Videos tagged with Open Bolt

This expert-level knowledge entry details the operation of the Cobray Terminator, a unique single-shot slam-fire shotgun. It covers the mechanical cycle, live-fire demonstration, and ejection process, drawing from the insights of an enthusiastic and authoritative instructor. The guide provides a step-by-step technique for operating this distinctive firearm.

Hank Strange provides an expert review of the M3 Grease Gun, highlighting its unique manual of arms, including the internal crank-style charging handle. He demonstrates its operation and live fire, noting its 'humming like a sewing machine' cyclic rate and historical context as a 1943 suppressive fire weapon. The review emphasizes the importance of understanding its specific loading procedure.

This expert review of the M3 Grease Gun covers its .45 ACP direct blowback operation and open-bolt configuration. The demonstration highlights the original ratcheting charging handle, the weapon's slow and controllable rate of fire, and its performance on an outdoor range. The reviewer, identified as an expert, showcases practical handling and firing techniques.

This review details the SAP M10, a semi-automatic variant of the MAC-10, retaining its open-bolt design. It highlights the internal mechanism, including the disconnector and sear, crucial for semi-auto function. The video also touches upon the legal implications and ease of conversion to full-auto, which attracted law enforcement attention.

This review details the RPB Semiauto M10 SAP, an open-bolt pistol developed as a cheaper alternative to the full-auto MAC-10. It highlights the firearm's simple blowback operation, unique RPB 'Cobra' logo, and the ATF's 1982 ruling that reclassified such designs, leading to production cessation. The video also contrasts the semi-auto trigger group with its full-auto counterpart, noting the ease of conversion.

The CBJ-MS is a modernized Swedish submachine gun designed by Bertil Johansson, aiming for rugged durability over polymer PDW fragility. It features a unique muzzle sleeve for bipods, a forward grip with magazine storage, and a progressive trigger. The design draws inspiration from the Swedish K for reliability and utilizes a telescoping bolt similar to the Uzi, allowing for a compact receiver made from stamped stainless steel.

This guide details the installation of a suppressor on a Mini Uzi, which replaces the standard barrel nut. It covers the firearm's operation, including its open-bolt configuration, fire selector, grip safety, and unique ratcheting charging handle that functions as a drop safety. The Mini Uzi's design, adapted from the original Uzi, results in a high cyclic rate of approximately 1,000 rounds per minute.

The Walther MPK and MPL are post-WWII submachine guns developed in the late 1950s and produced from 1963, competing with the Uzi and MP5. They feature a simple stamped sheet metal construction, ambidextrous controls, and a manageable 550 RPM rate of fire. While robust and portable, their sights are considered a weak point by the reviewer.

The 1917 Burton Light Machine Rifle is presented as an early example of an assault rifle, featuring a unique dual magazine system holding 20 rounds each. Its select-fire capability is achieved through a dual trigger mechanism, with the top trigger for semi-auto and simultaneous use of both for full-auto fire. The open-bolt design and internal sear operation are detailed, highlighting its advanced features for its era.

Ian McCollum of Forgotten Weapons provides an expert look at the Hungarian K1 'Kucher' light submachine gun. Developed by József Kucher, it was adopted in 1951 and chambered in 7.62x25mm Tokarev. The K1 features a simple blowback, open-bolt action, an under-folding stock, and an integrated muzzle brake. McCollum demonstrates its field stripping, highlighting its basic internal mechanics and comparing it to other contemporary designs.

This review of the Hungarian K1 Kucher light submachine gun highlights its economical and efficient, albeit aesthetically challenging, design. The firearm utilizes a simple blowback, open bolt action and features a PPSh-style safety mechanism with a distinct semi-auto selector. Notably, its magazine shares similarities with the PPS-43 Sudayev but has unique catch designs, and the ejector is integrated into the sheet metal magazine well.

This expert-level review details the ZK-466, a rare Czech folding submachine gun developed by Josef Koucký. Ian McCollum of Forgotten Weapons provides an in-depth look at its unique design, historical context, and limited production. The ZK-466 features a compact folding magazine well and was marketed as a survival weapon for pilots, though it ultimately lost out to the Sa Vz 23 series in military trials.