Defcon 1 LITE ROBINSON ARMAMENT XCR-L Rifle Thread-On Muzzle Brake – 1/2 x 28 .


INSTALLATION GUIDE for the Defcon 1 LITE Robinson Armament XCR-L Thread-On Muzzle Brake - 1/2 x 28 threading GGW Defcon 1 LITE Robinson Armament XCR-L Rifle Thread-On Muzzle Brake reduces recoil by a minimum of 60% for the 7.62 and a minimum of 90% for the 5.56 NATO, 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 Robinson Armament XCR-L 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"
    Width: 1.0"
    Thickness: 0.9"
  • Material and Weight:

    416 Stainless Steel: 3.7 oz
  • Threading:

    1/2 x 28
  • Recoil Reduction:

    Minimum 60% for 7.62, minimum 90% for the 5.56 NATO
  • Caliber:

    5.56 NATO, .300 Blackout, 5.45 mm, 7.62 mm, 6.8 mm and 6.5 Grendel
  • XCR-L Model:

    Grizzly Gunworks Defcon 1 LITE Thread-On Muzzle Brakes are available for the Robinson Armament XCR-L threaded 1/2 x 28 in every caliber.