MIL-SPEC Buffer Tube Kit

$49.99
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Our receiver extension kit is constructed from aircraft grade aluminum with rolled threading. The buffer tube has been hard coat anodized for maximum corrosion and wear resistance. A standard buffer spring and 3oz carbine buffer are included as well as a castle nut and lower receiver end plate. This assembly kit will fit on all Mil-Spec AR-15 lower receivers.
 
  • PNW 6061 T6 MIL-SPEC Aluminum tube
  • PNW Mil-Spec Castle nut
  • PNW Mil-Spec end plate
  • PNW Mil-Spec Carbine buffer spring
  • PNW Mil-Spec Carbine buffer