Trinity Force Alpha Stock MK2


In stock


The Alpha Stock MK2 is versatile enough to work with any AR build. Featuring a Patented locking system. The Alpha MK2 is easy to install and remove on any Mil-Spec buffer tube. The butt-pad profiles are angled to accommodate plate carriers, and the aggressive texturing will ensure minimal movement when manipulating the rifle under stress. 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.

Product Features:

  • Made in the USA
  • Patent pending locking system
  • 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
  • Lifetime warranty


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: High Strength Steel, High-Density Polymer/Rubber
Color: Black


NO shipping to District of Columbia (Washington, D.C.); Massachusetts; Connecticut; Chicago, Cook County, Deerfield, Highland Park or Aurora Illinois; New Jersey; New York; Puerto Rico; Hawaii; or Canada. NO international shipping, all must be within the 48 Contiguous United States. NO APO/PPO/FPO’s.

Additional information

Weight .6875 lbs
Dimensions 8.5 × 5 × 1.375 in