Otter Creek Labs Polonium 5.56 Suppressor

The Otter Creek Labs Polonium is a quiet, duty-rated, hard-use 5.56 suppressor. Its 6mm bore also handles 6mm/.243 cartridges. It features a built-in internal/external flash hider and universal 1.375x24 rear threads (HUB) so you can run the mount of your choice. External weight reduction gives 10% more surface area for faster cooling.

Specifications

• Caliber: 5.56 NATO (6mm bore — also 6mm/.243 cartridges)
• Length: 5.8" (no mount)
• Weight: 13.5 oz (no mount)
• Diameter: 1.625"
• Material: H900 heat treated 17-4 stainless steel, tubeless design
• Finish: Black Cerakote
• Mount: 1.375x24 HUB rear threads — includes 1/2x28 direct thread adapter
• Sound: 137 dB on 11.5" 5.56 SBR
• Ratings: Full auto rated; responsible belt fed rated on 16" 5.56
• Barrel restrictions: 10.3" min for 5.56/.223, 11.5" for 6 ARC, 14.5" for 6mm cartridges
• Warranty: OCL lifetime warranty
• Includes: suppressor, 1/2x28 direct thread adapter, tube clamp, instruction pamphlet, stickers

Texas-resident buyers can take this suppressor home the same day under the current ATF guidance (see our homepage article).