REARDEN SPB MUZZLE BRAKE 1/2×28 SQUARE | NITRIDE
REARDEN SPB MUZZLE BRAKE with 1/2×28 square shoulder threads, black nitride 17-4 PH H900 steel, Atlas XL fit, and Plan B support.
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Description
REARDEN SPB MUZZLE BRAKE Features
The Rearden SPB Muzzle Brake is a suppressor-compatible muzzle device designed for 1/2x28 square shoulder barrels. It functions as a compact muzzle brake while also serving as a mounting interface for Rearden Atlas, Atlas XL, and Q Plan B compatible suppressor systems. This makes it a practical option for shooters building a compact suppressor-ready setup with Plan B style mounting compatibility.
The 17-4 PH H900 stainless steel construction gives the brake strong durability for repeated firing, suppressor mounting, and regular field or range use. In addition, the black nitride coating provides corrosion resistance and a hardened surface for long-term wear protection. The square shoulder design supports proper seating against compatible barrel shoulders, while the .375 caliber bore provides broad clearance for compatible host and suppressor combinations. The standard Atlas adapter may experience overrun, while the Atlas XL adapter is designed to avoid overrun with this muzzle device. Proper installation should include clean threads and tapers, correct torque, Rocksett, and alignment verification with an alignment rod.
Specifications
Manufacturer: Rearden
Model: SPB Muzzle Brake
Component Type: Muzzle Brake / Suppressor Mount
Thread Pattern: 1/2x28
Shoulder Type: Square
Suppressor Mount Compatibility: Rearden Atlas, Atlas XL, and Q Plan B
Material: 17-4 PH H900 Stainless Steel
Finish Type: Black Nitride
Surface Hardness: 67 HRC
Bore Compatibility: .375 Caliber
Installation Note: Proper torque, Rocksett, clean mounting surfaces, and alignment verification recommended
Additional Notable Specs: Atlas adapter may overrun by approximately 1.05 inches; Atlas XL adapter does not overrun
Specifications
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