SIG SauerHEXIUM300
.30 Cal / 7.62mm suppressor · HUB 1.375x24 interface · specs and compatibility from the manufacturer
Notable features
- HUB Compatible
- TBAC Summit Tested
length
8.95″
weight
15oz
MSRP
$920
length
8.95″
weight
15oz
calibers
5.56–.30
material
Titanium
interface
HUB 1.375x24
MSRP
$920
- Overall length
- 8.95″
- Class
- .30 Cal / 7.62mm
- n
- 638
- Range
- 2.5″–14″
- Median
- 7.24″
- Diameter
- 1.75″
- Weight
- 15 oz
- Material
- Titanium
- Max caliber
- .300 BLK
- Base interface
- HUB 1.375x24
- MSRP
- $920
Longer than most .30 Cal / 7.62mm suppressors
Length compared against the 638 .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: 489 mounts and 934 muzzle devices in our catalog fit this suppressor, including AAC 51T S.T.A.M.P. Mount, AB Suppressor AB Raptor Adapter and Abel Co Direct Thread Adapter 1/2x28. 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, with the same equipment. HEXIUM300 was measured in 4 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
- .300 Blackout subsonic, 16" bolt-action rifle 2026121.3 dBat the ear · 28.4 dB quieter than the 2025 unsuppressed baseline55 tested →
- .308, 20" bolt-action rifle 2026128.2 dBat the ear · 27.7 dB quieter than the 2024 unsuppressed baseline50 tested →
- .300 Win Mag, 26" bolt-action rifle 2026133.4 dBat the ear · 23.7 dB quieter than the 2025 unsuppressed baseline38 tested →
Gas-operated rifles and carbines
Measurements published by Thunder Beast Arms Corp. How to read these
Manufacturer claim
- At the front end of the suppressor, a new modular end cap design was added for an accessory mounting system.
- With multi-caliber versatility, modular accessory options, and performance you can trust, SIG SAUER's HEXIUM suppressors deliver a refined edge to every shot.
- Utilizing SIG SAUER's advanced additive manufacturing techniques, state-of-the-art computer analysis, and industry-leading testing equipment, the HEXIUM line of suppressors brings true performance and sound quality to shooters everywhere.
- For easy compatibility across platforms, the HEXIUM suppressor is HUB-compatible with a Direct Thread Steel Mount to help provide a quick and easy mounting solution.
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- Durable and versatile suppressor that delivers low back pressure and quiet, clean tones to your favorite rifle platform.
