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Thunder Beast Arms Corporation Ultra 338

.338 Lapua Mag / .338 RUM suppressor

Available in 2 versions
Thunder Beast Arms Corporation Ultra 338 SR Gen 2 suppressor
Image via Silencer Central

Ultra 338 SR Gen 2

Thunder Beast Arms Corporation · .338 Lapua Mag / .338 RUM

$2250

MSRP

Specs on the box

Differs between versions

Mounting

Mount type
Hub
Rear thread
1.375×24 (HUB)
Included mount (differs between versions)
SR Mount
Mount removable
Yes
Min. barrel (.300blk, 7.62x39, 6.8 SPC)
5.5"

Build & use

Length (differs between versions)
11.1"
Diameter
1.85"
Weight (differs between versions)
20 oz
Material
Titanium
Method
Welded
Finish
Cerakote
Rated backpressure
High
User serviceable
No
Full-auto rated
No
Made in
USA
Check price · Silencer CentralNon-Affiliated Link

Sound

Not yet tested

LIAeq100ms (dB)

Reference test not yet defined for this caliber

Backpressure

Not yet tested

Change in cycle time (ms)

Primer strike → bolt closed, vs bare host

Flash

Not yet tested

Metric TBD

Stand-in — not yet defined

Sound · Muzzle Left
Sound · Shooter's Ear
Comparison available once dials are wired for this caliber

SCOUT REPORT

Check Price

Where to Buy
Silencer CentralNon-Affiliated Link
More Information

Barrel Length Restrictions

Check with manufacturer for official barrel length restrictions.

CaliberMin. Barrel Length
.300blk, 7.62x39, 6.8 SPC5.5"
.308, 6.5 Creedmoor, .260 Rem, 6 Creedmoor, .243 Win, .22 Creedmoor, .223/5.56 (SEMI AUTO)8"
.223/5.5610.3"
26 Nosler, 6.5 SAUM, 6.5 PRC, 7 WSM, 7 SAUM, 7 STW, 7 Rem Mag, 300 WSM12"
300 PRC, 300 RUM, 7 RUM, 300 Win Mag, 300 WBY, 6.5-300 WBY14.5"
300 NORMA, 28 Nosler, 338 LAPUA, 338 NORMA16"
More Info on Barrel Length Restrictions →
Reviews & Field Reports

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