Videos tagged with Headspace Gauging

This video details the extreme durability testing of the BRN-4 rifle after it experienced a simulated internal explosion. The rifle, despite significant internal stress, continued to function flawlessly, maintaining its zero and cycling reliably through extended firing sequences. The speaker, a seasoned firearms instructor, emphasizes the rifle's robust construction and the importance of proper headspace gauging in high-quality firearms.

This video provides a detailed review of the LMT 14.5" Piston Barrel assembly. The content goes beyond a simple inspection, detailing a six-month evaluation that involved multiple barrels, warranty claims, and issues like chrome flaking. The reviewer performs thorough inspections including throat erosion, headspace gauging, and borescope footage of the chamber and rifling. Shooting data from 30-shot groups with three different ammunition types is presented. The video also covers the manufacturer's warranty experience.

This expert-level analysis by Preston Moore thoroughly tests a new 14.5-inch Colt SOCOM AR-15 barrel. The review details technical specifications, physical inspections including borescope analysis and gauging, and extensive range testing with 30-shot groups across multiple ammunition types. The data provides valuable insights into the barrel's real-world performance and accuracy potential.

This expert-level analysis by Preston Moore rigorously tests two Daniel Defense 16-inch cold hammer forged lightweight AR-15 barrels. Through detailed bench measurements, borescope inspections, and 30-shot group range testing with various ammunition, the video assesses barrel consistency and accuracy. The findings highlight Daniel Defense's commitment to quality manufacturing, with minor variations observed between samples, particularly in accuracy with different loads.

This video details the precise process of chambering a rifle barrel, emphasizing the critical role of a match dimension reamer and exact throat dimensions for accuracy. It highlights the necessity of centering the barrel bore to within 0.0001 inches on the machine and the importance of controlling headspace with gauges for safety and consistency. The process concludes with polishing and a borescope inspection to ensure a high-quality finish.