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Old 06-30-2017, 09:54   #1
Odd Job
Join Date: May 2006
Location: London (ex SA)
Posts: 107
Update on the A-TEC CMM4(6) Suppressor I am abusing

I mentioned a test I am doing on a .22 rimfire suppressor in this thread:


Rather than take over that thread completely I will post the update here. So far the suppressor has had 23000 rounds through it with no maintenance whatsoever.
Still going strong!

More here:

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Old 06-30-2017, 10:14   #2
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Join Date: Apr 2008
Location: NOVA
Posts: 9,958
Good detail, well done..

Have you been testing the DB levels along the way??

I would be interested in a chart of DB gain in relation to wt gain.
Go raibh tú leathuair ar Neamh sula mbeadh a fhios ag an diabhal go bhfuil tú marbh

"May you be a half hour in heaven before the devil knows you’re dead"
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Old 06-30-2017, 11:08   #3
Odd Job
Join Date: May 2006
Location: London (ex SA)
Posts: 107
Sadly I don't have the equipment or expertise to do it.
I have made contact with an engineer who also makes rifle components who has access to a high end sound pressure meter or whaddevayoucallit. He's the guy I will go to when I start my second batch of testing.
I have here 10 new suppressors which I will be doing sound and accuracy tests on. I am just waiting for a set of thread adapters to arrive from the US so I can test these (they are mixed threads, some are 1/2" x 20 tpi and others are 1/2" x 28 tpi).

When I test those I will add this abused one as a number 11, since I have a new A-TEC SMM4(6) as a reference.

I also have my beady little eyes on a 12g suppressor. A-TEC are releasing the A12 soon
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