Otter Creek LabsPolonium K
6mm / 6.5mm suppressor · HUB 1.375x24 interface · specs and compatibility from the manufacturer and independent testers
Notable features
- HUB Compatible
- PEW Science Reviewed
- TBAC Summit Tested
- Full-Auto Rated
- Sealed
length
4.8″
weight
11.5oz
length
4.8″
weight
11.5oz
calibers
5.56 | 6.5
material
Steel
interface
HUB 1.375x24
- Overall length
- 4.8″
- Class
- 6mm / 6.5mm
- n
- 98
- Range
- 3″–9.7″
- Median
- 6.2″
- Diameter
- 1.63″
- Weight
- 11.5 oz
- Material
- 17-4 Stainless Steel
- Max caliber
- 6mm / .243
- Base interface
- HUB 1.375x24
- Front cap
- Fixed
- Full-auto rated
- Yes
- Maintenance
- Sealed (not user serviceable)
Shorter than most 6mm / 6.5mm suppressors
Length compared against the 98 6mm / 6.5mm suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Not published by the manufacturer: MSRP.
- Base interface
- HUB 1.375x24
- Front cap
- Fixed
The HUB 1.375x24 is an open standard: 415 mounts and 818 muzzle devices in our catalog fit this suppressor, including Otter Creek Labs HUB Direct Thread Adapter (1/2x28), AAC 51T S.T.A.M.P. Mount and AB Suppressor AB Raptor Adapter. You aren't locked into one manufacturer's parts.
Which ones fit your barrel and host?
Check in the BuilderThe Thunder Beast Silencer Summit fires every suppressor entered on the same gun, on the same day, with the same equipment. Polonium K was measured in 2 tests. Figures can only be compared with others from the same test, so each one links to everything else fired on that gun.
Gas-operated rifles and carbines
Measurements published by Thunder Beast Arms Corp. How to read these
Measured sound results are in the Sound tests section above.
PEW Science · independent test
This suppressor has been independently sound-tested by PEW Science.