Elmo's Firearms

Otter Creek Labs Polonium – 5.56 Suppressor
The Polonium Suppressor from Otter Creek Labs is engineered to be one of the most effective 5.56 suppressors on the market. Built for AR-15 and 5.56 NATO platforms, it combines advanced baffle design with precision machining for reduced sound signature and superior accuracy retention.



Designed for durability, the Polonium is constructed to handle high-volume shooting while maintaining point-of-impact repeatability. Its compact design keeps rifles balanced, while delivering the quiet performance serious shooters demand.

KEY FEATURES & BENEFITS
Multi-Cal Friendly: Ideal for 5.56, also supports 6mm hosts
Integrated flash hider keeps down muzzle flash
Optimized baffle design for reduced sound signature
Maintains accuracy and repeatability across sessions
Made in the USA by Otter Creek Labs
TECHNICAL SPECIFICATIONS
Length: 5.8"
Weight: Weight: 13.5 oz
Diameter: Diameter: 1.625"
Build Material: 17-4 Stainless Steel
Finish: Cerakote
Full Auto Rated: Yes
Barrel Restrictions:
7.5” – 5.56/223
10.5” – 6 ARC
12.5” - 6 Creedmoor, 6 Dasher, 243 Winchester and other 6mm cartridges