Videos tagged with Milspec Standards

This video details various methods for attaching AR-15 gas blocks and front sight bases (FSBs), emphasizing the superior durability and reliability of the military-standard drilling and pinning method using taper pins. It contrasts this with clamp-on and set screw designs, highlighting their advantages for home builders and hobbyists but also their potential for migration and failure in demanding conditions. The instructor stresses that for critical applications, drilling and pinning is the only acceptable method, while other methods require careful installation and mitigation techniques like dimpling and Loctite.

This video provides a detailed physical inspection of a Geissele Super Duty AR-15 lower receiver, demonstrating how to use various gauges and tools to check critical dimensions and tolerances. The inspection covers the magazine well, receiver extension threads, lug wells, selector detent, pin holes, and sidewall consistency. It also includes a test for upper receiver fitment, highlighting the importance of precise manufacturing for optimal firearm function.