOT-2020-USAC-AR-15-Lower-Receiver-with-Built-in-Receiver-Tensioning-System-1-180x180.jpg)
In the new products section of the SHOT Show On Demand, the virtual version of the world’s largest arms exhibition, I came across this rather interesting AR-15 lower receiver made by the U.S. Arms Company (USAC). What makes the USAC M-4 CLS UTAW lower receiver unique is the built-in mechanism that allows applying tension and tightening the upper […]
The post [SHOT 2021] USAC AR-15 Lower Receiver with Built-in Receiver Tensioning System appeared first on The Firearm Blog.
