Videos tagged with Headspace testing

This video provides a detailed evaluation of a Black River Tactical (BRT) Optimum 14.5-inch Cold Hammer Forged Chrome Lined barrel. The reviewer conducts a thorough inspection, including borescope analysis, dimensional checks, and headspace testing. Shooting tests with various ammunition types reveal significant issues with chrome flaking and inconsistent accuracy, leading to a negative assessment of this specific barrel's quality and durability. The reviewer also details the extensive process of attempting to resolve the issue with BRT, highlighting poor customer service.

This video provides an in-depth, long-term review of the PSA Krink chambered in 5.56, exceeding 2500 rounds. The presenter, Mark, details his personal experience, noting zero failures to feed, fire, or eject after a chamber polish addressed initial steel case ammunition issues. He meticulously examines internal wear on components like the bolt, carrier, and hammer, offering insights into expected wear patterns and potential concerns for PSA's 5.56 and 5.45 AK platforms.

This video details the extensive testing of a Palmetto State Armory AK-103, including a 4,000-round endurance test and a significant drop test on Ozark rocks. The rifle demonstrated zero malfunctions during the endurance test and, despite visible cosmetic damage from the drops, remained fully functional. Internal components showed minimal wear, and headspace was confirmed to be within spec.

This video provides an in-depth, expert-level review of the improved Zastava ZPAP M70 rifle, conducted by Rob Ski of AK Operators Union. The review details a rigorous 'Sand Tornado' test, where the rifle fired 86 rounds with sand poured directly into the action, setting a new channel record. After 4,000 rounds, the rifle demonstrated exceptional reliability with only one malfunction during the extreme test, showcasing its robust gas system and shootability. Detailed inspections of internal components, trunnion, and headspace confirmed 'textbook aging' and excellent condition, solidifying the ZPAP M70's status as a top-tier performer.

This comprehensive guide details the autopsy of an Anderson Manufacturing 16-inch carbine barrel, performed by a professional firearms instructor. It covers critical inspection points including headspace, throat depth, muzzle erosion, chamber mapping, alignment, gas port size, and internal condition via borescope. The analysis highlights potential manufacturing defects and their impact on firearm function.

This guide details a technique for testing the headspace of an AK-pattern rifle after rapid firing, as demonstrated by an expert instructor from Military Arms Channel. The process involves performing initial cold headspace checks with go and no-go gauges, followed by rapid firing to heat the weapon. The crucial step is re-testing with a no-go gauge while the firearm is hot to determine if heat expansion affects chamber dimensions enough to compromise safety. The expert emphasizes that proper firearm maintenance and immediate attention to any failed headspace test are critical for safe operation.

This expert analysis by Rob Ski of AK Operators Union provides a critical look at the Riley Defense AK47, focusing on mechanical wear and reliability. The review details issues with bolt carrier deformation, headspace failures, and magazine fitment, highlighting the rifle's 'mix-match' component nature. It serves as a cautionary review for potential buyers and an in-depth technical assessment for AK enthusiasts.