Videos tagged with MPI Inspected

This video provides an in-depth look at the Sons of Liberty Gunworks (SOLGW) Bolt Carrier Group (BCG). The presenter highlights SOLGW's commitment to quality control and their use of premium materials, including Carpenter 158 steel for the bolt and 8620 steel for the carrier. The BCG is noted for being shot peened, high-pressure tested, and magnetic particle inspected, with certificates provided. The phosphate version features a chrome-lined interior, adhering to mil-spec standards. The aggressive staking on the carrier is also praised for its durability. The video also touches on SOLGW's manufacturing philosophy, emphasizing individual responsibility and meticulous part selection for each build.

This video provides a detailed physical inspection of a Modern Armory Phosphate BCG. The instructor meticulously examines the materials, finish, staking, and individual components like the bolt, firing pin, and extractor. Key checks include magnetism, firing pin protrusion, headspace, and internal bore dimensions using specialized gauges and a borescope, offering insights into the manufacturing quality and potential performance characteristics of the BCG.

This video provides a detailed review of the Bear Creek Arsenal 7.62x39mm AR upper. The presenter highlights the unique black and stainless spiral fluted barrel, discussing its aesthetic appeal and functional benefits like weight reduction and improved cooling. The review covers the handguard's features, the bolt carrier group's quality and MPI inspection, and presents accuracy testing results with various ammunition types, concluding that the upper offers good value and performance for its price point.