Alpha Stock Kit (Black)

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 butt-pad profile is angled to accommodate plate carriers and the aggressive texturing will ensure minimal movement when manipulating the rifle under stress.


  • Snag free design to prevent any tangles with gear
  • Two different types of ambidextrous sling mounting options, including QD swivel sockets
  • Rubber textured butt-pad
  • Mil-Spec Receiver Extension
  • Mil-Spec Spring
  • Buffer
  • End Plate
  • Locking Castle Nut
  • Lifetime warranty

This kit comes with everything you need to get your rifle up and running.


For your safety, Trinity Force recommends this part be installed by a competent, qualified gunsmith/installer with an understanding of the weapon platform that the part is being installed on. Always make sure the firearm is unloaded and pointed in a safe direction when working.

SKU: WT03B Category:
Length (in)

7.6

Receiver Extension Type

Mil-Spec

Weight (oz)

18.1

Length of Pull Range (in)

3.3

Length of Pull Collapsed (in)

12.4

Length of Pull Extended (in)

15.7

Material

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

Color

Black