The QA October 2017

This video from Shark Coast Tactical demonstrates the sound reduction capabilities of the Ridgeback Defense Co. Rhino X suppressor on an AR-style rifle. The audio is captured at multiple distances, showcasing the effectiveness of the suppressor in reducing muzzle blast noise for the shooter and observers at varying distances. The presentation highlights professional audio recording techniques to objectively assess suppressor performance.

This video from Line45, hosted by Scott, explores seven surplus rifles that rival or surpass the AR-15 in durability, power, and real-world utility. It delves into the historical context, mechanical features, and ballistic performance of iconic firearms like the Mosin-Nagant, Mauser M48, Lee-Enfield, M1 Garand, PTR-91, WASR-10, and Zastava M70, highlighting their robust construction and suitability for harsh conditions.

This video showcases the Exigent Defense AR-15 equipped with the Overwatch762 Suppressor. The footage focuses on the visual aspects of shooting the suppressed rifle, highlighting its use in target practice. While the video demonstrates the suppressor's application, it lacks detailed technical specifications or instructional content.

This video demonstrates testing a CMMG Zeroed 9mm suppressor on an AR-15 platform, initially shown on a G-Force Arms Jaba. The experiment reveals that while the suppressor is designed for 9mm, it can be used on a .223 AR-15, though it gets very hot. The reviewer notes significant sound reduction, effective recoil mitigation, and reduced gas blowback to the face, comparing the sound to unsuppressed .22LR.

Elliott Delp reviews a unique Global Ordinance AR-15 upper receiver featuring a monolithic barrel design, integrating the muzzle device, gas block, and barrel into a single unit to eliminate potential failure points. He demonstrates how to effectively regulate gas for suppressed fire using an adjustable bolt carrier group, highlighting its flawless performance and correct gassing.

This video showcases the AAC 300-SD suppressor on an AR-style rifle chambered in 300 Blackout. It features live-fire demonstrations in an outdoor environment, with close-ups of the suppressor's design and operation. The footage also includes reloading sequences and detailed views of the muzzle end, emphasizing the suppressor's construction and gas redirection capabilities. The Advanced Armament Corporation (AAC) logo is displayed at the conclusion.

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.