Dang detents launching out at light speed... 🫠

Lee Woody, Engineering Team Lead at Daniel Defense, details the cold hammer forging (CHF) process for rifle barrels. This expert-guided explanation covers the preparation of barrel blanks, the simultaneous forming of chamber and rifling through hammer forging, and the final precision turning. The CHF method creates a durable bore and chamber due to compressive stresses, ensuring consistency in high-volume production.

This entry details the unique XR-86 custom rifle, a 1986 build by Wilfred Ellis. It masterfully combines components from an M60 (flash hider), an M14 (gas system), and an AR-15 (trigger, bolt, locking system). The AR-15 trigger is notably rotated 90 degrees, and its bolt is integrated with the M14 gas system, showcasing advanced gunsmithing.

This video from School of the American Rifle highlights critical manufacturing defects in AR-15 bolt carrier keys, specifically focusing on rough internal bores. Lead instructor demonstrates how a poorly finished carrier key can cause significant friction, premature wear on components like gas tubes, and operational issues, contrasting a problematic new Colt carrier with a well-functioning older model. The expert emphasizes the importance of a smooth bore for reliable function and longevity of expensive parts.

This guide, presented by an expert firearms instructor, details the benefits and installation of adjustable triggers for platforms like the AR-15. It covers understanding trigger mechanics, adjusting pull weight, reset, and overtravel, and highlights ideal users for these components. The instruction emphasizes safety and practical application for competition and precision shooting.

This guide, presented by School of the American Rifle, details how to identify and replace a malformed weld spring in an AR-15 Delta Ring assembly. A misaligned weld spring can cause the gas tube to be pushed off-center, leading to excessive friction or damage to the carrier key and gas tube. Replacing the faulty component ensures proper gas tube alignment and firearm reliability.

This video focuses on planning an extremely budget-friendly AR-15 build, currently priced at $340 and aiming for a total of around $500 including essential accessories like a light, foregrip, and sling. The creator is actively seeking community input for cost-effective component suggestions to feature in future content, highlighting a collaborative approach to accessible firearm customization.

This video provides a practical demonstration of operating the Heckler & Koch MP7 in both semi-automatic and full-automatic modes. It covers the essential steps of loading, chambering a round, and manipulating the fire selector for different firing modes. The host emphasizes safe handling and proper technique for engaging targets with this compact submachine gun.

This video demonstrates the proper operation of a full-auto HK MP5K, including the iconic 'HK Slap' to chamber a round. It covers deploying the stock, locking the charging handle, and differentiating between semi-auto ('E') and full-auto ('F') firing modes. The demonstration includes live fire in full-auto and shows resulting target accuracy.

This video demonstrates the operation of the fully automatic KRISS Vector in .45 ACP, highlighting its distinct fire modes: semi-auto, 2-round burst, and full-auto. It showcases the platform's high rate of fire and the effectiveness of its Super V Recoil Mitigation system in managing recoil, particularly during full-auto engagement. The demonstration includes proper loading procedures and safety engagement.

The video analyzes the surprising use of Mosin Nagant 91/30 rifles, often with PU scopes, by rear-line troops and militias in the Ukraine conflict. These historical Soviet infantry rifles, officially replaced decades ago, highlight potential supply chain issues for Russian forces when seen alongside modern weaponry. While modernized versions exist, their deployment in this context is notable.