Spare Parts for your AR15

This video delves into the intricate mechanical design of the M1 Garand rifle, with animator Bruno detailing the complexities he encountered while animating its components. Key areas of focus include the convoluted bolt design, the non-linear cycling action, the challenging recoil spring system, and the precise machining required for parts like the clip release and the accelerator. The discussion highlights the unique engineering choices made during the Garand's development and contrasts them with more modern design philosophies.

This expert guide from the School of the American Rifle details how to identify and address rough carrier key bores in AR-15 bolt carrier groups. The instructor, demonstrating expert knowledge, explains how these manufacturing defects, particularly on Colt components, can lead to premature wear on the gas tube and reduced reliability. Solutions involve replacing the defective carrier key to ensure smooth operation and longevity of the firearm.

This video provides a detailed breakdown of the SKS rifle, challenging the common perception of it as a 'garbage commie rifle.' The instructor meticulously disassembles the firearm, explaining the function and design of various components, including the unique tilting bolt mechanism, the integrated bolt cover, and the fire control group. The explanation highlights the SKS's surprisingly refined engineering and safety features, offering valuable insights for firearm enthusiasts and designers.

This video delves into the history and technical aspects of Colt's four-way enhanced rifle fire control group, a system offering Safe, Semi, Auto, and Burst modes. The expert instructor, with extensive experience at Colt, details the evolution of the burst cam, patent information, and specific rifle models that utilized this complex mechanism. It highlights practical challenges and historical context, including issues faced by the Greek Army and the eventual discontinuation of the program.

This expert guide from Gun For Hire Range details common failure points on the Troy A4 rifle, crucial for owners in New Jersey. It emphasizes proactive replacement of high-wear parts like magazines, hammer springs, and bolts, recommending keeping spares on hand to ensure reliability, especially for firearms experiencing high-volume use.

This guide details the installation and function of the SpeedTac Bolt Carrier, highlighting its design to eliminate magazine tension during closed-bolt reloads. The video emphasizes this as a significant advancement for AR-15 platforms, potentially offering a competitive edge. The presenter, with an instructional and experienced tone, suggests this feature should be standard on all AR-style rifles.

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.

This guide covers the basic operation and features of the EOTECH OGL, a compact laser aiming device. It highlights the interface controls, including the activation button and the illuminator adjustment lever, and explains the benefit of co-aligned visible and IR lasers for simplified zeroing. The use of VCSEL technology is also noted.

This entry details the innovative Full Conceal M1 system for the Sig P320 and a prototype Folding Glock 19, both designed for enhanced concealability. The M1 system, priced at $899, integrates an 18+1 capacity with a smartphone-like footprint and active retention. The Folding Glock 19 prototype showcases a unique mechanism for rapid deployment from a compact state, utilizing a 23-round 9mm magazine. Expert insights from Chris Tran (Guns & Tactics Magazine) and Mike (Full Conceal) highlight the technical aspects and practical applications of these designs.

This guide, drawing on expert instruction from UN12 Magazine, details the critical steps for properly installing and maintaining firearm sights. It emphasizes the use of witness marks on red dot sights to ensure screw security and highlights the importance of checking iron sights for mechanical integrity to prevent zero loss. Proper installation and regular checks are vital for all sighting systems.