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Lantac Dragon Plan B Long 338 ARC 5/8-24 Muzzle Brake
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30 CAL (6.5, 7.62/.308, 300BLK, .338, 300WM)
5/8X24 to Plan B Thread
Includes Timing Shim Set
Short Energy Pulse System
Specifications
Description
The Lantac Dragon Plan B Long is a muzzle brake for AR-15 rifles chambered in 338 ARC, designed to reduce recoil and muzzle rise. It uses a Short Energy Pulse design intended to shorten the recoil impulse so that shot energy does not overlap, and it is also noted for mounting the Plan-B HUB.
The brake is machined from AISI 4140 steel, hardened to approximately 55 HRC, and finished with QPQ (Quench Polish Quench) nitriding to AMS2753D standards for corrosion resistance. It is black in color and threads onto a 5/8-24 barrel.
The package includes a timing shim set. Lantac recommends following the shooting guidance supplied with the Plan-B HUB.
- Type: Muzzle brake
- Platform: AR-15
- Caliber: 338 ARC
- Thread pitch: 5/8-24
- Material: AISI 4140 steel
- Hardness: approximately 55 HRC
- Finish: QPQ nitrided, black
- Included: Timing shim set






