Defcon 1 LITE KRISS VECTOR Rifle Thread-On Muzzle Brake – 1/2 x 28 , 9/16 x 24 and M16 x 1.0 LH .


INSTALLATION GUIDE for the Defcon 1 LITE Kriss Vector Thread-On Muzzle Brake - 1/2 x 28, 9/16 x 24 and M16 x 1.0 LH threading GGW Defcon 1 LITE Kriss Vector Rifle Thread-On Muzzle Brake reduces recoil by a minimum of 85%, eliminates muzzle rise, dust signature and rifle torque. The Defcon 1 LITE is made of the highest quality material and workmanship to deliver high performance and recoil reduction, keeping you on target, while increasing accuracy. Available in 416 Stainless Steel; coated with durable and impact resistant Cerakote paint. Grizzly Gunworks Thread-On Muzzle Brakes are made custom for your Kriss Vector rifle; according to your specifications, therefore, producing a uniquely designed Muzzle Brake to perfectly fit your firearm. Grizzly Gunworks Thread-On Muzzle Brakes are customizable offering a minimum of seventeen colors and finishes. Quickly and easily install your Thread-On Muzzle Brake with zero gunsmithing. You are purchasing a Thread-On Muzzle Brake that is made for a threaded barrel. Grizzly Gunworks offers Muzzle Brakes for threaded and non-threaded barrels. Precision Muzzle Brake Timing All LITE Muzzle Brakes have a built-in Precision Hex Locking Nut for self-timing. Simply tighten the hex locking nut where needed to accurately index your LITE Muzzle Brake.
Colors: Standard three colors and finishes are available at NO extra charge:
  • Armor Black
  • Flat Dark Earth
  • Bead Blast Dull Finish
All other custom colors and bead blast polished finish are an additional coating charge of $70.00 U.S.


  • Approximate Dimensions:

    Length : 2.5"
    Diameter: 1.0"
    Width: 1.0"
    Thickness: 0.900"
  • Material and Weight:

    416 Stainless Steel: 3.7 oz
  • Threading:

    1/2 X 28, 9/16 X 24 and M16 X 1.0 LH
  • Recoil Reduction:

    Minimum 85% for .45 ACP
  • Caliber:

    .22, 9mm, 10mm, .357 SIG, .40 S&W and .45 ACP
  • Kriss Vector Models:

    Grizzly Gunworks Defcon 1 LITE Thread-On Muzzle Brakes are available for all Kriss Vector rifles with a threaded barrel.