The Otter Creek Labs Polonium-30 is engineered to provide outstanding sound suppression across a wide range of .30 caliber rifle platforms while maintaining the compact size and durability that have made the Polonium series highly regarded among shooters. Built using a fully welded tubeless design, the suppressor is manufactured from H900 heat-treated 17-4 stainless steel for exceptional strength and long service life.
Designed around the industry-standard 1.375×24 HUB mounting interface, the Polonium-30 allows shooters to configure the suppressor with a wide variety of compatible direct-thread and quick-detach mounting systems. Its compact dimensions provide excellent maneuverability while delivering impressive suppression on cartridges ranging from .223 Remington and 5.56 NATO to .308 Winchester and other compatible .30 caliber cartridges.
The suppressor is fully welded and full-auto rated, making it well suited for hunting rifles, precision rifles, AR platforms, and hard-use training carbines. Its durable construction and efficient baffle design help reduce muzzle blast while maintaining excellent performance across multiple firearm platforms.
Built for shooters demanding durable reliability and versatile suppression performance, the Polonium-30 offers premium performance in a compact and rugged package.
Key Features
- Multi-caliber .30 caliber suppressor
- H900 heat-treated 17-4 stainless steel construction
- Tubeless fully welded design
- 1.375×24 HUB-compatible mounting interface
- Full-auto rated
- Compact overall length
- Made in the USA
Manufacturer Specifications
Caliber Rating: Up to .30 Caliber
Model: Polonium-30
Construction: H900 Heat-Treated 17-4 Stainless Steel
Design: Tubeless Welded
Length: 5.8″ (Suppressor Only)
Diameter: 1.625″
Weight: 13.9 oz (Suppressor Only)
Mount Interface: 1.375×24 HUB Compatible
Finish: Black Nitride
Full-Auto Rated: Yes
Manufacturer: Otter Creek Labs
FAQ
What calibers can the Polonium-30 suppress?
It is designed for a wide variety of .30 caliber rifle cartridges and is also compatible with smaller calibers such as 5.56 NATO and .223 Remington.
Is the Polonium-30 HUB compatible?
Yes, it utilizes the industry-standard 1.375×24 HUB mounting interface.
Is the suppressor full-auto rated?
Yes, the Polonium-30 is rated for full-auto use.
What material is it constructed from?
It is manufactured from H900 heat-treated 17-4 stainless steel.
Is the suppressor made in the USA?
Yes, it is proudly manufactured in the United States.
Brought to you by Black Bayou Armory.






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