Videos tagged with Radially Delayed Blowback

This guide details the installation of CMMG's innovative 5.7x28 and 9mm conversion components for AR-15 platforms, as presented at SHOT Show 2020. Expert instruction covers attaching the 5.7x28 upper and inserting proprietary magazines, highlighting compatibility with standard AR-15 lowers and the unique radially delayed blowback system. The video emphasizes CMMG's specialized design approach for optimal performance across different calibers.

This guide details the process of building and troubleshooting 9mm AR-style firearms, emphasizing the critical nature of parts compatibility. It covers common issues like magazine feed angles, bolt geometry, and the necessity of manual fitting. The video highlights proprietary systems and adapter solutions, advising builders to research thoroughly due to the platform's evolving standardization compared to the 5.56 AR-15.

This video provides an expert-level review of the CMMG MK57 Guard in 5.7x28mm, featuring insights from Iraqveteran8888. It covers the firearm's unique radially delayed blowback system, magazine compatibility with the FN Five-seveN, suppression capabilities with a KGMade Swarm suppressor, and impressive long-range accuracy. The review highlights the low recoil and high velocity of the 5.7x28mm cartridge, making it a compelling option for pistol-caliber carbine enthusiasts.

This review details the CMMG Banshee 9mm, highlighting its compact SBR configuration, innovative radially delayed blowback system, and compatibility with Glock magazines. The video showcases the DefCan 9 suppressor, RipStock, and impressive suppressed performance with subsonic ammunition. Instruction comes from an established firearms expert with high authority in product reviews.

This guide details how to tune the CMMG Guard 9mm pistol using its proprietary Action Tuning Kit. The Radially Delayed Blowback system requires specific weight adjustments in the bolt carrier group to optimize reliability with different ammunition types, from subsonic to +P loads. Proper tuning, combined with compatible magazines and ammunition selection, is crucial for consistent performance, especially when suppressed. The review highlights the importance of testing defensive ammunition for function.