The Otter Creek Labs Polonium 30 is a compact, duty-rated suppressor designed for use with .308 Winchester / 7.62 NATO platforms. Built as a tubeless, welded assembly, it balances durability and reduced weight for multi-platform use. The Polonium 30 ships with a 5/8-24 direct thread adapter and a tube clamp for mounting flexibility.

Key Specifications

• Caliber is .308 / 7.62 NATO.
• Overall length is 5.8 inches.
• Weight is 13.5 ounces (measured without mount).
• Outside diameter is 1.625 inches.
• Thread pattern is 5/8-24, and a 5/8-24 direct thread adapter is included.
• Material is H900 heat-treated 17-4 stainless steel in a CNC welded tubeless design.
• Finish is Cerakote with a Black Nitride appearance.
• The unit is full-auto rated.
• Included in the box are a suppressor, stickers, instruction pamphlet, 5/8-24 direct thread adapter, and a tube clamp.

Engineered for users seeking a durable, adaptable suppressor with a compact profile, the Polonium 30 provides a balance of weight, cooling surface area, and mounting options for a range of 7.62/.308 rifle setups. Its tubeless stainless construction and included mounting hardware make it a practical choice for shooters who need a versatile, duty-capable suppressor without unnecessary complexity.