AR-15 9mm Review

Elliott Delp provides an expert assessment of a Palmetto State Armory (PSA) 9mm Pistol Caliber Carbine (PCC), highlighting its seamless compatibility with standard Glock magazines. The demonstration confirms that both factory Glock magazines and Magpul PMAG 17 GL9 magazines fit and function reliably. This PSA PCC, equipped with a Holosun red dot and weapon light, is presented as a highly competitive option for those seeking a 9mm PCC.

Elliott Delp provides an expert overview of the PSA Gen-4 GX AR-9 PDW, highlighting its compact and reliable nature. He specifically notes its 9mm caliber and compatibility with Glock magazines, making it a noteworthy option for those seeking a versatile firearm. The instruction is delivered with the authority of an experienced firearms instructor.

This review highlights the JP Enterprises JP5 as a top-tier pistol caliber carbine, emphasizing its unique roller-delayed blowback system that significantly reduces recoil. Expert instructor Honest Outlaw demonstrates how tuning the bolt carrier and spring, combined with a specialized brake, can achieve virtually zero recoil, making it exceptionally fast to shoot. The JP5 also boasts AR-platform controls and Glock magazine compatibility, offering superior ergonomics and ammunition availability over traditional designs like the MP5.

This video provides a humorous and opinionated comparison between the Matador Arms Mat9 and the Mac N Cheese V2.5. It highlights key mechanical differences, such as the Mat9's roller-delayed blowback system and monolithic upper versus the Mac N Cheese's straight blowback and MAC-11 upper. The video also touches on the philosophical implications of home-made firearms in relation to government control.

This review of the Schmeisser DRS 9 highlights its unique features, drawing comparisons to the iconic MP5 while emphasizing its AR compatibility. The presenter, a hobbyist, showcases the firearm's roller-delayed system for reduced recoil, reversible charging handle, and its ability to accept standard AR pistol grips and triggers. The use of Glock magazines and the inclusion of a bolt catch are also noted as significant advantages.

The Henry Homesteader pistol-caliber carbine is praised for its excellent build quality, featuring well-finished metal and attractive wood. While currently only available in 9mm, the reviewer expresses a strong preference for a 10mm variant, citing compatibility with their Glock 20. The carbine is noted to accept Glock magazines in specific configurations.

Mark Serbu details the complex process of converting a CNC lathe into a 12-barrel blank-firing machine gun. The project highlights the critical role of a lathe's C Axis for precise rotational control and the application of PID control theory to overcome initial firing failures. Modifications were made to ensure the device fires blanks only, avoiding legal issues.

This video demonstrates how to rifle a barrel in a home shop using basic tools, bypassing expensive CNC equipment. It covers material preparation, precise drilling and reaming, and the critical process of pushing a rifling button. While a DIY approach is shown to be possible, the video highlights the significant difference in quality and precision achievable with professional CNC machining.

This video provides an in-depth analysis of the Serbu RN-50 rifle that experienced a catastrophic failure during a Kentucky Ballistics test. Mark Serbu, the designer, meticulously examines the damage, noting severely bent steel side plates, sheared-off breech cap ears, and a sheared pivot pin. The inspection also covers the breech cap's condition, barrel threads, and the stuck casing, revealing a case head separation.

Mark Serbu, designer of the RN-50, addresses a catastrophic failure experienced by Kentucky Ballistics. He reassures customers about the RN-50's safety, attributing the incident to counterfeit or over-pressured ammunition. Serbu highlights the rarity of such events and emphasizes industry transparency, noting that his company has produced approximately 1,400 RN-50s since 2016 with hundreds of thousands of rounds fired without issue.