M
mr_ADS2026worth it
Reviewed on May 6, 2026Verified with Build
10/10
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Otter Creek Polonium K 556 Rifle Suppressor - Black
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Otter Creek Labs
Overview
The Otter Creek Polonium K 556 Rifle Suppressor is designed specifically for 5.56 NATO caliber firearms, providing a significant reduction in noise and muzzle rise. Its sleek black finish not only adds a tactical aesthetic but also offers durability in various shooting conditions. This suppressor is commonly found on builds with a carbine gas system, making it a popular choice for those looking to enhance their AR-15 performance while maintaining compactness and ease of use.
Specifications
MPNPOLK
Caliber5.56 NATO
ColorBlack
Frequently Built With
Based on build data
Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock
Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger
EOTech XPS2 Holographic Sight, Tan - XPS2-0TAN
Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension
Streamlight ProTac Rail Mount HL-X 1000 Lumen Weapon Light with Tapeswitch
CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B
| Product | Category | Times Built Together |
|---|---|---|
| Aero Precision M4e1 Complete Lower Receiver W/moe Sl Grip & Sl-S Carbine Stock | 25 | |
| Geissele Automatics Llc Ar-15 Ssa-E X Lightning Bow Trigger | 23 | |
| EOTech XPS2 Holographic Sight, Tan - XPS2-0TAN | 19 | |
| Bravo Company Ar-15/m16 Bcm Mil-Spec 6 Position Receiver Extension | 19 | |
| Streamlight ProTac Rail Mount HL-X 1000 Lumen Weapon Light with Tapeswitch | 17 | |
| CMMG AR-15 HD Pivot and Takedown Pin Parts Kit - 55AFF3B | 17 |
Builds Featuring This Part
See all 26 →Builds in the community that include the Otter Creek Polonium K 556 Rifle Suppressor - Black
| Build | Parts | Total |
|---|---|---|
 | 16 | $4583.42 |
 | 6 | $1238.17 |
 | 32 | $5850.28 |
 | 37 | $6279.67 |
 | 16 | $1961.13 |
| 19 | $2711.32 |
 | 10 | $2626.08 |
 | 34 | $5507.80 |
 | 13 | $4489.38 |
 | 19 | $3503.03 |
 | 37 | $4203.16 |
 | 22 | $1521.69 |
Customer reviews
4.3out of 5
3 global ratings
Top reviews
J
Jamie_arsmall things to mention
Reviewed on April 17, 2026Verified with Build
good upgrade but the finish has a slight color variation from the other parts in my build
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B
Beast114-7solid but a few notes
Reviewed on March 7, 2026Verified with Build
works well. install was a bit fiddly
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