This guide provides expert-level instructions from Steve at Brownells on installing the Primary Weapon Systems (PWS) Enhanced Buffer Tube, featuring a ratcheting castle nut and end plate. The PWS system eliminates the need for staking or Loctite, offering a secure and easily removable assembly. The video details the step-by-step process for attaching the buffer tube to an AR-style lower receiver, securing the castle nut, and installing the enhanced buffer, specifically noting its use in a 9mm pistol build.
This review covers the PWS enhanced buffer tube, castle nut, and QD end plate system for AR-15 platforms. The system offers increased adjustability with its six-position buffer tube, enhanced drainage ports for wet conditions, and a unique ratchet lock castle nut for secure and reversible installation. It's noted for its weight savings and an anti-tilt lip designed to prevent carrier tilt and peening, making it a valuable upgrade for various AR-15 applications, including hunting and patrol.
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