Thunder Beast Ultra 7 CB Suppressor FDE G2

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  • Thunder Beast Ultra 9 CB Suppressor CB Brake Mount
  • Thunder Beast Ultra 7 CB Suppressor Flash Hider
  • Thunder Beast Ultra 7 CB Suppressor FDE G2
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Thunder Beast Arms Ultra 7 CB Suppressor in FDE

The second-generation ULTRA 7 ("Gen2") superseded the original model on November 10th, 2020. The ULTRA 7 Gen2 is quieter and lighter than the original version. The official model ("ULTRA 7") does not change. Gen2 Ultra 7s can be identified by serial numbers that are higher than C40000 or by the visual changes.

The ULTRA 7 is our highly efficient compact precision rifle suppressor. It is best for applications where a compact form factor is important but excellent suppression is still required. The ULTRA 7 is available in .30 caliber and 6.5 mm caliber. The .30 caliber version is best for maximum flexibility for .223 up to .300 RUM. The 6.5 mm caliber version optimizes suppression performance on 6.5 mm and smaller calibers.

The .30 cal ULTRA 7 Gen2 meters at 139 dB (milspec left/right) and 129 dB at shooter's-ear1, shooting full-power (hot) M118LR ammunition from a 20" AI AX. Compared to the original, the Gen2 is about 2 dB quieter at the muzzle and 2 dB quieter at the shooter's ear.

The 6.5 mm cal ULTRA 7 Gen2 meters at 137 dB (milspec left/right) and 126 dB at shooter's-ear1, shooting Hornady 140 gr ammunition from a 24" AI AX. Compared to the original, the Gen2 is about 1 dB quieter at the muzzle and 1 dB quieter at the shooter's ear.

We now specify the dB rating as a single number due to the long-term consistency of the B&K PULSE system. These should be considered the "reference" numbers compared to anything published previously -- please see our youtube videos.

The ULTRA 7 Gen2 weighs 8.0 ounces (1.7 ounces lighter than the Gen1).

What happened to the 223 ULTRA 7?
With the ULTRA Gen2 updates, a prototype “223 ULTRA 7 Gen2” meters the exact same on 223/556 as the 6.5 ULTRA 7 Gen2, which is still quieter than an original 223 ULTRA 7, so the original 223 ULTRA 7 is replaced with the 6.5 ULTRA 7 Gen2.


The ULTRA Gen2 series represents a revolutionary improvement in titanium precision rifle suppressors. We took everything we've learned over the last decade building the best precision rifle suppressors in the world and put it into the ULTRA design. The ULTRA series offers unprecedented light weight and class-leading suppression levels.

Compared to the original ULTRA series, the ULTRA Gen2 is on average 2 dB quieter and about 20% lighter. Strength and caliber ratings are the same.

The .30 caliber ULTRA series includes three suppressors: 9-inch, 7-inch, and 5-inch versions are available. They are available in either our Compact Brake (CB) Mount (a "thread over muzzle brake" type mount) or in a direct thread mount.

The CB mount and direct thread mount have equivalent accuracy and repeatability.

With the CB mount, the suppressor mates to a conical shoulder on the brake and locks up rock solid and extremely tight. In direct thread configuration, the ULTRA suppressors use a heat-treated 17-4 thread insert and initial blast shield. The ULTRA series suppressors also have the flexibility to be changed from direct thread to CB mount and vice versa via a simple factory service operation, in case your needs change. This is accomplished by removing or replacing the default brake from the direct thread version.

Like the original, the Gen2 ULTRA is all-titanium and is fully welded. The Gen2 is now a "tubeless" design, with the baffles joined directly with no separate tube. This material and construction provide a great strength to weight ratio. It can take whatever your precision rifle can dish out.

The ULTRA Gen2 baffle stack was completely redesigned, but retains the principles that made the original ULTRA (and 30P-1 stack before that) such a great precision and long-range suppressor. Thunder Beast Arms Corp suppressors have racked up impressive results at long-range field shooting events nationwide, and have been the most popular suppressor used in the Precision Rifle Series (top 50 competitors) for many years running.

Many long-range shooters prefer shooting suppressed because the muzzle blast and concussion is eliminated, while the recoil impulse is reduced and smoothed out over time. The net result is that the rifle is easier to shoot and it's easier to make hits. Communication with your spotter is easier because the need for hearing protection is reduced.

The .30 cal ULTRA was designed around .308 for maximum flexibility and is rated up to .300 Winchester Magnum (18" barrel), but it's the ideal suppressor for the most competitive mid-sized cartridges for long-range shooting such as .243 Winchester .260 Remington, 6.5 Creedmoor, 6.5x47 Lapua, 6.5-284 Norma, and 7mm Remington Magnum & WSM.



Direct thread attachment option
CB series muzzle brake and flash hider attachment option
Ionbond DLC coating on CB muzzle devices
Conical shoulder surface on CB mount
100% titanium construction
"Tubeless" construction
360-degree fully-welded baffle stack
Magnum rated
Rock-Solid POI Repeatability



Minimum barrel lengths2:

6" .300 Blackout (subsonic)
8" .300 Blackout (full power)
10" 6.8 SPC, 7.62x39
11.5" 223 Rem, 5.56, 6.5 Grendel
14.5" .308 Win
16" .260 REM, 6.5 Creedmoor, .243 WIN
18" 7mm RM, 7mm WSM, .300 WIN MAG, .300 WSM, .22 Creedmoor, 6.5 PRC, 6.5 SAUM, 7 SAUM
20" 7mm RUM, .300 RUM, .300 PRC
22" .300 Norma Magnum, 28 Nosler, 7 STW
23" 26 Nosler, 6.5-300 Weatherby

Please contact tech support for:
   7mm cal loads exceeding 90 powder grains,
   .30 cal loads exceeding 100 powder grains
For questions about a particular rifle/load combination please contact us.
* SBR use in these calibers, CB brake mount or Direct Thread recommended.


Please note that thermal input will be higher with shorter barrels. Ultra series suppressors should be kept under 800 degrees F.

1. Measured in accordance with MIL-STD-1474E using a BK PULSE SLM with mics at specified locations

Note on dB ratings
We now specify the dB rating as a single number for the specified weapon-ammo configuration due to the long-term consistency of the B&K PULSE system. The numbers for the milspec-left/right mic position are very consistent. "Shooter's ear" (SE) numbers are a little more variable and should be considered with a margin of +/- 2 dB. These should be considered the "reference" numbers compared to anything published previously -- please see our youtube video

We report dB as dB(A), ie, with A-weighting, due to MIL-STD-1474E specifying using either A or C weighting.

2. Max loads / min bbl lengths rated with CB Brake or direct thread


The Ultras were designed to be the "ultimate" lightweight precision rifle suppressor. This means we used materials to meet those goals. Titanium, even Grade 5, is ultimately limited by temperature. The Ultras are very strong but excursions above 800 degrees are not good for the material. If you take it far enough above 1000 degrees, it will get too weak to sustain the blast and you would eventually get a failure. We recommend keeping the Ultra series less than 800 degrees.

Full auto by itself does not really increase the pressure or stress on the can, it's the heat energy input in combination. Full auto or bursts would be fine on an Ultra as long as the material temperature does not exceed that 800 degree safety mark. In our testing, one magazine fired rapid (mag-dump) from from an AR-10 or AR-15 does not exceed 800 degrees. Keep in mind this is firing at a full-auto-like rate. At that point you'd just have to let it cool. The second magazine may or may not cause it to exceed it depending on ambient conditions, loads, barrel length, etc. A shorter barrel will cause more heat input into the suppressor and its temperature will rise faster.

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