tk4 Posted December 18, 2018 Share Posted December 18, 2018 I have been running a CMC 4.5lb trigger in my 9mm ar. No problems yet. I see CMC now has a specific 9mm AR trigger. If I need another trigger anyway should I buy the 9mm version and switch? Is there any reason to believe it will last longer than the 223 version? Link to comment
Tampa-XD45 Posted December 18, 2018 Share Posted December 18, 2018 My 223 Timney trigger probably has 10K rounds on it with no issues. I guess you would gain a 1 pound trigger weight decrease for your $170 purchase. If you shoot a lot of matches, it's a good idea to had a spare trigger. And make sure your spare parts and spare firing pin are in your range bag since I've proven that having a spare in your garage does no good when you're at a match with a broken part. Link to comment
Hammer002 Posted December 18, 2018 Share Posted December 18, 2018 5 hours ago, tk4 said: I have been running a CMC 4.5lb trigger in my 9mm ar. No problems yet. I see CMC now has a specific 9mm AR trigger. If I need another trigger anyway should I buy the 9mm version and switch? Is there any reason to believe it will last longer than the 223 version? Most of the trigger companies started redesigning their triggers when the PCC became popular. This is because on most PCCs the firing pin sits slightly higher. Some of the triggers combined with some of the PCCs experienced intermittent light strikes cause the trigger wasn’t hitting the firing pin just right. I experienced this when I put my .223 Gisselle in my PCC. The companies redesigned them to overcome this difference, but are nearly the exact same otherwise. Both should be of same quality and last just as long, respectively. Link to comment
MemphisMechanic Posted December 19, 2018 Share Posted December 19, 2018 In addition to what @Hammer002 said, the bolt speed and mass of the 9mm BCG is enough to beat most 5.56-marketed triggers to death within a few hundred to few thousand of rounds. Link to comment
tk4 Posted December 19, 2018 Author Share Posted December 19, 2018 1 hour ago, MemphisMechanic said: In addition to what @Hammer002 said, the bolt speed and mass of the 9mm BCG is enough to beat most 5.56-marketed triggers to death within a few hundred to few thousand of rounds. So, is the CMC 9mm trigger beefed up somehow to handle the 9mm bolt? Link to comment
MemphisMechanic Posted December 19, 2018 Share Posted December 19, 2018 (edited) 23 minutes ago, tk4 said: So, is the CMC 9mm trigger beefed up somehow to handle the 9mm bolt? No idea. I run a JP, and it can take a PCC’s beating all day long without caring, so I haven’t been looking at the newer offerings. Edited December 19, 2018 by MemphisMechanic Link to comment
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