Trinity Force Alpha Mil Spec Stock & Buffer Kit - Grey

SKU# 1615 | by Trinity Force
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Trinity Force Mil-Spec Carbine Buffer / Receiver Extension Kit

This 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.

  • Mil-Spec Carbine Buffer Tube / Receiver Extension
    • 6 Position Aircraft Grade Aluminum
  • Carbine Buffer Spring
  • Castle Nut/Receiver Nut
  • Mil-Spec Receiver End Plate
  • Carbine Recoil Buffer

Trinity Force Alpha Stock - Grey

The Alpha Stock is versatile enough to work with any AR build. It features a low profile adjustment latch, double injected rubber check rest, and slick sided profile. The butted profile is angled to accommodate plate carriers and the aggressive texturing will ensure minimal movement when manipulating the rifle in adverse conditions.

Length (in)


Receiver Extension Type


Weight (oz)


Length of Pull Range (in)


Length of Pull Collapsed (in)


Length of Pull Extended (in)



Aircraft Grade Aluminum, High Strength Steel, High-Density Polymer/Rubber



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