Dynamic Resistance Muzzle Brake

Dynamic Resistance Muzzle Brakes reduce felt recoil by 62% while taming the concussion that is normally associated with muzzle brakes. Our products have ​been through rigorous R&D to come to this final design and we proudly offer a full lifetime guarantee.

Lifetime Guarantee*:  If we determine and verify that any of our products are defective in material and/or workmanship during your lifetime, we will repair or replace it at no cost to you!

DSC Machining LLC is not liable for damage caused from the improper use or incorrect placement of this product.  *Does not cover normal wear and tear or damage resulting from abuse, alterations, unauthorized repairs or use contrary to DSC policy.

To purchase the Dynamic Resistance Muzzle Brake, please visit our distributor’s website, Carbon Arms and select AR-15 Uppers and Parts under Categories. Thank you.



Caliber .223/ 5.56

1/2-28 TPI

Material: 4140 Steel @ 35Rc or 17-4 Stainless Steel
Finish: Mil-spec Parkerize or Raw
Length: 1.75″
Diameter: 0.875″
Weight: 2.44 oz


Caliber .308/7.62

​5/8-24 TPI or 14mm X 1 LH​​

Material: 4140 Steel @ 35 Rc
Length: 2.10″
Diameter: 1.00″
Weight: 3.10 oz


Installation Instructions

  1. Unload and clear the firearm, remove the magazine and place it on a Safe.
  2. Remove existing muzzle device and washer. Ensure threads are clean and undamaged.
  3. Place included crush washer on barrel with ‘cupped’ side facing muzzle.
  4. Hand tighten your new Dynamic Resistance muzzle brake onto the muzzle.
  5. Using a standard barrel wrench, turn at least 1/4 turn, not to exceed 1 1/2 turn until the round ports are in the 12:00 position.

Caution: do not over tighten as it will destroy crush washer and may cause damage to barrel and brake.

Watch Video



Muzzle Brake Installation

Muzzle Brake Testing

Muzzle Brake Testing 2