Otter Creek Labs Polonium

The Otter Creek Labs Polonium is a compact, high-performance 5.56 suppressor engineered for durability, precision, and reduced back pressure. Designed for shooters who demand both accuracy and rugged reliability, the Polonium offers impressive sound reduction with minimal blowback, making it ideal for use on gas-operated rifles.

Constructed from H900 heat-treated 17-4 stainless steel, this suppressor is full-auto rated and optimized for extended service life under harsh conditions. Its advanced internal geometry enhances gas flow and minimizes carbon buildup, maintaining consistent performance over time.

The Polonium is compatible with standard 1.375×24 HUB mounts, giving users flexibility with various mounting systems such as KeyMo, Xeno, and direct thread options. This modularity makes it a versatile choice for AR-15 platforms and other 5.56 NATO or .223 caliber rifles.

Key Features & Specifications

• Caliber: 5.56 NATO / .223 Remington

• Material: H900 heat-treated 17-4 stainless steel

• Finish: High-temperature Cerakote

• Mount: 1.375×24 HUB compatible

• Full-auto rated for extreme durability

• Reduced blowback for cleaner cycling and improved shooter comfort

• Length: 5.8 inches

• Weight: Approx. 14.5 ounces

• Designed and manufactured in the USA

The Otter Creek Labs Polonium Suppressor delivers a perfect balance of strength, quiet performance, and low maintenance. Whether for professional duty use or precision range applications, it provides superior noise reduction and long-term reliability.