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Pricelist: USA Pricelist
Pricelist: USA Pricelist

Tac Four Gill Brake XL

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Tame your heaviest hitters with the Four-Gill Brake XL, our largest and most aggressive recoil-reduction system. Engineered specifically for serious magnum precision rifles, the XL model is built to handle the immense pressures of extreme long-range shooting while providing a stable, controlled platform.


$ 159.99 $ 159.99

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Maximum Control for Extreme Magnums

  • Elite Recoil Management: The oversized four-gill architecture is purpose-built to displace massive gas volumes, significantly reducing the punishing kick of large-bore magnums.

  • Optimized Shooter Comfort: Featuring our signature 90-degree first baffle, the XL redirects concussion and blast energy away from the shooter, ensuring a more pleasant experience even with the most powerful cartridges on the market.

  • Heavy-Duty Bore: With a dedicated .338 bore, this brake is the perfect companion for your .338 Lapua, .300 PRC, or other high-energy builds.



  • Precision Threading & Simple Setup

    • Versatile Fitment: Available in both 3/4-24 and M18-1.0 thread pitches to accommodate heavy-contour precision barrels.

    • Effortless Installation: No need for shims or crush washers. Our proven self-timing lock nut and integrated wrench flats allow for perfect alignment in minutes, ensuring your brake is timed correctly every time.

    • Technical Specs:

  • Thread Options: 3/4-24 or M18-1.0.

  • Bore Size: Optimized for .338 and smaller.

  • Installation: Self-timing with included lock nut.

  • Design: Four-Port Gill configuration.

  • When "standard" isn't enough, go XL. Equip your precision magnum with the Four-Gill Brake XL and stay on target when it matters most.


      • 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.