Never Buy a Cheap AR 15...If You Can’t Do These 10 Things

This guide details the inspection process for a Zastava M70 AB2 surplus rifle, focusing on external wear, internal components, and critical safety checks like headspace gauging. It highlights potential modifications from blank firing use and emphasizes consulting experts like Jim Fuller for safety assessments. The process involves visual inspection, manual round seating for stability assessment, and precise headspace checks using Go/No-Go gauges, crucial for ensuring safe live-fire operation.

This video provides an in-depth physical inspection of two Young Manufacturing Bolt Carrier Groups (BCGs), one standard and one National Match. The instructor, from the School of the American Rifle, meticulously examines various components, including the carrier, bolt, firing pin protrusion, cam pin, extractors, and gas key alignment. Several potential issues are identified, such as short firing pin protrusion on one bolt and gas key alignment problems on the standard carrier, highlighting the importance of detailed inspection for optimal firearm function.

This guide details the critical process of checking headspace on an AR-15 build, a vital step for ensuring firearm safety and reliability. Professional gunsmith Dale Heckstrom from Little Crow Gunworks demonstrates the disassembly of the bolt carrier group, the precise use of 'Go' and 'No-Go' gauges, and the reassembly process. Proper headspace ensures the firearm operates within safe mechanical tolerances, preventing potential malfunctions or dangerous failures due to factory defects or mismatched components.

This comprehensive inspection of multiple Smith & Wesson M&P 15 Sport II rifles reveals a range of manufacturing and assembly issues. The video details checks for bolt lock, magazine release function, magazine well dimensions, selector engagement, forward assist operation, muzzle device alignment, receiver extension alignment, rail screw torque, takedown pin bores, gas block screw torque, barrel extension alignment, buffer spring length and compression, gas port alignment, headspace, trigger pull weight, castle nut torque, and carrier key alignment. Several firearms exhibited problems including sticky magazine releases, tight magazine wells, misaligned muzzle devices, clocked receiver extensions, undertorqued rail screws, loose gas block screws, short buffer springs, and loose castle nuts.

This video provides a detailed, step-by-step guide to building a lightweight precision bolt-action rifle, focusing on the Aero Precision Solus LT action and MDT Hunt 26 chassis. It covers critical assembly procedures such as barrel installation, trigger mounting, headspace checks, scope mounting, and chassis bedding, emphasizing proper torque values and techniques for optimal performance and safety. The build highlights the use of high-quality components for a custom, lightweight precision rifle.

This video provides an in-depth, expert-level inspection of Ruger AR556 bolt carrier groups. It details checks for carrier key screw staking, gas ring seal, internal surface finish of the carrier and bolt tail, firing pin protrusion and binding, cam pin fit, extractor spring security, and bolt face dimensions. The analysis also covers carrier key alignment, bolt magnetism, and critical headspace checks using both 223 Wylde and 5.56 NATO GO gauges, highlighting numerous potential issues found in the tested components.

This guide details 10 common mistakes to avoid when building an AR-15, drawing on the expertise of the Tactical Toolbox host. It emphasizes planning, selecting quality critical components like barrels and BCGs, and using the correct tools for assembly. Key takeaways include avoiding overspending on lowers, prioritizing function over aesthetics, and ensuring proper barrel installation with torque and headspace checks.

This guide provides a comprehensive approach to selecting your first handgun, emphasizing purpose, type, size, caliber, and ergonomics. It highlights the importance of testing firearms at a range before purchase and offers top recommendations for new owners. Instruction is delivered with practical, experience-driven insights.

This video provides a comprehensive guide to essential AR-15 upgrades under $100, focusing on improving reliability, ergonomics, and performance. Key recommendations include indexing the cam pin, upgrading to better bolts or extractor kits, installing drop-in triggers, and enhancing grip and stock options from brands like B5 Systems and Magpul. The host also covers foregrips, ambi controls, muzzle devices, and essential maintenance items like White Lithium Grease.

This review details the CMMG MK57 AR-15 platform chambered in 5.7x28mm, highlighting its innovative Radial Delay Blowback system. The host, Mr. GunsnGear, an experienced firearm builder, explains how this system reduces recoil and muzzle rise. Despite the technical advantages and smooth operation, the review concludes that the high cost and limited availability of 5.7x28mm ammunition make this otherwise impressive firearm a difficult purchase for most consumers.