Otter Creek Labs Polonium 5.56 BLACK Suppressor

Lightweight. Duty-Tough. Precision-Built.

The Polonium 5.56 BLACK is a high-performance suppressor built specifically for 5.56 NATO platforms, with a focus on reduced backpressure, superior flash suppression, and extreme durability. Constructed from fully-welded stainless steel and finished in black nitride, it’s designed to excel on short-barreled rifles and high-rate-of-fire systems.

This suppressor uses Otter Creek Labs' advanced baffle geometry to deliver excellent sound suppression with minimal impact on reliability and point of aim. HUB-compatible (1.375x24), it integrates seamlessly with a wide range of mounts and systems.

Key Features:

• Caliber: 5.56 NATO
• Full-auto rated
• Fully-welded stainless steel construction
• Black nitride finish for corrosion and heat resistance
• Industry-standard HUB (1.375x24) rear threading
• Optimized for SBRs, MK18s, and duty rifles
• Minimal backpressure, strong flash reduction

Serious suppression for serious shooters.
The Polonium 5.56 BLACK delivers mission-ready performance in a compact, no-compromise package.