The Otter Creek Labs Polonium 30 (.308/7.62) is a 5.8″ tubeless, welded suppressor built from H900 heat treated 17-4 stainless steel. Weighing 13.5 oz (no mount) and using a 5/8-24 direct thread, it includes a DT adapter and tube clamp.
The Otter Creek Labs Polonium 30 (POLO762) is a .308/7.62 NATO-rated suppressor sized to serve across multiple rifle platforms. It uses a CNC welded tubeless construction in H900 heat treated 17-4 stainless steel and measures 5.8 inches in overall length. The unit ships with a 5/8-24 direct-thread adapter and a tube clamp for changing mounts.
Product Specifications
The caliber is .308 / 7.62 NATO.
The length measures 5.8 inches.
The outer diameter is 1.625 inches.
The unit weight is 13.5 ounces (measured without a mount).
The material is H900 heat treated 17-4 stainless steel.
The muzzle thread pattern is 5/8-24 (direct thread).
The suppressor uses a CNC welded tubeless construction.
The rear mount uses industry-standard 1.375×24 rear threads to accept a variety of mounting systems.
The design includes both internal and external integrated flash-hider features to reduce visible signature with NV use: integrated flash-hider.
The design emphasizes external weight reduction for increased surface area and faster cooling: reduced external material / increased surface area.
This model is rated for full-auto use: Yes.
What’s included in the box: suppressor, stickers, instruction pamphlet, 5/8-24 direct-thread adapter, and tube clamp.
Model name is Polonium 30.
Manufacturer part number is POLO762.
UPC: 664533654194.
The Polonium 30 is built as a practical, serviceable suppressor intended to work across a range of centerfire rifle platforms. Its tubeless welded construction and reduced external mass provide a balance of strength and quicker heat dissipation while the universal rear-thread design allows choice of mounting systems. Typical use cases include precision/DMR-style setups and general centerfire range applications where a single, durable suppressor is preferred for multiple rifles.
Users have praised the Polonium 30 for its durability and value, and have noted its lighter-than-expected weight and effective heat-shedding design.
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