uda123cat Posted January 19, 2018 Share Posted January 19, 2018 All, I just purchased a new Benelli M4 and joined this forum to learn as much as I can about this weapon system. Thank you all for all the information. I installed a Taran Tactical reduced power hammer spring and my trigger pull went from around 8 pounds to 3 pounds. I thought this was great until I tried to shoot the weapon. All of the rounds failed to fire because of failure to ignite the primer, all the primers had little dimples on them. Clearly, there was insufficient power to barely dent the primers with 100% failure to ignite. I put the OEM hammer spring back and obtained 100% ignition with over 200 rounds to date. I called Taran Tactical to get an idea of what the trigger pull should be with their reduced power hammer spring. I was told they were too busy to talk to me and to send an email. Well after a week of additional calls and two emails, I give up. They are quick to take our money but customer service seems terrible. After trying to contact them and doing a search on this site I came up empty. So, I am hoping that someone can enlighten me if maybe I got a defective/wrong hammer spring, or another issue. I took out the OEM spring and re-installed the Taran Tactical-same issue. Put back the OEM hammer spring no problem. So I don't think its my installation procedure. Anyway, I would appreciate any help particularly regarding 1) what is an anticipated trigger pull change from OEM to TAran Tactical hammers springs, and 2) Is this to be expected, i.e. failure to hit the primers other than with a teeny dimple. Yes, I changed the hammer and not trigger spring which resulted in a significant reduction in trigger pull and failure to ignite primers. thank you for any and all information Dan Quote Link to comment Share on other sites More sharing options...
indianajonze Posted February 7, 2018 Share Posted February 7, 2018 please update the thread with any new info. I'm very, very close to owning my own M4 and this was one of the first upgrades on my list. after reading your experiences, maybe not so much Quote Link to comment Share on other sites More sharing options...
sniiped Posted February 7, 2018 Share Posted February 7, 2018 I had the same issue. The spring is too weak to fire. Trigger felt great, but zero function. Stick with the OEM spring, it will break in. Quote Link to comment Share on other sites More sharing options...
Unobtanium Posted February 7, 2018 Share Posted February 7, 2018 This is a recurring theme, here. Also, TTI has other fires to put out: (****, not gear, is what they are experts in, and they are bad judges of that, too, apparently) Quote Link to comment Share on other sites More sharing options...
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