SOTAR Secret Shopper - Ruger AR556 - Part 3.2/4 - SOLGW & Sprinco Donated Replacement Parts

This guide details the process of diagnosing and repairing an AR-15 that has sustained fire damage. It emphasizes inspecting critical components like springs and headspace, and outlines the steps for replacing compromised parts, specifically focusing on the extractor, ejector, and disconnector springs, to restore functionality. The instruction is delivered with high authority, demonstrating professional-grade gunsmithing skills.

This expert guide details the step-by-step disassembly of the Ruger AR-556 rifle, presented by a Ruger representative. It covers essential safety checks, handguard removal, receiver separation, and detailed breakdown of the bolt carrier group, including the bolt, cam pin, and extractor. The instructions emphasize proper technique for each component.

This video provides a detailed physical inspection and testing procedure for Sons of Liberty Gunworks bolt carrier groups. The instructor demonstrates how to check for proper fit, dimensions, and potential defects using various gauges and visual inspections. Key tests include gas ring functionality, bolt tail and face fit, carrier length, cam pin fit, firing pin protrusion, and extractor clearance, offering insights into ensuring bolt carrier group reliability and performance.

This video details a method for correcting a clocked or canted front sight base on an AR-15 platform rifle, specifically addressing issues found on Ruger AR-556 models. The process involves removing existing pins, using an alignment gauge to position the base correctly, securing it with Loctite 620, and then reaming and fitting oversized taper pins to the newly aligned holes. This guide is for intermediate gunsmithing tasks.

This guide provides expert-level troubleshooting steps for common issues encountered with 300 Blackout FRT (Firearm Research & Technology) setups, drawing on hands-on testing and component analysis. It covers buffer weight, spring selection, ammunition variability, suppressor interaction, and feed ramp polishing, offering practical solutions for achieving reliable function. The instruction emphasizes a methodical approach to diagnosing and correcting malfunctions in direct impingement AR-15 platforms chambered in .300 Blackout.

This video showcases donated "junk pile" AR-15 barrels and upper assemblies from Sons of Liberty Gunworks, highlighting common failure points and wear. The instructor uses these parts for educational purposes, demonstrating issues like port erosion, throat erosion, bent index pins, and off-center gas tube holes. This content is valuable for understanding firearm wear and potential defects.

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.