Otter Creek Labs Polonium K Rifle Suppressor

The Polonium K has won the hearts and mind of many silencer enthusiasts. For its size and price, it is a force to be reconned with. The Polonium K exists as a lower backpressure a alterative to its bigger brother that still has the sound performance to wow on an 10.3" mk18 to a 16" SPR host gun.

Key Features:

• Caliber: 556 NATO
• Thread: 1.375x24
• Material: H900 Heat Treated 17-4 Stainless Steel
• Finish: Cerakote, Black
• Length: 4.8"
• Weight: 11.5 oz
• OD: 1.625"

Designed for Heavy Use

The Polonium K is a hard-use, duty-rated, 5.56 suppressor, perfect for both rapid-fire mk18 setups and DMR/SPR configurations where ultimate suppression is the goal. Its unique design features external weight reduction for optimal strength and heat dissipation, making it 10% lighter and faster-cooling than competing suppressors.

Compatibility and Mounting

With a 6mm bore, the Polonium K is compatible with any 6mm/.243 cartridges. The suppressor also features industry-standard 1.375x24 rear threads, allowing you to choose the mounting system that best fits your needs.

Superior Flash and Signature Reduction

Equipped with a highly effective built-in internal and external flash hider, the Polonium K outperforms competitors in flash and signature reduction, making it ideal for use with night vision equipment.

Barrel Length and Firing Schedule Restrictions:

• 10.3" – 5.56/223
• 11.5" – 6 ARC
• 14.5" – 6 Creedmoor, 6 Dasher, 243 Winchester, and other 6mm cartridges

Full Auto and Lifetime Warranty

The Polonium K is fully automatic-rated, even for use with 16" 5.56mm belt-fed machine guns, and is backed by a no-nonsense lifetime warranty.

What's Included in the Box?

• Suppressor
• Stickers
• Instruction and Specs Pamphlet
• 1/2x28 Direct Thread Adapter
• Tube Clamp for Installing Mounts