Otter Creek Labs Polonium K 5.56

Otter Creek Labs Polonium K Features The Polonium K is engineered from heat treated 17-4 stainless steel which allows it to maintain structural integrity under high pressure and sustained firing schedules. Its compact 4.8 inch profile and 1.625 inch outer diameter create a suppressor that balances maneuverability with effective noise reduction for carbine and rifle use. The included 1/2x28 direct thread adapter ensures compatibility with standard 5.56 platforms while maintaining secure mounting. This model is full auto rated when used on 16 inch 5.56 belt fed machine guns with a recommended limit of 300 round strings. A tube clamp is included to support proper installation of mounts and accessories along with an instruction and specifications pamphlet for clear guidance. Barrel restrictions begin at 7.5 inches which allows for flexibility across shorter systems while maintaining safe operating margins. Otter Creek Labs Polonium K Specifications Manufacturer: Otter Creek Labs Model: Polonium K Type: Rifle Suppressor Caliber: 5.56 NATO Mounting Thread: 1.375x24 Material: H900 Heat Treated 17-4 Stainless Steel Finish: Cerakote Black Length: 4.8 in Weight: 11.5 oz Outer Diameter: 1.625 in Barrel Restrictions: Minimum 7.5 in Full Auto Rating: Suitable for 16 in 5.56 belt fed with 300 round string limit Includes: Instruction and specs pamphlet 1/2x28 direct thread adapter Tube clamp for mounting