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Price history
Lowest in-stock price in the last 30 days: $109.99 at OpticsPlanet. Dashed line = out of stock. Tracking since Oct 28, 2026.
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AR15Discounts
$128.99
$128.99
$128.99
Battlehawk Armory
$105.98
$105.98
$105.98
Dirty Bird
$128.99
$128.99
$128.99
GunMag Warehouse
$128.99
$128.99
$128.99
MidwayUSA
$130.99
$130.99
$130.99
OpticsPlanet
$109.99
$109.99
$109.99
Since Oct 28, 2026.
About this part
The Lantac Dragon Plan B Long Muzzle Brake 6mm - 5/8x24 is a muzzle brake from Lantac. It's sold by 7 stores (3 in stock), from $105.98 to $130.99. The lowest in-stock price in the last 30 days was $109.99 at OpticsPlanet.
Experience unparalleled control and precision with the Lantac Dragon Plan B Long Muzzle Brake 6mm - 5/8x24, engineered for 6mm ARC firearms. This patented muzzle device transforms your shooting experience by drastically reducing recoil and muzzle rise, allowing for faster follow-up shots and superior accuracy-even in rapid-fire scenarios. Whether you're a competitive shooter or a tactical enthusiast, this full-length brake delivers the stability you need to stay on target. Key Features Patented Short Energy Pulse System: Minimizes recoil duration to prevent shot overlap, ensuring consistent shot placement without disrupting your aim. Plan-B Hub Mount Compatibility: Seamlessly integrates with Plan-B systems for advanced weapon handling and suppressor readiness (note: non-licensed from Q, may affect warranties). Precision Engineering: Crafted from hardened AISI 4140 steel (48-52Rc) with QPQ Nitride finish for exceptional durability, corrosion resistance, and longevity in extreme conditions. Optimized for 6mm ARC: Bore diameter tailored to 6mm cartridges, providing maximum efficiency without excessive side blast. Specifications Muzzle Device Type: Muzzle Brake Threads: 5/8x24 to Plan-B Cartridge Compatibility: 6mm ARC Finish: Nitride / Melonite (QPQ) Length: 2.575 inches Mount Diameter: 0.900 inches Weight: 3 oz Includes: Timing shim set for precise installation Made in USA: Serial numbered for quality assurance Why Choose the Lantac Dragon Plan B Long Muzzle Brake? Struggling with muzzle rise that throws off your long-range shots or makes full-auto fire unpredictable? This muzzle brake addresses those pain points head-on. Its innovative design outperforms standard brakes, offering up to superior recoil mitigation that keeps your sights steady and your groups tight. Ideal for 6mm ARC rifles, it enhances control on a cartridge already known for low recoil, helping you spot impacts at extended ranges and maintain composure during high-volume shooting. Built to withstand rigorous use, it's the reliable choice for shooters demanding performance without compromise. Elevate your 6mm ARC setup today with the Lantac Dragon Plan B Long Muzzle Brake. Add it to your arsenal and feel the difference in every shot-precision, control, and confidence await. Frequently Asked Questions Is the Lantac Dragon Plan B compatible with 6mm ARC cartridges? Yes, this muzzle brake is specifically designed for 6mm ARC, ensuring optimal performance and safety with properly sized bore clearance. Do I need special tools for installation on 5/8x24 threads? Installation is straightforward with the included timing shims. We recommend using a semi-permanent thread locker like Rocksett for secure fitment. What's the benefit of a muzzle brake on a low-recoil 6mm cartridge? Even with 6mm's mild recoil, this brake further reduces muzzle rise for quicker target reacquisition and better visibility of bullet impacts at long distances.