The Otter Creek Labs Polonium 5.56 is a full-auto rated 5.56 suppressor made from H900 heat-treated 17-4 stainless steel.
Barrel Threading
Free NFA Gun Trust
Made In USA
Ship To Your Door
Barrel Threading
In the event you need you rifle barrel threaded to accept your new silencer, we will take care of that as well through our Threading Central. Learn More
Free NFA Gun Trust
We offer a free NFA Gun Trust (a $250 value) to all customers which essentially establishes a joint ownership scenario in which you can legally share your silencer with designated others (as well as determining who will inherit your silencer). This lets others use your silencer.
We do all the ATF paperwork which helps ensure you completed the gun trust correctly so ATF does not reject. We have completed over 15,000 silencer to gun trust transfers and counting! Learn More
Ship To Your Door
We have satellite locations in over 42 states which allows us to deliver your new silencer directly to your door.
We offer all the best brands and can help you choose the silencer that's right for you.
Let us handle the paperwork
We will manage the entire buying process for you, let you pay for your silencer in installments, and even set up a free NFA Gun Trust that allows others to use your silencer.
Enjoy front door delivery
Once approved, we will ship your new silencer directly to your door.
The Otter Creek Labs Polonium 5.56 is a quiet, duty-rated 5.56 suppressor made from H900 heat-treated 17-4 stainless steel and is a CNC-welded tubeless design. It has a 6mm bore that is also compatible with 6mm/.243 cartridges. The Polonium has a built-in internal and external flash hider that offers excellent flash reduction making it a great choice for use with night vision or shooting in low light conditions. It is full-auto rated.
The Polonium cans have a unique look from a design the was initially intended to remove excess material from the exterior to reduce weight. This design also creates a 10-percent increase in surface area to help cool the suppressor down faster
The Polonium 5.56 features industry standard universal 1.375×24 rear threads so you can pick what mounting system best fits your needs.
All silencers require the purchase of a $200 Federal Tax Stamp.
Length
5.8"
Diameter
1.625"
Weight
13.5 oz
Material
Stainless Steel
Brand
Otter Creek
caliber
.223/5.56 NATO
caliber range
6mm
color
Black
mount style
1/2x28
full-auto rated
Yes
lifetime warranty
Yes
Delivered to Your Door
Free NFA Gun Trust
99.9% ATF Approval Rate
If we mess up, we'll pay for another tax stamp.
EZ-Pay Option
Pay while you wait
Silencer Expert Assistance
We'll help you choose the best suppressor for you
On-Demand Customer Service
Free Shirt With Purchase
Barrel Threading Available
Pick It Up Yourself
No Free Gun Trust
ATF Paperwork Errors
If your paperwork has errors, you pay the price
Pay Then Wait
Pay everything up front
Spotty Assistance
Questionable advice on what suppressor fits your needs
The Rotex 556 Compact suppressor offers a perfect balance of sound suppression, flash reduction, and size, making it ideal for carbines with 11.5- to 14.5-inch barrels.
LIMITED TIME ONLY! Claim a free tax stamp ($206 value) with purchase. Use code STAMP at checkout.*
The newest addition to the BANISH® line of suppressors is the BANISH Speed K, a silencer designed with those in uniform in mind. The Speed K is a 4-inch 5.56 suppressor built from 100% Inconel, allowing it to be durable, maneuverable, and precise.
LIMITED TIME ONLY! Claim a free tax stamp ($206 value) with purchase. Use code STAMP at checkout.*
If you're looking for the ideal suppressor to pair with your carbine or rifle, then look no further than Wilson Combat's 5.56 Titanium QUELL suppressor. This sophisticated yet compact design is crafted from sturdy materials, making it capable of silencing even Magnum caliber rounds with ease.
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While many suppressors can be used on several different caliber firearms, we have some specific models that can make your shooting more enjoyable. Pick the caliber that you have in mind. If you don’t see your caliber, pick one close to it to see our recommendations.
