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Otter Creek Labs Polonium K
California Proposition 65 Warning

This product can expose you to chemicals including lead, known to cause cancer and birth defects. For more info visit P65Warnings.ca.gov.

Otter Creek Labs

Polonium K

$540.00
$522.00
Sale Price
Available California compliant

Otter Creek Labs Polonium, K, Rifle Suppressor, 5.56 NATO, Threaded 1.375X24, Stainless Steel Construction, Cerakote Finish, Black, Includes 1/2X28 Direct Thread Mount (Mount Color May Vary) POLK

Key Details
Brand Otter Creek Labs
Manufacturer Part Number POLK
UPC 664533654156
SKU OCLPOLK
Current Stock 71 available
Quantity Updated Jun 13, 2026 5:42 PM
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Purchase Requirements
  • Final availability is confirmed at checkout.
In-Store Pickup Required: All firearm purchases must be picked up at our Beverly Hills location after background check completion.
Product Description

The polonium is made to be a quiet, duty rated, hard use, 5.56 suppressor. Just as much at home on a mk18 getting hammered with heavy strings of fire as it is on a DMR/SPR set up where ultimate suppression is the goal. The unique look comes from external weight reduction, removing all unnecessary material to keep the weight down but still as strong as possible - this results in a suppressor that has 10% more surface area and a lower weight that sheds heat faster and cools down quicker. The polonium is made in both standard and K configuration. While the K version is slightly louder it is also: lighter, shorter and lower back pressure. The polonium uses a 6mm bore that is compatible with any 6mm/.243 cartridges. The highly effective built in internal and external flash hider offer superior flash and signature reduction over the competition when using night vision. The Polonium features industry standard universal 1.375x24 rear threads so you can pick what mounting system best fits your needs.

Features
  • Length: 4.8, Weight: 11.5 oz, OD: 1.625""
  • Made from H900 heat treated 17-4 stainless steel
  • 1/2×28 direct thread adapter & Tube clamp for installing mounts
  • Cerakote Finish, Black
  • Full Auto Rated
Specifications
UPC: 664533654156
Manufacturer: Otter Creek Labs
Manufacturer Part #: POLK
Model: Polonium K
Finish: Cerakote