Viper Brake 6.5 Caliber 5/8-24 Black

The Lancer Viper Brake 6.5 Caliber 5/8-24 in black is a muzzle brake engineered for shooters running 6.5mm rifles who want to tame recoil and muzzle rise. Built around a blast chamber with four jets positioned at the top of the brake, this design redirects muzzle gases downward to counteract the upward kick that throws off follow-up shots and sight picture. Whether you're stretching distance on a 6.5 Creedmoor, 6.5 PRC, or another 6.5 cartridge, a quality brake makes a real difference in rifle control—and the Viper gives you tools to dial in that control.

What sets the Viper apart is the tuning flexibility: the brake ships with six interchangeable jet nozzles in different sizes, so you can fine-tune how much gas the brake vents and how hard it works. That means you're not locked into one recoil profile; you can experiment to find the sweet spot between recoil reduction, muzzle blast signature, and shooter comfort. All the nozzles work with the same brake body, so you're buying a platform you can adapt as your setup or preferences change.

The 5/8x24 TPI threading is the standard on most modern rifle muzzles, and a crush washer is included for straightforward installation. Finished in black for a clean look that matches most tactical and hunting builds, the Viper is machined steel ready for field or range use.

Key Features

• Four-jet design with top positioning to reduce recoil impulse and muzzle rise
• Six interchangeable jet nozzles for customizable recoil and blast management
• 5/8x24 TPI threading fits most modern rifle muzzles
• Black finish
• Crush washer included for installation

Specifications

Frequently Asked Questions

What rifles does the Viper 6.5 fit?

Any rifle with a 5/8x24 TPI muzzle thread. This includes most modern bolt-action rifles chambered in 6.5 Creedmoor, 6.5 PRC, 6.5-284 Norma, and other 6.5mm cartridges, as well as many AR-platform rifles in 6.5 Grendel and other 6.5 calibers with that threading.

How do I know which jet nozzle to use?

The six included nozzles have different-size openings. Larger openings meter more gas and deliver stronger recoil reduction; smaller openings reduce muzzle blast signature. Start with one and evaluate recoil and muzzle rise, then swap nozzles to find the balance that works best for your rifle and shooting style.

Is installation difficult?

No. Screw the brake onto the muzzle with the crush washer included in the package. Ensure it's tightened firmly so it doesn't rotate during firing. If your muzzle is not already threaded, a gunsmith will need to cut the 5/8x24 threads.

Can I use this brake on a suppressed rifle?

The brake is designed to work on a muzzle. If you plan to run a suppressor, consult your suppressor manufacturer or a gunsmith to confirm compatibility, as some setups require different thread adapters or configurations.