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Pricelist: USA Pricelist
Pricelist: USA Pricelist

Four Port Gill Brake

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Eliminate recoil and dominate the range with the Four-Port Gill Muzzle Brake, our most powerful solution for maximum recoil management. Engineered for heavy hitters and precision shooters, this brake is designed for any rifle with a 5/8-24 thread pitch and a standard barrel shoulder (recommended .750" or larger).


$ 139.99 $ 139.99

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Recoil Suppression

  • 50% Recoil Reduction: Our aggressive four-port architecture is a game-changer, cutting felt recoil by up to half. It transforms heavy-kicking magnums into manageable, flat-shooting precision tools.

  • Maximum Shooter Comfort: By utilizing a precision-engineered 90-degree first port, this brake effectively redirects blast energy away from the shooter’s face, reducing concussion while maintaining a steady sight picture.

  • Extreme Caliber Versatility: This isn't just for small bores—this brake is built to handle everything from the .223 Remington all the way up to the punishing .338 Lapua Magnum.



  • Professional Grade Performance
  • Whether you are competing in PRS or hunting with a large-caliber magnum, the Four-Port Gill Brake provides the stability needed for rapid follow-up shots and long-range accuracy.

  • Technical Highlights:

    • Thread: 5/8-24 TPI

    • Design: Four-port "Gill" style for high-volume gas displacement.

    • Compatibility: Ideal for heavy-contour barrels with a .750" minimum shoulder.

    • Upgrade to the Four-Port Gill Brake today and experience the ultimate in muzzle control and shooting comfort.

  • 5/8-24 thread pitch.
  • Self-timing lock nut. 
  • Large flats for easy leveling. 
  • Four-port design. 
  • Max 308 covers from 223 Remington up to 300 PRC. 
  • Max 338 covers from 300 PRC to 338 Lapua Magnum.

    • Shipping Schedule: IBI is located in Chilliwack, B.C. Canada -  Canadian orders ship as soon as the product is ready. (See FAQ) US orders are batched and shipped once a month typically at the end of the month via a custom logistics broker. This broker takes possession of the goods, applies for the import permit from the ATF, and once approved takes the products to their US offices and ships them to the end user via UPS.  (Pls note that all firearm actions must be shipped to an FFL)All other international orders ship once export permits and paperwork are approved. (See FAQ)
    • In-Stock Items: Typically prepared within 1–5 business days. Canadian orders ship right away; US orders are held for the next monthly shipment. (smaller non regulated items under $100 can be shipped within 1-5 days via post)
    • Back-Ordered Items: Lead goals depend on shop capacity. Once complete, US orders go out with the next scheduled monthly shipment.
    • International Orders: Export permits can add several weeks depending on the destination country. Customers are responsible for import permits, duties, and local regulations.
    • Next Shipment: Contact our support team before ordering for the next US departure date or an international timeline estimate.