Suppressor Mount Opinions

I’d say that even if you plan to occasionally plan to swap the suppressor between rifles, a direct thread is still the best option. Unless you are swapping back and forth during the same range session between two or more of your own rifles, I don’t see why you would need anything other than direct thread.
Here are a few reasons why I'm trying the Reardon Plan B QD system after using direct thread for a year. I don't have enough time on the QD system to say if I prefer it. If it solves issues, I'm okay with 1-2 oz of extra weight and 1/4" of extra length.

1. No loose cans. Twice I had a can come loose within 20 shots of 7 PRC with DT. The "wrist snap" technique seemed to help lock it down tighter but I'm still not comfortable with it. Carbon lock is not a benefit for me because I regularly swap the suppressor between rifles. The Reardon system has held tight for me over a couple of hundred rounds now.

2. Prevent carbon lock. Carbon lock makes swapping the can between rifles a hassle, and risks stripping the suppressor base plate each time I have to lean on it with a crescent wrench. The QD mount seals the threads and keeps them clean. I can unlock it by hand with a little oomph, and it has not come loose on it's own.

3. Easily swap between 1/2" and 5/8" threaded barrels. With DT, I had to swap the back plate of the suppressor each time. I'd rather not disassemble the suppressor every time I switch between barrels. Suppressors are expensive and hard to replace if the threads get damaged. A QD adapter is easy, and relatively cheap compared to a new suppressor or the hassle of a warranty claim.

4. Internal muzzle break. I haven't tested this yet, and I'm doubtful that there will be a noticable benefit, but I plan to test a Plan B muzzle break inside the suppressor. At they very least, it might protect the first suppressor baffle from wear and tear.

The three arguments I see against using the Plan B system are added cost, weight, and length. If I had a dedicated suppressor for an UL, ultra short hunting gun, I would go direct thread. For my current use, I find the Plan B system helpful.
 
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