Videos tagged with Chamber Polishing

This guide, informed by an expert with deep technical knowledge of firearms manufacturing, details how to enhance the reliability of a Remington 870 shotgun. It focuses on addressing common issues found in post-2007 models, such as rough chambers and inferior internal parts. By following these steps, owners can transform a potentially problematic firearm into a dependable tool.

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 video details the follow-up range test of a CZ P10S after factory repair for previous malfunctions. The instructor, Mike from Hunt Fish Shoot, confirms the issues were firearm-related, not user error. After CZ reamed and polished the chamber and addressed the extractor, the P10S demonstrated significantly improved reliability and performance, shooting accurately with good ejection patterns. The instructor suggests the repaired P10S is now a viable and potentially superior alternative to a stock Glock for concealed carry.

This guide details how to diagnose and resolve AR-15 short-stroking issues, a problem where the bolt doesn't cycle fully. Expert Mark Serbu demonstrates that a rough chamber is a common cause, leading to dull brass and extraction failures. The solution involves polishing the chamber with a Flex-Hone tool, restoring reliable cycling and shiny ejected brass.