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Suppressors TBAC Ultra 5 on a Rattler?

Pulled this of their site. This is for the whole Ultra line of cans.
https://thunderbeastarms.com/products/ultra-5#fn2

Minimum barrel lengths
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
18" 7mm RM, 7mm WSM, .300 WIN MAG, .300 WSM
20" 7mm RUM, .300 RUM, 6.5 SAUM
22" .300 Norma Magnum, 28 Nosler, 7 STW
23" 26 Nosler
 
Hi,

There are some full-power loads for .300 Whisper that would be OK in an Ultra 5, etc, at that barrel length, based on our conservative pressure rating and derating factors for SBR's; however, there are quite a few that would exceed the uncorking pressure of a 14.5" .300 Win Mag SBR (not that anyone would do THAT), so, you really have to be careful.