SIG Talk banner

P320 5x Legion Trigger Travel After Reset

2.3K views 8 replies 5 participants last post by  Gman45acp  
#1 ·
Modified my legion Flat trigger to be able to adjust forward travel after reset. I used the factory triggered and added a screw that will contact the FCU and stop the excess travel. The trigger looks like a MIM part and it is hardened. So going to need carbide cutters to do this. Pictures should explain what I did. You need a good drill press, I used a small milling machine and vice. 3/32 center cut end mill and 4-40 tap. The trigger is hard in spots so use cutting oil and go easy when tapping the hole. It was not easy but results are good and I did not need to buy a 80 dollar trigger. Did ruin one end mill but that was only 8.00
I figured the worse that could happen was I would have a trigger with a partial hole or broken end-mill stuck in it but it would be in the recess in the back of the trigger so what, the gun would still function.
 

Attachments

#9 ·
To RH 45 I also machined a sleeve to put over the trigger stop pin, and that does eliminate over travel. Put the same size sleeve on my sons gun and it prevented the gun from firing as the trigger did not have enough travel to let the striker fall, even with a mag installed. Machined a slightly small sleeve and installed it then it would fire. I guess there is some manufacturing differences with the FCU holes and the MIM trigger.
 
#7 ·
I put Gray's competition trigger kits, in both of my xfives, and there's no overtravel, due to the little sleeve they include in the kit, but, when shooting at the range, not on the clock, the creep, for the first shot drives me nuts, compared to shooting my custom limited, and open guns.
 
#8 · (Edited)
Mine still has a whiff of a creep, but it's almost gone after about 500 rounds.
In fact it's just about non-existent.
I put some fishing reel Hot Sauce grease (very slippery) on the striker lug which cleaned it up quite a bit.
Overall, if my sample of one is average, I'd say that the P320 trigger break is high quality for a striker-fired pistol.
 
#3 ·
I have shot 300 plus after modification. The spring keeps tension on the screw so it should not move once set, and so far travel after rest is really non existent and have not had to touch the adjustment screw once it was set. Did not want to use blue locktite as you have to back the screw out to remove trigger from housing.
I shoot open class in Uspsa and am used to short trigger travel. The trigger has travel as it pulls the sear down and I have added a bushing on the trigger stop pin so overtravel is also about Zero. Will never be like a 1911 trigger but it is pretty nice. 3.5 to 3.75 pounds