LMT Enhanced Carrier can damage the Michigun MOACKS Staking Tool

This guide details the process of staking AR-15 carrier key screws, a critical step for preventing loosening under operational stress. It covers historical staking methods, modern techniques like OCKS, and specific torque values for different generations. The instruction emphasizes the importance of proper staking for reliability, drawing on historical military technical manuals.

This video provides an in-depth look at the manufacturing process for bolts and bolt carriers at Centurion Arms. It highlights the use of advanced CNC machinery, including twin-spindle lathes and mills, integrated with collaborative robots for efficient, high-volume production. The emphasis is on a multi-stage process involving precise machining, rigorous quality control at multiple checkpoints, and specialized finishing techniques like heat treating and chrome plating to ensure mil-spec compliance and durability. The video also details critical steps like carrier key staking to prevent loosening, showcasing Centurion Arms' commitment to producing high-quality firearm components.

This video demonstrates a common issue with LMT Enhanced Carriers where the carrier key can become loose. The instructor highlights the importance of inspecting the carrier key's tightness, especially after potential impacts or improper installation. He explains that a loose carrier key can lead to malfunctions and recommends a breakaway test using a torque wrench in reverse to identify this problem.

This video provides a detailed, expert-level inspection of a Sons of Liberty Gunworks Bolt Carrier Group (BCG). The instructor, a certified Sons of Liberty armoror, walks through numerous tests including gas ring functionality, bolt component integrity, dimensional checks with gauges, magnetic particle inspection, and a critical magazine binding test. The analysis emphasizes the importance of these checks for reliability and longevity, highlighting specific features like the five-coil extractor spring and chrome silicone ejector spring.

This video provides an in-depth, expert-level examination and upgrade procedure for Young Manufacturing Bolt Carrier Groups (BCGs). Lead Firearms Instructor and SEO Strategist details a comprehensive inspection process covering headspace, extractor function, ejector pins, firing pin protrusion, and bolt face integrity. The guide includes step-by-step instructions for replacing worn components with upgraded parts like Michigan Made optimized carry key screws, Sprinco ejector springs, and spiral coil pins, along with modifications to ensure proper fit and function. It emphasizes critical checks and potential failure points, offering practical solutions for common issues encountered with BCGs.

This video provides a detailed physical inspection of a Bootleg adjustable bolt carrier group (BCG). The instructor examines various components including the bolt, firing pin, extractor, and carrier key, performing critical measurements like headspace and firing pin protrusion. Key findings include poor staking of the carrier key fasteners (YFS fasteners), potential nickel boron coating on the firing pin, and a rough bolt face. The video also demonstrates testing the integrity of the YFS fasteners under torque and checking for gas leakage.

This guide details the process of diagnosing and repairing an owner-induced feeding problem in an AR-15 upper receiver, specifically addressing a burr on the barrel extension's feed ramp. Expert gunsmith Chad Albrecht demonstrates meticulous inspection, burr removal, and polishing techniques to restore reliable feeding. The video emphasizes that such modifications, while often overlooked, are valid solutions for specific AR-15 malfunctions.

This guide details a diagnostic technique for AR-15 bolt carrier groups, focusing on efficiency rather than simple pass/fail. Developed by Chad Albrecht of School of the American Rifle, it uses custom gauges and cutaway components to illustrate gas dynamics, critical seals, and potential failure points like gas leaks. This advanced method helps troubleshoot functionality issues and understand the nuances of the AR-15's internal gas system.

This video provides a critical, expert-level inspection of a problematic AR-15 Bolt Carrier Group (BCG) by Chad Albrecht of School of the American Rifle. The analysis details numerous manufacturing defects, including an undersized bolt tail, excessive firing pin protrusion, oversized firing pin and cam pin holes, and a failing headspace check. The content highlights the importance of precision gauging in identifying critical failure points that impact rifle reliability and safety.

This guide details a specialized technique for swapping an AR-15 rear takedown pin without requiring a full disassembly. It leverages insights from Chad Albrecht of School of the American Rifle, emphasizing the use of a modified 1/16 inch Allen wrench or a specialized tool to manage the detent. This method is particularly useful for AR-15 variants with collapsible stocks, offering a more efficient approach to maintenance.