Brownells Brownells Brownells 75th Anniversary - A Shooting Heritage

Currently employed by the U.S. military, this reinforced polymer stock fits M4-type receiver extensions and offers an improved cheekweld designed for increased comfort and consistency. Two waterproof storage compartments running the length of the stock hold 2 AA or 3 CR-123 batteries. Streamlined contours resist snagging on clothing, equipment, or vegetation to aid in safe and stealthy operation. Sure-Grip stock latch ensures convenient and intuitive length-of-pull adjustment, while the anti-slip rubber recoil pad secures the weapon to the operator’s shoulder. Features a black, stainless steel QD swivel mount and two molded 1¼" wide sling slots. This results in a slimmer profile and lighter weight.
The SOPMOD Buttstock Kit include the following items:

  • Mil-Spec buffer tube
  • Carbine buffer
  • Chrome Silicone recoil spring
  • Receiver end plate
  • Receiver extension castle nut


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Color: Black

Style: Collapsible

Type: Mil-Spec

Material: Polymer