ThunderBeast Ultra 5" and 6.5 Grendel Preliminary Test Results

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ThunderBeast Ultra 5" and 6.5 Grendel Preliminary Test Results

PA_Allen Offline

Senior Member

Posts: 333
Threads: 29
Joined: Mar 2011

01-26-2016, 12:37 AM

Very interesting results considering back pressure and port noise. I have a TBAC CB9 that is quiet but the back pressure on my 16" is noticeable. I use an adjustable gas block and a Tubbs CWS to delay the unlocking as long as possible. I'd love to try one of the 5" or 7" Ultras!
- PA

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Messages In This Thread

ThunderBeast Ultra 5" and 6.5 Grendel Preliminary Test Results - by LRRPF52 - 01-25-2016, 04:13 AM

ThunderBeast Ultra 5" and 6.5 Grendel Preliminary Test Results - by PA_Allen - 01-26-2016, 12:37 AM

ThunderBeast Ultra 5" and 6.5 Grendel Preliminary Test Results - by lead chucker - 01-26-2016, 04:01 AM

ThunderBeast Ultra 5" and 6.5 Grendel Preliminary Test Results - by ccasanova - 08-26-2016, 12:29 AM

ThunderBeast Ultra 5" and 6.5 Grendel Preliminary Test Results - by Klem - 08-26-2016, 02:40 AM

ThunderBeast Ultra 5" and 6.5 Grendel Preliminary Test Results - by lead chucker - 09-05-2016, 09:08 PM

ThunderBeast Ultra 5" and 6.5 Grendel Preliminary Test Results - by Capt. Morgan - 10-18-2016, 01:50 AM

ThunderBeast Ultra 5" and 6.5 Grendel Preliminary Test Results - by SDet - 10-18-2016, 11:04 AM

ThunderBeast Ultra 5" and 6.5 Grendel Preliminary Test Results - by LRRPF52 - 10-18-2016, 04:38 PM