Videos tagged with Component Fitment

This guide provides nine essential tips for building an AR-15, presented by CJ from AT3 Tactical. It covers crucial steps like dry-fitting components, proper roll pin installation, gas block alignment using the spaghetti method, managing small parts with Ziploc bags, adhering to torque specifications, smart lubrication techniques, trigger installation, using a soft-faced hammer, and maintaining a clean workspace. The advice aims to make the AR building process smoother and faster.

This video demonstrates a critical quality control check for AR-15 carrier keys, specifically highlighting issues with Del-Ton components. The instructor shows how to use a Go gauge or a gas tube to verify proper fitment, revealing that a significant percentage of tested carrier keys failed to meet specifications. This inspection is vital for ensuring reliable firearm function.

This expert guide from the School of the American Rifle details how to address M4 feed ramp issues caused by tolerance stacking. The video demonstrates how misaligned ramps, even on high-quality parts, can cause feeding failures. It provides a clear, step-by-step process for recontouring barrel extension ramps to ensure reliable feeding, emphasizing the need for careful gunsmithing.

Chad from School of the American Rifle explains the extensive use of gauges in his AR-15 training. He emphasizes that gauging removes guesswork, ensuring proper function and safety by verifying component tolerances and gas system efficiency. This approach blends gunsmithing expertise with armorer knowledge to address the complexities of the civilian AR-15 market, where part variations are significant.