I have a P22 w/3.4 barrel, TI thread adapter, and SWR Spectre. I get light primer strikes with every other round. I fire a round, see it eject, the slide goes into battery loading another round. I pull the trigger and "click", nothing. I check the round and see it has indented the primer but not hard/deep enough for detonation. I tried 4 different kinds of ammo, and 6 different magazines. When I take the can off the gun works without incident. I tried a fieldstrip / relube with no joy. Suggestions?
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Does the weapon work fine without the silencer attached?

Make sure the barrel nut that holds it into the barrel sheath assembly is tight.  If it's loose - the weight of the suppressor on the barrel may push the barrel back causing light primer strikes.  Doesn't take much, had this problem when I used my Gemtech Trinity on my P22.

Silly me.  Its the Thread adapter then.  

Tried it this weekend with a AAC Pilot and it worked like a champ.  Since my Tactical Innovations mount may be to blame what are some other ones known to work with a P22 and Specre?