Otter Creek Labs Polonium 30 .30 Cal Suppressor - 5/8x24 Direct Thread Adapter
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Goes to a Class 3 dealer
Needs an ATF Form 4, a $200 tax stamp and an approval wait. The dealer's fee is on top.
Otter Creek Labs
Overview
The Otter Creek Labs Polonium 30 suppressor is designed for .308 Win caliber firearms and features a direct thread mount type, ensuring a secure and reliable connection to your rifle's muzzle. This suppressor effectively reduces the noise signature of your shots while maintaining the performance and accuracy of your build. It's commonly found in precision rifles intended for both hunting and competitive shooting applications.
Specifications
Otter Creek Labs Polonium 30 .30 Cal Suppressor - 5/8x24 Direct Thread Adapter
August 2026 on GunPartPicker
Otter Creek Labs Polonium 30 .30 Cal Suppressor - 5/8x24 Direct Thread Adapter ranked #26 of the 179 suppressors builders added on GunPartPicker in August 2026. Builders have been adding it to their builds on GunPartPicker since February 2026. All time, it ranks #24 of the 385 suppressors builders have added. Builds with this suppressor are split between 300 Blackout (33%) and 5.56 NATO (33%), nearly all on carbine-length gas, and nearly all AR-15.
It was in stock most days in August 2026, and today 2 of the 3 retailers we track have it in stock. Prices barely moved in August 2026, holding around $532, so there haven't been real sales lately. Buying today, the lowest price is $532 at BattleHawk Armory, which matches the best price we saw in August.
Updated · from real builds on GunPartPicker · Prices checked · refreshed daily across 35 retailers
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Frequently Built With
The part most often added in each category by the 24 builds that include this one
CMMG MK4 .300BLK Banshee Upper Group Receiver 8in 1-7 Twist 5/8 X 24 TPI 16.5in Armor Black
PSA PA15 MOE EPT Complete Lower w/ SBA5 Brace, FDE
KAK Industry K Spec Enhanced Bolt Carrier Group For AR 15 5.56.300 Blackout Full Chrome
Holosun ARO Red Dot Sight Gold 2 MOA Dot with Picatinny Mount Matte Black
Breek Arms Sledgehammer Omni-Buster LE/MIL Charging Handle AR-15 Black
MAGPUL M-LOK AFG ANGLED FOREGRIP
Build Configuration Breakdown
Aggregated and anonymized data showing how builders use this product
CaliberBased on real build data showing which calibers builders choose alongside this product.
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