Big Hoss Machine Plan B-Compatible Triple Port Brake – Black Nitride
The Big Hoss Machine Plan B-Compatible Triple Port Brake is built for shooters who want strong recoil control, durable construction, and compatibility with the Plan B mount ecosystem. Made from H900 heat-treated 17-4 stainless steel and finished with a salt-bath nitride, it is designed for hard use while maintaining corrosion resistance and long-term durability. Three thread options give builders flexibility across multiple rifle platforms while keeping the same triple-port brake design and Plan B-compatible outer thread pattern.
Features
- Triple-port brake design
- Compatible with the Plan B mount ecosystem
- H900 heat-treated 17-4 stainless steel construction
- Salt bath nitride finish
- Offered in multiple thread pattern variants
- Built for recoil reduction and hard-use durability
Specifications
- Material: 17-4 stainless steel
- Heat Treatment: H900
- Coating: Salt bath nitride
- Overall Length: 2.17 in.
- Length Past Taper Seal: 1.23 in.
- Outer Threads: 0.90 x 24 TPI
- Thread Options:
- 1/2×28, shoulder mount, 0.285 in. bore
- 5/8×24, face and shoulder mount, 0.375 in. bore
- 14x1mm LH, face and shoulder mount, 0.375 in. bore









