Big Hoss Machine Plan B-Compatible Closed Tine Flash Hider – Black Nitride
The Big Hoss Machine Plan B-Compatible Closed Tine Flash Hider is built for shooters who want flash suppression, durable construction, and compatibility with the Plan B mount ecosystem in one streamlined muzzle device. Made from H900 heat-treated 17-4 stainless steel and finished with a salt-bath nitride, it is designed for hard use while maintaining strong corrosion resistance and long-term durability. This variant listing includes all available thread options in the nitride finish, giving builders flexibility across several rifle platforms while keeping the same closed-tine design and Plan B-compatible outer thread pattern.
Features
- Closed tine flash hider 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 hard-use durability and reduced visible flash
Specifications
- Material: 17-4 stainless steel
- Heat Treatment: H900
- Coating: Salt bath nitride
- Overall Length: 1.92 in.
- Length Past Taper Seal: 1.0 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









