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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 guide details the installation of an aftermarket AR-15 trigger, specifically a Timney Triggers product. The process involves unboxing the trigger, identifying its modular components like interchangeable shoes, and then carefully installing it into a lower receiver. A function test is crucial to confirm correct operation. The speaker demonstrates proficiency with firearm components and installation procedures.

This guide explains how to adjust the trigger weight on a 1911 pistol, specifically addressing a viewer's request to increase a 3lb trigger to 5lbs. The process involves understanding that the 1911's trigger pull is governed by its leaf spring. Adjustments can be made by tuning the existing spring or by replacing it with a pre-tuned spring of the desired weight. The speaker, demonstrating experienced knowledge, emphasizes the importance of proper firearm handling and understanding the mechanism.

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 content highlights the common misconception that drilling and tapping firearms for accessories like red dots or scopes is a simple DIY task. The hosts, with clear expertise signaled by their detailed discussion and industry affiliations (Springfield Armory hat), emphasize that the process is far more complex than often perceived. It requires specialized tools and a deep understanding of firearm mechanics to ensure safe and proper modifications, cautioning against amateur attempts.

This guide provides a detailed, step-by-step process for installing a TriggerTech trigger on a Remington 700 action, presented by an expert from Brownells. It covers trigger removal, installation of both single and two-stage models, and crucial post-installation safety checks. The video also touches on adjusting pull weight and the differences between TriggerTech's Primary, Special, and Diamond trigger grades.

This video showcases a novel magnetic optic mount for pistols, demonstrating its quick attachment and detachment capabilities. The speaker tests its retention by racking the slide, highlighting its potential as a firearm innovation. While initially shown on a Glock, the mount is available for other platforms like Sig Sauer and HK.

The EOTECH OGL is a compact, deck-of-cards-sized on-gun laser system featuring co-aligned visible and IR aiming lasers for simplified zeroing. It utilizes advanced VCSEL laser technology and includes a unique sliding lever to adjust the illuminator from spot to flood patterns. This tactical accessory was a notable introduction at SHOT Show 2023.

This video showcases the innovative Full Conceal M1 system for the Sig P320 and a prototype folding Glock 19. The M1 system offers a smartphone-like footprint with 18+1 capacity and a $899 price point. The folding Glock 19 prototype, chambered in 9mm, boasts a 23-round capacity and a unique folding mechanism for enhanced concealability and rapid deployment.

Proper installation and maintenance are crucial for all firearm sighting systems, not just red dots. Witness marks on red dot sights ensure screws remain tight, preserving zero. Even iron sights can fail if not properly secured, highlighting the need for regular checks on both mechanical and electronic optics. This content emphasizes proactive gunsmithing for reliable performance.