Videos tagged with Fluted Chamber

This video reviews the Military Armament Corporation MAC 5K, a non-NFA SMG clone of the Heckler & Koch MP5K. It highlights the firearm's faithful replication of the original design, including its roller-delay mechanism and 9mm Luger chambering. Key features like the stamped steel receiver, polymer lower and forend with integrated hand stop, and ergonomic grip are discussed, along with its compatibility with HK parts and aftermarket support. The review emphasizes its suitability for close-quarter work and its palatable price point.

This review covers the Sentry Arms AP5-P Grey Team Edition, a limited-run clone of the Heckler & Koch MP5K. The firearm utilizes a roller-delayed blowback system for reduced recoil and is manufactured in Turkey using HK machinery. The review highlights its reliability, included accessories like a cleaning kit, sling, and magazines, and its partnership with the Grey Team charity.

Mark Serbu, a gun designer, reviews the SIG AMT, a civilian version of the Swiss PE57 military rifle. He highlights its beautiful Swiss craftsmanship, its chambering in 7.62x51mm (.308 Winchester), and its delayed roller locked action with a fluted chamber. Serbu expresses his long-held desire to own this 'holy grail' firearm and shares his initial impressions after shooting it.

This guide details the fundamental operation of the HK-91/G3 rifle platform, including safe loading procedures and the characteristic 'HK Slap'. It highlights the function of the fluted chamber and the use of aftermarket optics like the Trijicon ACOG. The instruction is delivered with high authority, demonstrating clear proficiency.

This guide provides an expert overview of the Grendel P30 field stripping process, drawing on detailed technical knowledge. It covers the steps for disassembly, cleaning, and reassembly, emphasizing the unique design elements like the large recoil spring and fluted chamber. The guide highlights the importance of safety checks and notes the rarity of parts, making careful maintenance crucial for collectors.

This guide details the field stripping and reassembly of the Stgw.57 / PE57 rifle, a complex firearm known for its roller-delayed blowback system and unique chamber design. Expert instructor Tim provides a high-level overview of the disassembly process, emphasizing the intricate components like the fluted chamber and bolt bounce reduction ring. Proper reassembly requires careful attention to the offset firing pin and bolt carrier group orientation.

This review of the Heckler & Koch G28 semi-automatic sniper system, presented by Arm&Gun, highlights its robust construction, military heritage, and specific technical features. The video details its weight, caliber, unique fluted chamber, and proprietary magazine system, while also touching upon modifications for US contracts and Canadian legal restrictions. The presenter, demonstrating experienced knowledge, provides an overview of its action, ergonomics, and piston system, setting the stage for future in-depth videos on its operation and maintenance.

This video provides an in-depth review of the SIG AMT (American Match Target), a semi-automatic variant of the Swiss SIG 510/Sturm Gewehr 57. It details the rifle's roller-assisted delayed blowback action, its Swiss origins, and unique features like the 'beer keg' cocking handle, loaded chamber indicator, fluted chambers, and a flexible buttstock designed for rifle grenade use. The review also touches upon its export history, including attempts to interest Finland and its limited importation into the US, highlighting its high cost and exceptional craftsmanship as reasons for its scarcity and collector value.

This guide explains the operation of the lever-delayed blowback system, as demonstrated by Ian McCollum of Forgotten Weapons. It details the core components—bolt, bolt carrier, and accelerator lever—and their interaction to create mechanical disadvantage, slowing bolt opening for safe extraction. The explanation highlights how this system manages pressure and its application in submachine guns, noting the necessity of features like fluted chambers for high-pressure cartridges.

This guide details the field stripping and reassembly process for HK roller-delayed blowback firearms like the HK93, C93, and Z43P. It emphasizes the unique bolt head and carrier reassembly technique specific to this action type. The video highlights the importance of proper maintenance for these firearms, drawing on expert knowledge from Military Arms Channel.

This review of the Heckler & Koch P7 pistol, featuring USPSA Grand Master Josh Mazzola, delves into its unique gas-delayed blowback system and squeeze-cocker safety. Mazzola, with his extensive competitive shooting background and technical understanding, highlights the P7's exceptional accuracy and historical significance as a German police service sidearm, while also acknowledging its obsolescence in modern firearms design.

This review of the POF Puritan 7.62x39mm AR-15 highlights its piston-operated system, corrosion-resistant features (CROS system), and E2 extraction system with fluted chambers. The firearm boasts a 16.5-inch 4150 chromoly barrel and a factory guarantee of 1 MOA accuracy. While offering good value and reliability, the reviewer notes a heavier recoil impulse compared to 5.56mm AR-15s and a minor issue with the suppressor setting.