Suppressors Thunderbeast 338ba review

Hannibalsnipes

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Minuteman
Jan 28, 2012
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Texas
I’d previously written a very favorable review on the ThunderBeast 30ba, and decided that I wanted to put the 338ba through the paces.

The Rifle: Sako TRG-42 338 Lapua Magnum. It’s been called the “Holy grail of Sniper Rifles” and is arguably the most accurate sniper rifle in the world. Many will argue that it is inferior to the AIAW, but in my experience and from AIAW owners that I have talked to, I believe that the TRG is every bit as good if not better than the AIAW; and that doesn’t even factor in the point of diminished returns. I won’t feed this debate any further, and for the point of this review let’s just say that it’s one heck of a rifle and that it’s accuracy will be dependent on me and not it’s quality.

The Suppressor: If you don’t know about this can or the company, all you need to know is here- http://thunderbeastarms.com/products/338ba I’ve owned this suppressor for about 3 months and have shot with it 5 times.

The Food: Lapua brass, 250 SMK, and Retumbo, CCI primers

The Day: 11/10/12, Central Texas, 1530, 80 degrees, Sunny with a very slight overcast, wind was gusting from 5-15 and was primarily a head wind and very slightly to my right.

There are three things (in my estimation) that are imperative from a suppressor. In order of importance they are: #1 repeatability in POI, #2 accuracy, and #3 sound suppression.
The TB 338ba delivers on all three.

#1: As you can see from the pic of my groups, I hit exactly where I wanted the first time and every time with the exception of one flier (which I will attribute to my misjudgment that the wind had died down and was going to stay down for the shot). So I conclude that there is no shift in POI, or none evident.

#2: The accuracy speaks for itself and is obviously not adversely affected; if anything it improves upon the accuracy of the rifle. Ask anyone who’s shot this round and they’ll confirm that it’s a beast. Being able to tame it to get groups like this takes practice (and a lot of research on SH).

#3: Sound suppression: after shooting my first group the range boss came over and asked about my rifle/can and was very enthusiastic about it. He actually called a cease fire for the entire range just to hear this suppressor at work. He said, “I would have sworn that you had some kind of .22 conversion that you were shooting, that thing is amazing”. This suppressor is incredibly efficient in sound suppression.

Conclusion: I consider the money invested in this suppressor to be money very well spent. I don’t think that you’ll find a better one on the market.

Thanks: To the guys at TB for making the can, Silencershop for the great deal, and SH for all of the help and info.

11-11-12btrg.jpg


These were all 5 shot groups with the exception of the upper left which I abandoned after the flier.
 
Re: Thunderbeast 338ba review

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Grizzdude</div><div class="ubbcode-body">Awsome, I was wondering if the .338 lapua suppressors on the market actually worked good or not. If you don't mind, how much did that suppressor set you back?</div></div>

PM sent
 
Re: Thunderbeast 338ba review

Awesome. Looking forward to getting my TBAC cans out of ATF prison!

That's amazing shooting with that rifle. I hear they can smack you around a bit.

How's recoil between the TBAC brake and the can mounted ?
 
Re: Thunderbeast 338ba review

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: dvdt</div><div class="ubbcode-body">Awesome. Looking forward to getting my TBAC cans out of ATF prison!

That's amazing shooting with that rifle. I hear they can smack you around a bit.

How's recoil between the TBAC brake and the can mounted ?</div></div>

Thank you!
I could go into a wordy description but simply put, Night and Day.
 
Re: Thunderbeast 338ba review

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Grizzdude</div><div class="ubbcode-body">Awsome, I was wondering if the .338 lapua suppressors on the market actually worked good or not. If you don't mind, how much did that suppressor set you back? </div></div>

You can get one from the group buy and TB group buy for around $1440
 
Re: Thunderbeast 338ba review

Hannibal....

Nice shooting! It looks like 94.5 grains Retumbo is a happy number for your TRG also.

I was wondering how you were testing POI shift. Were you removing and replacing the suppressor between groups or were some of these groups shot with the brake only?

Thanks for the write-up!

j
 
Re: Thunderbeast 338ba review

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: jaycoux</div><div class="ubbcode-body">Hannibal....

I was wondering how you were testing POI shift. Were you removing and replacing the suppressor between groups or were some of these groups shot with the brake only?

j</div></div>

There is some POI shift between shooting suppressed and unsupressed.
When I said that there was no POI shift I meant: I have my NF on zero stop and zeroed for unsupressed. I then shot the rifle suppressed and zeroed the scope again. I then wrote down the dope in my data book and then took the can off and reset the scope to zero stop and then shot at group on a different target. I then put the can back on and set the scope back to the dope I'd written down. There was no POI shift between sessions of shooting suppressed with a string of unsuppressed in between.
Clear as mud?
 
Re: Thunderbeast 338ba review

I'm extremely happy. I've only been benchrest shooting for about 16 months, so I've got a lot more learning and practicing to do and am curious how good I can get. This can certainly helps.
 
Re: Thunderbeast 338ba review

his is very informative. I have a friend with a .338 Edge who is looking for a can. I'm assuming that there wouldn't be any compatibility issues with this can and his rifle would there? I'm sure his pressures are similar if not less than yours...
 
Re: Thunderbeast 338ba review

Having owned a TRG-S 338lm that had no brake at all as my first rifle, I'm spoiled by any brake.
That said, the factory Sako Brake, like the rifle, is great out of the box. As Zak said, the TBAC brake for the 338ba is not as efficient as a larger brake, but after you shoot your rifle suppressed, you probably won't want to shoot it unsuppressed ever again.
I will admit that I fire once or twice as soon as I get to the range to wake everyone up around me, but after that I out the can on.
 
Re: Thunderbeast 338ba review

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: sib1948</div><div class="ubbcode-body">Ordered mine this week on the Group Buy and plan to use it on my MRAD 338 LM and my RW Snyder 308 Rem. The Group Buy ends Dec. 7th. </div></div>

I have 338BA on a 338LM MRAD and it works very well. You won't be disappointed.
 
Re: Thunderbeast 338ba review

My SOT was kind enough to tease the 'ell out of me by bringing my 30BA along to a meeting, and allowing me to mount it on my DTA SRS with a 284 bbl installed. Sweeeet! Both are CeraKoted in FDE, and the compact size of the 30BA looked 'just right' on the DTA. Can hardly wait for my stamp to come in....

I've got 30BA brakes mounted on three barrels - 6x47 Lapua & 284 Win for the DTA, and a 6.5x55AI on a LA M700 in a McM A5. Brake is pretty effective, especially considering the fact that it's a single chamber design with an exit hole sized for 30 cal bullets. I'd love to be able to get these brake/mounts with appropriately sized exit holes for the 6mm & 6.5mm barrels, but as well as they work in the unsuppressed mode, I'm unsure how much difference it'd make. And when I get the 30BA can for keeps, I'm pretty confident that it's going to work well with these smaller bore barrels.
 
Re: Thunderbeast 338ba review

Thanks alot for the post! Have you or anyone compared this to the Elite Iron version for the .338? I have a TRG42, as well and have an Elite Iron coming soon...hopefully one of these months for the wait on the feds!

Thanks again..
Mike
 
Re: Thunderbeast 338ba review

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: flatland1</div><div class="ubbcode-body">My SOT was kind enough to tease the 'ell out of me by bringing my 30BA along to a meeting, and allowing me to mount it on my DTA SRS with a 284 bbl installed. Sweeeet! Both are CeraKoted in FDE, and the compact size of the 30BA looked 'just right' on the DTA. Can hardly wait for my stamp to come in....

I've got 30BA brakes mounted on three barrels - 6x47 Lapua & 284 Win for the DTA, and a 6.5x55AI on a LA M700 in a McM A5. Brake is pretty effective, especially considering the fact that it's a single chamber design with an exit hole sized for 30 cal bullets. I'd love to be able to get these brake/mounts with appropriately sized exit holes for the 6mm & 6.5mm barrels, but as well as they work in the unsuppressed mode, I'm unsure how much difference it'd make. And when I get the 30BA can for keeps, I'm pretty confident that it's going to work well with these smaller bore barrels.</div></div>

They do work well with the smaller caliber. If you read carefully on the TBAC website, you'll see that the 30ba is actually more effective on the smaller caliber. I have a 30ba that I use on my TRG-22 .260 and while having only taken it to the range twice, I've gotten some pretty kickass results!
Here's my best group on the second outing.

12-2-12.jpg