I've been seeing a bunch of different photos of Omega 9ks with different 3 lug mounts on them.

Seems like the Octane 3 lug fits, the GA 3 lug fits, and the Obsidian 3 lug fits, but they are all different lengths.

Seems to me that each of these mounts will cause your muzzle to protrude different amounts into the suppressor.

Seems to me that the Omega 9k was designed for a certain distance between the muzzle and the first baffle, and a variation here will cause a difference in suppression and/or wear.

So, what's the conventional wisdom on this?  Not a big deal?

Using one of the shorter 3-lug mounts (Griffin or Rugged) places the muzzle essentially the same distance to the first baffle that using a SilencerCo piston would. Non-issue.

That's good to know.  Thanks.

Response from SiCo via email that using GA mount wouldn't pose a threat to the can, but they can't warranty other manufacturer's parts.

I'm less concerned about warranty, per se, than understanding the effect on suppression or baffle wear from a variable muzzle position.

A former SWR employee on another silencer forum stated that the Octane was designed with the SWR/SiCo 3-lug mount and extra distance/volume in mind.

I imagine the Omega 9k is the same.  Big boy rules apply, if you don't mind the possible consequences than go with the Griffin... it does look better IMHO.

I personally just stuck with the direct thread option and anti-seize.

been waiting months for the Griffin mount to come back into stock :(

I haven't see the Griffin coupler available in months.  A customer of mine contacted Griffin and was told (by Griffin) not to expect them anytime soon.  

I'm also not a fan of mixing manufacturers parts unless specifically told by both manufacturers that each others parts use won't affect warranty of either brand.  I have seen happen a few time and the different manufacturers just point at the other, leaving the customer without a resolution.

I wonder what Griffin is dedicating machines to