Videos tagged with Gas Ring Run

This video provides an in-depth physical inspection and gauging of five Colt Bolt Carrier Groups (BCGs) from various date ranges, including M16A1 kits, a Colt H-Bar Sporter, and a Colt Commando. The instructor meticulously examines each BCG for wear, corrosion, and dimensional accuracy using a variety of tools and gauges. The analysis covers critical components like the gas key, bolt tail, extractor, and firing pin, offering insights into the manufacturing tolerances and longevity of Colt BCGs across different generations.

This video provides a detailed physical inspection of two Salient Arms International Bolt Carrier Groups (BCGs). The instructor, with clear expertise in firearm components, meticulously gauges and examines various aspects of the BCGs, including headspace, extractor fit, gas key dimensions, firing pin protrusion, and internal finish. Several issues are identified, such as oversized gas keys, potential extractor problems, a failed firing pin hole gauge, and significant internal machining marks, highlighting potential quality control concerns with these specific units.