Videos tagged with P90 Magazine

This video demonstrates a unique modification for the AR-15 platform, chambering it in 5.7x28mm using a P90-style top-mounted magazine. Expert Tim Harmsen conducts a practical test to assess the effectiveness of using a standard AR-15 magazine in the lower receiver as a brass catcher for spent 5.7x28mm casings, confirming its capacity for approximately 50 rounds.

This Q&A session covers a wide range of firearms topics, including the evolution of firearm design, the adoption of the Sig P320 by Switzerland, the pros and cons of high-pressure cartridges, the legal precariousness of FRTs and auto sears, the effectiveness of 338 Norma machine guns, comparisons of general-purpose machine guns like the FN MAG 58 and PKM, the book publishing process, firearm safety, and the technical aspects of firearm optics and camera gear. The discussion highlights the practicalities of firearm development, manufacturing, and use, as well as the challenges and considerations involved in creating and distributing firearms-related content and literature.

This guide covers the basic operation and critical safety considerations for the AR57 carbine, a unique system adapting the FN P90's 5.7x28mm magazine to an AR-15 lower. It highlights the downward ejection port and the significant safety concern regarding out-of-battery detonations. Expert insights from Ian McCollum emphasize its fun factor but caution about ammunition cost and safety.

This video from Military Arms Channel demonstrates the AR-57 upper receiver on an AR-15 platform, chambered in 5.7x28mm. The host highlights the unique top-mounted magazine and downward ejection through the AR-15 magazine well, which also serves as a brass catcher. The demonstration is significantly impacted by YouTube's new policies, forcing the host to satirically cut away from showing loading and clearing procedures, while still showcasing live fire. The speaker's authoritative tone and familiarity with niche platforms and digital policies are evident.

This guide details the process of converting a standard AR-15 lower receiver into a 5.7x28mm firearm using the AR57 ULT upper receiver. The AR57 ULT allows the use of P90-style magazines and the 5.7x28mm cartridge, offering a unique shooting experience. The conversion is presented as a straightforward upper receiver swap, making it accessible for intermediate DIY enthusiasts.

This video from NRA Gun of the Week features an in-depth look at the Kel-Tec P50, a semi-automatic pistol chambered in the FN 5.7x28mm cartridge. The review highlights the P50's radical design, which utilizes a P90-style magazine feeding upward into the action. Key features discussed include its blowback operation, aluminum receiver, glass-filled nylon frame, extended Picatinny rail, accessory rail, threaded barrel, integrated iron sights, and sling-mounting points. The testers found the P50 to be enjoyable to shoot, particularly with its 50-round magazine, noting that the bolt does not lock open on an empty magazine. The video emphasizes the P50's innovative nature and its suitability for the fast, flat-shooting 5.7 cartridge.