Videos tagged with HPT Tested

This video provides an expert overview of the Palmetto State Armory (PSA) Guardsman-15, highlighting its key upgrades and features. An official brand representative details the benefits of the free-floated handguard, ambidextrous safety, upgraded flat-faced trigger, and Magpul furniture. The comprehensive look at the Bolt Carrier Group (BCG) includes its rigorous testing protocols (MPI and HPT) and specific component enhancements like Sprinco gas rings.

This guide details a comprehensive physical inspection of a new Geissele REBCG, focusing on quality control and tolerances. Expert insights cover coating, component fit, critical measurements like firing pin protrusion and carrier length, and gas key staking. The process emphasizes meticulous examination using specialized tools to ensure optimal performance and reliability, reflecting the speaker's master-level knowledge of AR-15 mechanics.

This guide, presented by Mrgunsngear, details AR-15 barrel selection based on material and manufacturing processes. It covers the benefits of 4150 steel (Mil Spec), stainless steel for accuracy, and Cold Hammer Forged (CHF) barrels for durability. Essential quality control (MPI, HPT) and surface treatments like chrome lining and nitriding are also discussed, offering expert recommendations for various shooting applications.

This video reviews the Wheaton Arms M16 Bolt Carrier Group (BCG), emphasizing its importance as a critical component for AR-15 and M16 platforms. The reviewer highlights that BCGs and barrels are the most vital parts, justifying investment in quality. The Wheaton Arms BCGs are presented as high-quality, US-made options available in phosphate ($119.99) and nickel boron ($160) finishes, suitable for 5.56, .223, and .300 Blackout calibers. Key features include Carpenter 158 steel bolts, 8620 steel carriers, chrome-lined interiors, hardened gas keys, and HPT/MPI testing.