USED – Primary Weapons Systems Enhanced Buffer Tube w/ Ratchet Lock Castlenut and Endplate

Used/Open Box Item: This product is not eligible for return. Click to learn more about used products.



Product Summary

Enhanced Buffer Tube, Racket Lock Castlenut and Endplate assembly by PWS

  • Weight- 4.3 oz.
  • Mil-Spec tube diameter
  • Impact Extruded 7075 Aluminum
  • Extended Carrier Support Lip For Smoother Cycling 6 Positions for Stock
  • Lightening Cuts Reducing Weight By Approx. 1 Oz. Off Mil-Spec
  • Unique Fluted Tube Design For Debris Clearing
  • Engraved Position Numbers
  • Enlarged Drain Holes
  • MIL-A-8625 F, Type III, Class 2 Anodized
  • Includes PWS Ratchet Lock Castle Nut & End Plate Set


Technical Information

Firearm Compatibility

Catalog Location

California Prop 65 Warning

WARNING: This product can expose you to chemicals, which are known to the State of California to cause Cancer and Reproductive Harm. For more information visit