Finally took the plunge.

[blazedawg87]

First regarding the barrel quality and roundness, this would not be the issue. The issue is that the threads may not be concentric with the barrel which would not allow the can to align perfectly with the barrel and thus raising the potential for a baffle strike. The easiest way to check is to get a rod, put it down the barrel, and check to see how the rod aligns with your muzzle brake or can (if your barrel is already threaded with a muzzle brake). You can either pay $75 for the Geissele rod, or buy a rod much cheaper. Here are the part numbers for 556 and 308, and I think you can buy these rods on Amazon. 8893K193 Multipurpose O1 Tool Steel, Tight-Tolerance Rod, 0.2188" Diameter, 3' Long and 8893K215 Multipurpose O1 Tool Steel, Tight-Tolerance Rod, 0.2813" Diameter, 3' Long. And I am sure you already know this, but be careful with the crown while inserting a steel rod down your barrel. I generally put a couple of wraps of electric tape on the ends.

Now regarding the underfolder, you would want to use the slant back, and some of those Maks are already setup for the Chinese underfolder (I think it is the 56S-1???). If so you will already have the underfolder trunnion, and you would just need to find the Chinese underfolder which is the hardest part. Sometimes you can find them at AK47World or Gunbroker. If it is not already setup with the underfolder trunnion, you will have to find a gunsmith or DIY (depending on your confidence level). I am guessing there would be YouTube videos showing you how to do it.

The rod would be no problem as i could make one out of some cold rolled. I will have to check the mak when i get home. Really the can was just a reason to justify buying a 30 cal lol.
The other option i had in mind was a 300whisper SBR with a 45 osprey can. Was watching youtube last night and silencerco ran some 147gr through the osprey 45 and the difference between the 45 and 9 cans was all of 3db.
I didnt see it in the description for the 45 osprey but is it rated for 300blk/whis?

 

[NWSharpshooter]

The rod would be no problem as i could make one out of some cold rolled. I will have to check the mak when i get home. Really the can was just a reason to justify buying a 30 cal lol.
The other option i had in mind was a 300whisper SBR with a 45 osprey can. Was watching youtube last night and silencerco ran some 147gr through the osprey 45 and the difference between the 45 and 9 cans was all of 3db.
I didnt see it in the description for the 45 osprey but is it rated for 300blk/whis?

Most if not all pistol cans will be rated to handle 300 Blackout Subs. If you want to shoot supersonic 300 Blackout you will probably want a rifle can. That is why I went with a 30 caliber rifle can in addition to my 9mm can even though I could shoot subs through the 9mm can. Well, that and I dig the way suppressed supersonic 30 caliber rifles sound.

 

[gagtoe]

The Mystic is rated for 300 blackout sub and super down to an 8 inch barrel.