I have a Griffin Armament 30SD that I use on my semi. The question is whether this sort of suppressor is ideal for a precision rifle, or would I be better off with something else. For example, should I get a direct thread? Will it potentially affect accuracy. I am lucky enough that I just picked up an Accuracy International AX 308, short action. I will also get a creedmoor barrel.
Mounting matters not for precision. Pappabear and I run all kinds of his cans and mine on various precision style bolt and semi rifles. Not a single difference as far as shooting/accuracy.
Direct thread has kinda become a slight preference due to simplicity.
If you’re picking one, the Thunder Beast Ultra 7 is what I would pick. I have an Omega and it is great, pretty noticeable POI shift when shooting unsuppressed on my hunting rifle but I basically only shoot suppressed anyway so it’s not a big deal.
Thank you Sir!! That is exactly what I wanted to know. I understand the POI shift, however, I plan on shooting the gun mainly suppressed.
Actually, I have seen POI shift. Been in cheaper cans EVERYTIME. Not often, but it does happen. I fixed that each of my long guns has their own can, I don’t change em up. Each rifle and required kit are in the hard case. 100 rds of match grade aswell.
I have the same 30SD and in my experience, the nature of the can with its A2 mount, I think the looseness, or slop, of the mount, adds a little more shift than my taper mount cans.
I use the GA muzzle device with the can. You can slightly rock it from side to side once locked on. The question is whether that would have any affect on accuracy of the rifle. Obviously, testing is the ultimate resolution of the question, however, I was curious if anyone had that experience. Other than POI shift, any affects on accuracy? Also, did you find the POI shift was consistent?
Yes, all my cans and mounts are GA also. My 30SD has a slight rocking side to side too.
My Optimus with a taper mount seems to have a more predictable shift but I guess it could just be the guns it’s mounted to.
It’s been awhile but I also tested my Optimus with a A2 mount on the same 308 I was using my 30SD on. If I recall correctly, I thought the shift was greater but more consistent with the A2 Optimus vs the 30SD.
People have said that the AAC cans that have a bit of wobble would be terrible for accuracy. We have not found that, in fact my .223 Bolt gun wore one forever and shot many a many sub .5 moa groups.
PB
I own a M4SDk, but no 30SD. A buddy has a Recce and a SPR. He’s a precision guy, and loves his. I’ve noticed no loss of precision with my M4SDk, despite the movement on the mount. In fact, some of my rifles seem to shoot a little better with it. I’ll probably buy a 30SDk soon, since I love the mount.
Edit: there was a thread on the hide about this, but I can’t find it.
Edit 2: bought a 30SDk. I guess I’ll have more input in like a year.
Great stuff. Thanks for your input
I wanted a Griffin SPR because I want an OTB for the reduce length and supposed reduced back pressure, but they stopped making them a few years ago and I can’t find one. 
Do they still make the RSTA? That might work for you. Otherwise, theres Allen Engineering and Amtac. I need someone here to guinnea pig the Amtac before I buy one.
I have a Griffin SPR can and really like it.
I have a recce 5 and have experienced very little poi shift and it’s been 100% repeatable. The taper mount design is the best for poi repeatability.
Love the saber
I have a Surefire rc2 in 5.56 and I was really surprised when I didn’t have to make any corrections with my 18” gas gun.
Now I’m looking into the 762 mini version for my bolt gun. And it can mount to the 556 rifles as well.
Not sure if they still make the RSTA or not. I had found one of those used a few months ago but since this will be a dedicated can I wanted the SPR only. And the SPR caught my eye because it doesn’t need the barrel to be profiled.
I have looked at the Allen and AMTAC stuff. The barrel has to be profiled for the Allen stuff and AMTAC is all direct thread. I may hold out for a bit trying to find a hidden SPR in some dark corner somewhere.
Way to rub it in. I don’t like you anymore.
Most of my experience with suppressed precision bolt guns is using a military issued Surefire, so I can’t comment to your specific can, but it had very little POI shift until about 800yd. After that a minor shift in elevation from standard, IIRC. I suspect that with newer equipment you won’t have any issues, with the exception of obvious caveats like “zero it anyway just to be sure.” Post results later on if you want, I’d be interested in seeing what results you get with your own can.
I was married, I am used to that reaction.