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Spike’s Dynacomp “Shorty” Extreme Muzzle Brake Black – AR-15 .223/5.56 – SBV1021

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90 Day No-Hassle Returns We Pay Return Shipping

We have a 90-day no-hassle return policy. We pay return shipping.

If you need to request a return, contact us at support@at3tactical.com and we will send you a return label

After 90 days, defective items will still be covered under the manufacturer’s warranty, where applicable.

Please refer to the product listing for warranty details. If you have specific warranty questions, contact us at support@at3tactical.com. We may direct you to pursue your warranty claim directly with the manufacturer.

Your satisfaction is our #1 priority

If you’re dissatisfied with your purchase, in any way, please contact us at support@at3tactical.com – we will do our best to make it right.

Fast & Free Shipping On orders over $50

You will receive fast, free shipping for all orders over $50

Shipping cost is $7.99 for orders under $50. We ship with UPS or USPS, depending on the item.

Most orders received by 1pm CST ship the same day

You will receive an email with tracking information at the time of shipment. To expedite shipping, we may ship your order from multiple warehouses. Orders placed on weekends, holidays, or after 1pm will ship the following business day.

The SBV1021 or the Spike’s Tactical Dynacomp Short will make your follow up shots faster and more accurate. Get the 303 Stainless Steel option with a black Melonite finish, go for the SBV1021.


  • Extreme muzzle device; Balances the direction of the muzzle blast along the vertical and perpendicular planes of the muzzle to reduce muzzle rise, while the end of the device restricts forward energy to reduce parallel recoil
  • Machined from 303 Stainless Steel; Strong and durable
  • Black Melonite finish; protected to last
  • Ball dimpled expansion ports; For smooth expansion of gases and rapid heat dissipation
  • The front of the device is 0.25″ thick; Strengthened for the abuse of full auto fire
  • Includes a Spike’s Tactical crush washer; To keep it sealed tight
  • Threaded for 1/2×28″ barrels; Specific for 1/2×28″
  • Spike’s Tactical Lifetime Warranty; Quality backed by lifetime warranty


Material: 303 Stainless Steel

Finish: Black Melonite

Thread: 1/2×28″

Caliber: 5.56

Thickness at the front: 0.25″

NOTE: The Short model will not bring a 14.5″ barrel to legal (non-NFA) length when pinned.

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