Otter Creek Labs Polonium-30 multi-caliber suppressor with black Cerakote finish, 17-4 stainless steel construction, HUB-compatible mounting, and flash-hiding end cap.

Otter Creek Labs Polonium-30 Multi-Caliber Suppressor 5.8" Black

Otter Creek Labs
SKU:
101-30275
$532.00
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Description

Otter Creek Labs Polonium-30 Multi-Caliber Suppressor

The Otter Creek Labs Polonium-30 expands the proven Polonium suppressor family with broad multi-caliber compatibility ranging from 5.56 NATO through .300 Norma Magnum. Designed for shooters who need one durable suppressor for multiple rifle platforms, the Polonium-30 balances compact dimensions, dependable sound reduction, and rugged construction for demanding range, hunting, and professional applications.

Measuring just 5.8 inches long and weighing 13.5 ounces, the Polonium-30 keeps added length and front-end weight manageable. Its 17-4 stainless steel construction is engineered to withstand hard use and high-volume firing schedules, while the ribbed exterior profile increases surface area to support more efficient heat dissipation.

The suppressor uses the industry-standard 1.375x24 HUB mounting interface, giving owners the flexibility to choose from a wide variety of compatible direct-thread and quick-detach mounting systems. A 5/8x24 direct-thread adapter is included, allowing the suppressor to be installed on many common .30-caliber rifle barrels right out of the box.

A flash-reducing end cap helps limit visible muzzle flash during low-light shooting, while the full-auto rating makes the Polonium-30 well suited for demanding semiautomatic and select-fire platforms when used within the manufacturer's barrel-length and firing restrictions.

Key Features

  • Multi-caliber compatibility from 5.56 NATO through .300 Norma Magnum
  • Compact 5.8-inch overall length
  • Lightweight 13.5-ounce design
  • Durable 17-4 stainless steel construction
  • Full-auto rated
  • 1.375x24 HUB-compatible mounting interface
  • Compatible with direct-thread and QD mounting systems
  • Flash-reducing end cap for improved low-light performance
  • Ribbed exterior profile supports heat dissipation
  • Black Cerakote finish
  • Includes 5/8x24 direct-thread adapter
  • Includes tube clamp and owner's manual

Barrel-Length Restrictions

5.56 NATO / .223 Remington 7.5" Minimum Barrel
7.62x39mm 7.5" Minimum Barrel
6mm ARC 10.5" Minimum Barrel
6.5 Grendel 10.5" Minimum Barrel
.308 Winchester 12.5" Minimum Barrel
6.5 Creedmoor 12.5" Minimum Barrel
6mm Creedmoor 12.5" Minimum Barrel
.243 Winchester 12.5" Minimum Barrel
.300 Winchester Magnum 16" Minimum Barrel
7mm Remington Magnum 16" Minimum Barrel
.300 PRC 16" Minimum Barrel
.300 RUM 18" Minimum Barrel
.300 Norma Magnum 18" Minimum Barrel

Specifications

Manufacturer Otter Creek Labs
Model Polonium-30
Type Multi-Caliber Rifle Suppressor
Caliber Compatibility 5.56 NATO through .300 Norma Magnum
Material 17-4 Stainless Steel
Finish Black Cerakote
Length 5.8"
Diameter 1.625"
Weight 13.5 oz
Mounting Interface 1.375x24 HUB Compatible
Included Mount 5/8x24 Direct-Thread Adapter
Full-Auto Rated Yes
End Cap Flash Reducing

What's Included

  • Otter Creek Labs Polonium-30 suppressor
  • 5/8x24 direct-thread adapter
  • Tube clamp
  • Owner's manual

Why Choose the Otter Creek Labs Polonium-30?

The Polonium-30 is an excellent choice for shooters who want one compact suppressor that can move between a wide range of rifle platforms. Its HUB-compatible mounting system, durable stainless steel construction, full-auto rating, and generous caliber range make it equally useful on short-barreled ARs, general-purpose carbines, hunting rifles, and magnum bolt guns. For shooters seeking versatility without excessive size or weight, the Polonium-30 offers a practical combination of durability, flexibility, and performance.

Always follow the manufacturer's caliber, barrel-length, mounting, and firing-schedule requirements.