The Lantac Dragon KeyMo Muzzle Brake (brand part no. DGNAK47B-DA) is a 7.62x39mm muzzle device machined from hardened milspec steel and finished in black nitride QPQ for long-term corrosion resistance. Lantac USA cuts the Dragon with 14x1mm left-hand threads to serve as a direct-thread mounting solution compatible with Dead Air KeyMo suppressors, giving shooters a durable brake that doubles as a quick-swap suppressor interface. Each unit is serial numbered for quality control and made in the USA, and it is not a flash hider, keeping it legal for California sales.

Key Specifications

• Chambered for 7.62x39mm.
• Machined from hardened milspec steel for durability under repeated firing.
• Finished in black nitride QPQ for corrosion resistance.
• Cut with 14x1mm left-hand threads for direct mounting.
• Compatible with Dead Air KeyMo suppressors for quick mounting.
• Measures 2.66 inches in length with an 0.866-inch body diameter and 0.900-inch fin diameter.
• Weighs approximately 2.8 ounces.
• Serial numbered for quality control and made in the USA.
• Not classified as a flash hider, keeping it California-legal.
• Includes a crush washer for proper installation.

Frequently Asked Questions

What caliber is this muzzle brake rated for? 7.62x39mm.

Is this compatible with a suppressor? Yes, it works with Dead Air KeyMo suppressors as a direct-thread mounting solution.

Is this legal in California? Yes, it is not classified as a flash hider.

Buy the Lantac Dragon KeyMo Muzzle Brake

Add a durable, suppressor-ready muzzle brake to your 7.62x39mm build. Order it from our AR muzzle devices selection at our Lubbock, Texas gun shop for fast, direct shipping.