Part 2 - Replacement Harbor Freight ICON - Professional Compact Torque Wrench - PASSED

This video tests the bulletproof capabilities of a 36-inch Pittsburgh pipe wrench from Harbor Freight. While it withstands handgun calibers like .22 LR, .380 Auto, and 9mm, as well as the 7.62x39 rifle round, it is penetrated by .223/5.56 rounds in its thinner handle section. The host concludes the wrench is bulletproof up to .223 caliber.

This video showcases a Windsor Design 8-drawer tool chest from Harbor Freight as an effective EDC organization solution. It highlights how to store primary and secondary carry firearms like the HK P30SK and Ruger LCP, along with knives, flashlights, multi-tools, and essential accessories. The chest's lockable, felt-lined compartments and removable dividers offer secure and customizable storage for everyday essentials.

This video details the diagnosis and repair of a feeding issue on a Sons of Liberty Gun Works East India upper receiver. The root cause was identified as a sharp burr on the barrel extension's feed ramp, causing rounds to jam. The solution involved polishing the feed ramps and adding a secondary bevel, replicating Colt's design, which successfully resolved the malfunction.

This video demonstrates the internal mechanics of an AR-15 bolt carrier group using cutaway models. It highlights the importance of internal bore dimensions for gas system efficiency and explains how to diagnose potential issues like gas leaks. The demonstration covers the cycle of operation, critical seals, and common manufacturing defects, offering advanced insights for AR-15 maintenance and troubleshooting.

This video provides a detailed autopsy of a faulty AR-15 Bolt Carrier Group (BCG). The analysis reveals critical manufacturing defects including an undersized bolt tail failing gauges, excessive firing pin protrusion causing pierced primers, an oversized firing pin hole, and an oversized cam pin hole leading to headspace issues. These flaws significantly compromise the BCG's function and reliability.

This video demonstrates a specialized technique for swapping an AR-15 rear takedown pin without full firearm disassembly. It highlights the use of a custom-fabricated tool, often made from a 1/16 inch Allen wrench, to depress the detent. The method allows for efficient pin replacement, particularly useful on rifles with staked castle nuts, by leveraging the old pin to guide the new one into place.