300BlkTalk

Yep, my mistake. My eyes read gas tube and my brain changed it to buffer tube.

Pistol length is obviously correct, and the one that would fit.

1) carbine length. The internals of a pistol tube are the same, and your building an SBR correct?
2) H2 buffer, standard carbine spring
3) 1:7

300 AAC Blackout

The AAC SDN-6 was literally designed for the 300 BLK.

That being said, try your suppressor with an H2 buffer and standard carbine spring and see what happens.

My 8.2" Noveske, with that buffer and spring and the SDN-6, runs with everything I've tried suppressed or not.

Oops. Double post.

I shoot test boxes in order to find the most accurate load with decent velocity. Then I chronograph that load. With the 110 Barnes the most accurate load, about 1.1" in my 8.2" Noveske, was 19.5 grs. of Lil Gun. Unfortunately I haven't ran the chrono on that load. On another day I did get ...

I bought the Giessele alignment rod and I am pretty sure it saved my can. There's a product endorsement if I ever read one. Can't one just look down the barrel, from the chamber end, and visually see if there is a problem? Are there that many cases of baffle strikes, due to misalignment, as compare...

That particular scripture primarily concerns itself with those who come using Jesus' name, but pervert what Jesus said for their own purposes and agendas.

You had me going there for a bit as I first read your 200 yard group as .8"!

When the issue is with the product itself, always ask for a mailing label so you don't have to pay for postage. Most companies will email it to you so you can return the item right away.

Most guys won't go below 11.5" in 5.56 due to the issues involved in trying to get them to function correctly, both suppressed and not.

You might research on M4carbine.net for good advice.