This video provides a quick tip on how to install the Primary Weapon Systems (PWS) Enhanced Buffer Tube on an AR-15 pistol or carbine. Unlike standard buffer tubes, the PWS Enhanced Buffer Tube features a ratcheting castle nut and end plate system that eliminates the need for staking or Loctite, enhancing reliability. The installation process is demonstrated by Brownells Gun Tech Steve Ostrem, highlighting how the PWS tube securely locks in place and offers additional carrier support for improved AR-15 performance.
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