To put it bluntly your wasting money, and it may be the wrong choice of can for fast shooting dog popping. When i was doing research for supressors for a few of my handguns it was interesting to find out that some of the cheaper priced cans were better made, quieter, and the companys offered better customer service and warentys.
One of the things that EVERYONE i talked to drilled me for was to make sure that any can i get be full auto rated. After looking at the AWC website they are not full auto rated. Shooting P-Dogs is like shooting full auto anyway, so your going to have problems. If it's your inbetween gun, and has time to cool off it shouldn't be a problem though.
Do a little more research into AAC
http://www.advanced-armament.com/default.asp and Gentech
http://www.gem-tech.com/
I ended up getting the Gentech Outback 2 for my walther P22 for $305. The guy i bought it from brought it to a gun shoot we were having and let me play with his all day, i know that didn't sound right.
This thing was unbelivably quiet. AAC is the
ONLY campany that
H&K endorces to use on there guns, and they go as far as saying if you break your gun with someone else's can there will be no warrenty.
When the AAC Black Box comes out i plan on getting one for my H&K 45 Tactical.
Here's a video of a guy shooting an H&K 45 Tactical with the AAC Black Box DRY!!!
http://www.youtube.com/watch?v=HRk8DNMizw4
And any good smith that knows what he's doing can thread your barrel for $100
Here's some interesting info from
http://www.silencertests.com these are the top5 for 5.56 nato.
Manufacturer Model........ Price.......Unsuppressed Suppressed Net
SoundTech..M4-Wartech $585.00....165.1..............130.6...........34.5
Gemtech.....M4-96D.......$799.00....166.1..............133.1...........33.0
YHM............3100-A.......$535.00....165.3..............134.0...........31.3
AAC M4-2000 SOPMOD..$695.00....166.1..............134.3...........31.9
Gemtech.....M4-96D.......$799.00....164.8..............134.4...........30.4