buy a western powders bh209, the powder maker designed the plug for their stuff so you know it will be the best design for it. I've only had a handful of hang fires with the factory plug and that was just when i started shooting bh209.

tc owners on other forums continue to have hang fires as well but guess what, its due to not knowing about the carbon build up in the plugs and how to properly clean the plug.

Clean the factory grease and oil out of the action and relube with a light spray of barricade and my triggers improvement is mind blowing. The Apex has the heaviest trigger out of all of them but thats due to it taking centerfire barrels, Don't want the accuras 1 1/2lb trigger pull on on that one i guess LOL