Otter Creek Labs152829017
Otter Creek Labs Polonium 5.56 - Silencer 1/2X28 Fde$532.00
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Availability: In Stock
Current Stock: Out of stock
The Otter Creek Labs Polonium 5.56 silencer is a purpose-built 1/2x28 suppressor designed for shooters who need serious sound reduction without compromise on durability or heat management. Built from H900 heat-treated 17-4 stainless steel using a CNC welded tubeless construction, this is a hard-use suppressor that's engineered to handle the demands of tactical training, duty use, and high-round-count shooting. The Polonium isn't built on marketing hype or inflated decibel numbers—its reputation is earned through real-world performance and proven reliability in the field.
The 6mm bore accepts 5.56 NATO and is also compatible with 6mm/.243 cartridges, giving you flexibility across multiple platforms. The integrated flash hider—both internal and external—delivers superior flash reduction whether you're running night vision or shooting in low-light conditions where muzzle flash signature matters. That distinctive external profile isn't just for looks: the weight-reduction design removes unnecessary material while maintaining structural strength, and the result is 10% more surface area (depending on length) for faster heat dissipation and quicker cooldown between strings of fire.
At 5.8 inches long and 13.5 ounces, the Polonium strikes a practical balance for rifles where balance and handling remain important. The rear mounting system uses industry-standard 1.375x24 universal threads, so you can choose the mounting solution that best fits your setup. The 1/2x28 direct-thread adapter comes in the box alongside a tube clamp for easy mount changes and installation.
| Length | 5.8 inches |
| Weight | 13.5 ounces (without mount) |
| Outer Diameter | 1.625 inches |
| Bore Size | 6mm |
| Front Thread | 1/2x28 direct thread |
| Rear Thread | 1.375x24 universal |
| Material | H900 heat-treated 17-4 stainless steel |
| Construction | CNC welded tubeless design |
The 6mm bore is rated for 5.56 NATO and is also compatible with 6mm/.243 cartridges, giving you multi-caliber flexibility across rifle platforms.
The Polonium uses industry-standard 1.375x24 universal rear threads, so you can choose from a range of aftermarket mounts to fit your setup. A 1/2x28 direct-thread adapter is included in the box for immediate installation.
The package includes the suppressor, a 1/2x28 direct-thread adapter, a tube clamp for easy mount changes and installation, instruction pamphlet, and stickers.
The integrated internal and external flash hider is specifically designed for superior flash reduction when using night vision equipment or shooting in low-light conditions, making it effective for duty and tactical applications.
SKU: 152829032 • Depth: 5.8in
Availability: In Stock
Current Stock: Out of stock
The Otter Creek Labs Polonium 5.56 silencer is a purpose-built 1/2x28 suppressor designed for shooters who need serious sound reduction without compromise on durability or heat management. Built from H900 heat-treated 17-4 stainless steel using a CNC welded tubeless construction, this is a hard-use suppressor that's engineered to handle the demands of tactical training, duty use, and high-round-count shooting. The Polonium isn't built on marketing hype or inflated decibel numbers—its reputation is earned through real-world performance and proven reliability in the field.
The 6mm bore accepts 5.56 NATO and is also compatible with 6mm/.243 cartridges, giving you flexibility across multiple platforms. The integrated flash hider—both internal and external—delivers superior flash reduction whether you're running night vision or shooting in low-light conditions where muzzle flash signature matters. That distinctive external profile isn't just for looks: the weight-reduction design removes unnecessary material while maintaining structural strength, and the result is 10% more surface area (depending on length) for faster heat dissipation and quicker cooldown between strings of fire.
At 5.8 inches long and 13.5 ounces, the Polonium strikes a practical balance for rifles where balance and handling remain important. The rear mounting system uses industry-standard 1.375x24 universal threads, so you can choose the mounting solution that best fits your setup. The 1/2x28 direct-thread adapter comes in the box alongside a tube clamp for easy mount changes and installation.
| Length | 5.8 inches |
| Weight | 13.5 ounces (without mount) |
| Outer Diameter | 1.625 inches |
| Bore Size | 6mm |
| Front Thread | 1/2x28 direct thread |
| Rear Thread | 1.375x24 universal |
| Material | H900 heat-treated 17-4 stainless steel |
| Construction | CNC welded tubeless design |
The 6mm bore is rated for 5.56 NATO and is also compatible with 6mm/.243 cartridges, giving you multi-caliber flexibility across rifle platforms.
The Polonium uses industry-standard 1.375x24 universal rear threads, so you can choose from a range of aftermarket mounts to fit your setup. A 1/2x28 direct-thread adapter is included in the box for immediate installation.
The package includes the suppressor, a 1/2x28 direct-thread adapter, a tube clamp for easy mount changes and installation, instruction pamphlet, and stickers.
The integrated internal and external flash hider is specifically designed for superior flash reduction when using night vision equipment or shooting in low-light conditions, making it effective for duty and tactical applications.
SKU: 152829032 • Depth: 5.8in