Videos tagged with Chamber Polishing

This guide, drawing on expert analysis from a critical review of the Remington 870, provides actionable steps for improving the reliability of post-2007 models. It emphasizes polishing the chamber, inspecting and potentially replacing MIM extractors, and upgrading magazine components. The advice is geared towards owners looking to address common issues like sticky extraction and rough actions, transforming a potentially problematic firearm into a dependable tool.

This video details the process of fixing an overgassed Griffin Armament AR-15 rifle by modifying the gas system and upgrading key components. The presenter, with extensive military and law enforcement experience, explains the issues of overgassing, including cycling problems and bolt bounce. The solution involves installing a new gas block with a corrected port size and upgrading to a Midwest Industries Combat HD rail and Mark 2 QD optic mount for improved stability and modularity. The video also covers essential gunsmithing techniques like deburring feed ramps and polishing the chamber for enhanced reliability and accuracy.

This review covers the Free State GunCo SAS-9, a machined aluminum production firearm based on the 3D-printed 'Mac & Cheese' design. It highlights the firearm's compatibility with MAC uppers and AR lower parts, its direct blowback operation, and its ability to accept Glock magazines. The review also discusses trigger compatibility, potential issues with outrunning the trigger, and recommendations for lubrication and maintenance to ensure reliability.

This video details the process of repairing rough chambers and polishing feed ramps on Ruger AR-556 barrels. Using flex hones and metal polish, the School of the American Rifle successfully removed surface defects from two barrels without oversizing them. Smooth chambers and feed ramps are crucial for reliable extraction and to prevent damage to projectiles during feeding.

This review of the Palmetto State Armory (PSA) Krink-style rifle, after 1500 rounds, highlights its performance as a more accessible alternative to traditional Krinks. While acknowledging it's not a 'true' Krink due to its 5.56 NATO chambering and modern features, the reviewer finds it fun to shoot and notes its flat shooting characteristics. Initial reliability issues with steel-cased ammunition were reportedly resolved by honing the chamber, a modification discussed in the video.

The video creator expresses significant disappointment with their Colt Mark IV Government .380 pistol after experiencing persistent malfunctions despite replacing magazine springs, recoil spring, and trigger spring, and putting over 300 rounds through it. They are considering selling the firearm and are seeking advice from the community. Potential future modifications like polishing the chamber and opening the feed ramp are mentioned as last resorts before giving up on the gun.

This guide, presented by World Champion Cowboy Action Shooter Jim Finch ('Long Hunter'), details advanced techniques for loading and unloading side-by-side double barrel shotguns. It covers specific left-hand and right-hand loading methods, emphasizing angled insertion and the importance of practice. Finch also explains crucial modifications like barrel chamfering and chamber polishing to enhance speed and reliability in competition.

This guide, presented by Mark Serbu, a professional firearm designer, details how to fix AR-15 short-stroking issues by polishing the chamber. Short-stroking, where the bolt doesn't travel back far enough to chamber a new round, can be identified by dull ejected brass and extractor slippage. The solution involves using a Flex-Hone tool to smooth the chamber, which Mark Serbu demonstrates using high-speed video analysis.

This guide details a DIY gunsmithing technique for polishing the chamber of a Remington 870 shotgun to resolve extraction issues, as demonstrated by Mrgunsngear. The process involves using a drill and steel wool on a dowel to smooth rough machining marks, a common problem noted in newer models produced under Freedom Group ownership. This practical solution aims to improve reliability and cycling performance.

This guide provides a detailed, step-by-step process for fixing a sticky bolt on a Mosin-Nagant rifle, a common issue with surplus firearms. Drawing on the expertise of Iraqveteran8888, the instructions cover chamber polishing, firing pin maintenance, bolt contact point refinement, and proper lubrication techniques to ensure smooth operation. The modifications aim to significantly improve the rifle's handling and reliability.