Wilson Combat with Bad/Rough Chamber (See Description)

This video highlights the Brownells UV bore lights, emphasizing their utility in inspecting firearm barrels for cleanliness and wear. The description provides a direct link for viewers to learn more, suggesting a focus on product features and practical application within firearm maintenance.

This guide details the comprehensive inspection and testing process for an AR-15 barrel, as demonstrated by Preston Moore. It covers essential bench inspections using specialized gauges and micrometers, followed by detailed borescope analysis of the bore and chamber. The guide emphasizes a rigorous 30-shot group testing methodology to evaluate accuracy under simulated match conditions, utilizing proprietary metrics like the A-ZED score for objective benchmarking. This approach provides high-confidence data for discerning barrel performance.

This guide details the step-by-step process for assembling an AR-10 upper and lower receiver, drawing on expert instruction from Randy at AT3 Tactical. It covers essential tools, torque specifications for barrel nut installation (65 ft-lbs for Aero Precision M5), and practical tips for managing small parts during lower receiver assembly. The guide highlights AR-10 specific components like the dust cover and notes unique assembly features of the Aero M5 lower receiver.

This guide details the process of assessing and restoring a fire-damaged Palmetto State Armory PA-15 AR-15. It covers initial cleaning, inspection of critical components like the bolt carrier group and springs, replacement of damaged parts, and methods for addressing barrel corrosion using specialized tools and chemicals. The instruction emphasizes a methodical approach to salvaging the firearm, highlighting the importance of component integrity and proper material treatment.

This YouTube video showcases Teslong's affordable borescopes at SHOT Show 2022. The video focuses on the features and options available for these inspection tools, highlighting their utility for examining firearm barrels and other internal components. While no firearms are demonstrated or sold, the context of the product (bore inspection) makes it relevant to firearm owners and gunsmiths.

This comprehensive guide details an in-depth autopsy of an AR-15 upper receiver and a SOLGW Scalper Bolt Carrier Group (BCG) to diagnose potential corrosion issues. The process involves detailed visual inspection, borescoping the barrel, and extensive gauging of BCG components. Key findings include worn gas rings, minor pitting on the bolt face, and potential light corrosion in the barrel's rifling, likely stemming from ammunition or environmental factors. The guide emphasizes thorough cleaning and inspection to ensure firearm reliability and longevity.

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.