Videos tagged with Carrier Key

This video from School of the American Rifle highlights critical manufacturing defects in AR-15 bolt carrier keys, specifically focusing on rough internal bores. Lead instructor demonstrates how a poorly finished carrier key can cause significant friction, premature wear on components like gas tubes, and operational issues, contrasting a problematic new Colt carrier with a well-functioning older model. The expert emphasizes the importance of a smooth bore for reliable function and longevity of expensive parts.

This guide, presented by School of the American Rifle, details how to identify and replace a malformed weld spring in an AR-15 Delta Ring assembly. A misaligned weld spring can cause the gas tube to be pushed off-center, leading to excessive friction or damage to the carrier key and gas tube. Replacing the faulty component ensures proper gas tube alignment and firearm reliability.

This guide details the evolution of AR-15 carrier key staking from early 'Gen 1' square staking to modern 'Gen 5' OCKS with serrated heads. It emphasizes proper torque values (vintage 35-40 in-lbs, modern 55-58 in-lbs) and the importance of sufficient metal displacement for screw security. The video, presented by an expert from School of the American Rifle, critiques commercial staking and references historical technical manuals.

This guide details how to inspect AR-15 Bolt Carrier Groups (BCGs) for critical manufacturing defects, specifically focusing on peening marks and burrs on the carrier rails. Instruction from School of the American Rifle highlights how these imperfections, often resulting from attempts to correct loose carrier key pockets, can cause significant damage to the aluminum upper receiver. Proper inspection is crucial for ensuring BCG longevity and firearm reliability.

This video focuses on a specific component within the AR-15 platform: the Brownells Retro Bolt Carrier Group (BCG). The title explicitly mentions 'Carrier Key Corrosion,' indicating the video will likely delve into an inspection or analysis of potential issues with this part. Given the brand and product name, the content is expected to be technical and possibly address reliability or maintenance concerns related to the AR-15 BCG, particularly its retro-style variant.

This video focuses on the AR-15 platform, specifically detailing the function and importance of "carrier keys." The title "The Good, the Bad, & the Ugly" suggests an evaluative approach, likely covering proper function, potential issues, and perhaps modifications or common problems associated with AR-15 carrier keys. This content is technical and aimed at AR-15 owners and enthusiasts interested in the internal workings of their rifle.

This video focuses on the LMT Enhanced Carrier and a loose carrier key, implying a discussion about AR-15 platform components and potential issues. The content likely delves into the mechanics, functionality, or troubleshooting related to this specific firearm part. It's aimed at individuals interested in AR-15 customization, maintenance, or performance.

This video focuses on the Rock River Arms Bolt Carrier and Carrier Key. While the specific application or context of these parts isn't detailed in the description, the title indicates a review, analysis, or showcase of these specific firearm components from a particular manufacturer.

This video addresses an issue with under-torqued carrier key screws on an LMT (Lewis Machine & Tool) firearm. The repair involves replacing the carrier key and its screws, indicating a focus on internal firearm maintenance and troubleshooting. The description implies a customer-requested service, suggesting practical, hands-on gunsmithing or repair work.

This video analyzes a batch of Del-Ton carrier keys, revealing a concerning 66% failure rate during gauging. The analysis suggests that the failing keys lack chrome lining, while the passing ones exhibit it. The creator has contacted Del-Ton, who have agreed to take back the defective parts and issue refunds upon receipt, providing a return label.

This video introduces the SOTAR BCG 3 Bore & Gas System Gauge Set, a specialized toolset for AR-15 bolt carrier groups. The description details the included gauges, emphasizing their role in ensuring proper fit and function of BCG components. It also provides information on availability, backorder procedures, and mentions complementary tools and components that need to be acquired separately for a comprehensive BCG check, such as bore scopes, torque wrenches, and headspace gauges. The video aims to inform potential buyers about the contents and limitations of the gauge set.

This video details the autopsy and repair of a Black Rain Ordnance SPEC15 AR-15, focusing on addressing an over-gassed system. Key upgrades include a BRT EZTUNE gas tube, Sprinco buffer spring and extractor/ejector springs, and a JP titanium firing pin. The process involves meticulous reassembly with specific torque values and the use of Loctite 620 for barrel bedding, resulting in a properly tuned gas system.