Abel CoTheorem-S
.30 Cal / 7.62mm suppressor · HUB 1.375x24 interface · specs and compatibility from the manufacturer
Notable features
- HUB Compatible
- TBAC Summit Tested
- Sealed
length
5.65″
weight
8.5oz
MSRP
$985
length
5.65″
weight
8.5oz
calibers
5.56–.30
material
Titanium
interface
HUB 1.375x24
MSRP
$985
- Overall length
- 5.65″
- Class
- .30 Cal / 7.62mm
- n
- 513
- Range
- 3.5″–12.25″
- Median
- 7.4″
- Diameter
- 1.75″
- Weight
- 8.5 oz
- Class
- .30 Cal / 7.62mm
- n
- 513
- Range
- 4.4 oz–39.8 oz
- Median
- 13.75 oz
- Material
- 100% 6AL4V Titanium (Grade 5)
- Finish / treatment
- High Temp Cerakote (C Series)
- Max caliber
- .30
- Base interface
- HUB 1.375x24
- Maintenance
- Sealed (not user serviceable)
- MSRP
- $985
Shorter than most .30 Cal / 7.62mm suppressors
Length compared against the 513 .30 Cal / 7.62mm suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Lighter than most .30 Cal / 7.62mm suppressors
Weight compared against the 513 .30 Cal / 7.62mm suppressors in the catalog that publish one. Quartile basis; a value inside the middle half carries no note.
Prices are manufacturer's suggested retail (MSRP). What you pay may differ.
- Base interface
- HUB 1.375x24
The HUB 1.375x24 is an open standard: 415 mounts and 818 muzzle devices in our catalog fit this suppressor, including Abel Co 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. Theorem-S was measured in 9 tests. Figures can only be compared with others from the same test, so each one links to everything else fired on that gun.
Bolt-action and lever rifles
- .308, 20" bolt-action rifle 2024132.1 dBat the ear · 23.8 dB quieter than unsuppressed95 tested →
- .300 Blackout subsonic, 16" bolt-action rifle 2025127.5 dBat the ear · 22.2 dB quieter than unsuppressed85 tested →
- .300 Win Mag, 26" bolt-action rifle 2025137.1 dBat the ear · 20.0 dB quieter than unsuppressed68 tested →
- .308, 20" bolt-action rifle 2023130.0 dBat the ear · 25.5 dB quieter than unsuppressed64 tested →
Gas-operated rifles and carbines
- 5.56, 16" AR-15 2025142.3 dBat the ear86 tested →
- 5.56, 10.3" AR (MK18) 2023138.3 dBat the ear · 23.2 dB quieter than unsuppressed80 tested →
- 5.56, 10.3" AR (MK18) 2023138.6 dBat the ear · 22.9 dB quieter than unsuppressed80 tested →
- .300 Blackout subsonic, 16" AR 2024137.9 dBat the ear · 10.2 dB quieter than unsuppressed61 tested →
Host not documented
- 6mm Creedmoor (host not documented) 2025126.7 dBat the ear3 tested
Measurements published by Thunder Beast Arms Corp. How to read these
Manufacturer claim
- Decibel rating: left/right ear 138-139db, muzzle 148db (AI AT, 20" .308, 175gr FGMM; MIL-STD-1474E, B&K Pulse SLM).
- 100% laser welded tubeless baffle stack.
- Uses the standard 1-3/8x24 threaded HUB, so common HUB adapters work; furnished with an interchangeable front end/exit cap.
- 100% 6AL4V (Grade 5) titanium with a high-temp Cerakote (C Series) finish.
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- Ships with a closed front end/exit cap, a multi-tool, and a 5/8x24 HUB direct thread adapter.
- Although it can be used with select-fire weapon systems, it is not recommended for hard use over extended periods; prolonged heat may void the warranty.
- Barrel length minimums: .223/5.56 10.3", 300BLK 7", .308 16", 300WM 22", 300PRC 22".