Product Description
The Rearden SPB muzzle brake is a precision-machined, nitride-finished muzzle device designed for .280 bore firearms with 1/2-28 threads. Manufactured from 17-4 PH H900 steel and treated with a durable black nitride finish, it offers excellent surface hardness and wear resistance for hard use. The SPB is compatible with Atlas, Atlas XL, and Plan B mounting systems, making it a strong choice for builders who want a robust brake that integrates into modern suppressor-adapter ecosystems.
Product Highlights
- 17-4 PH H900 steel construction for strength and durability
- Black nitride finish with high surface hardness (67 HRC) for enhanced wear resistance
- .280 bore with 1/2-28 thread pitch for proper fitment on compatible barrels
- Atlas, Atlas XL, and Plan B compatible for flexible setup options
- Atlas adapter overrun approximately 1.050 inches; Atlas XL adapter no overrun
Specs
- Brand: Rearden
- Product Type: Muzzle Brake
- Model: SPB
- Bore Size: .280
- Thread Pitch: 1/2-28
- Material: 17-4 PH H900 steel
- Finish: Black Nitride
- Surface Hardness: 67 HRC (surface)
- Compatibility: Atlas / Atlas XL / Plan B
- Adapter Overrun: Atlas approx. 1.050 in; Atlas XL no overrun
- Manufacturer Part Number: 10005
- UPC: 850035804049
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