Videos tagged with Bolt Mechanism

This entry details the unique ZB47 submachine gun, focusing on its innovative yet problematic 72-round straight magazine. Expert Ian McCollum explains how standard 9mm Parabellum cartridges caused feeding failures due to their tapered cases. The solution involved a custom-designed cylindrical 9mm round and a specialized bolt mechanism with feeding teeth to ensure reliable feeding.

This guide details the field stripping and reassembly process for the Century Arms CA-3 .308 Cetme Rifle, as demonstrated by Sootch00. It covers the removal and reinstallation of the bolt carrier group, bolt, rollers, and trigger pack, emphasizing the roller-delayed blowback mechanism. The process is presented with a focus on maintaining the rifle's functionality and compliance.

This guide details the field stripping process for the new Auto Mag 180-D, highlighting key internal upgrades. Expert Ian McCollum demonstrates the disassembly, focusing on the titanium firing pin and re-engineered bolt relief cuts designed to enhance reliability and address historical issues. The video provides a comprehensive look at the modern iteration of this iconic pistol.

This video provides an in-depth review of the CMMG Guard carbine, focusing on its innovative radial delayed blowback operating system. The presenter, from SmallArmsSolutions, details the mechanical advantages over traditional blowback systems, including reduced recoil and improved suppressor performance. The review covers the firearm's construction, compatibility with Glock magazines, and performance with various ammunition types in both 9mm and .45 ACP variants.

This entry details the Kiraly 43M submachine gun, highlighting its unique lever-delayed blowback system designed by Pál Király. It covers technical specifications like its 9x25mm Mauser Export caliber, 8 lb weight, and 40-round capacity. The guide explains the disassembly process, focusing on the two-piece bolt and the function of the delay lever, crucial for managing the powerful cartridge. Expert insights from Ian McCollum provide historical context and technical depth.

This guide details the disassembly process for the Remington Model 8, a historic autoloading rifle designed by John Moses Browning. It covers the takedown procedure for easy transport and a more in-depth field strip of the internal components, including the unique long recoil system and dual recoil springs. Expert instruction highlights the rifle's historical significance and mechanical intricacies.

This expert review from Forgotten Weapons delves into the Madsen M47, a lightweight military bolt-action rifle. Ian McCollum provides a detailed look at its unique rear-locking bolt, safety mechanism, and sights. The video highlights its historical context as a post-WWII design intended for nations unable to afford semi-automatic rifles, noting Colombia as its sole purchaser.