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P320 Trigger Change Observations

This is a discussion on P320 Trigger Change Observations within the P250 & P320 Modular Pistols forums, part of the SIG Sauer Pistols category; Hey loyal P320 fans. Greetings from SW Ohio. I want to throw in my 2 bits worth about my favorite gun and what I have ...


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P250 & P320 Modular Pistols P250, P320, and Exchange kits

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Old 04-02-2017, 05:39 PM   #1
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P320 Trigger Change Observations

Hey loyal P320 fans. Greetings from SW Ohio. I want to throw in my 2 bits worth about my favorite gun and what I have seen while playing around with standard and aftermarket triggers. I have three 320 FCUs and a variety of grips and slides including compact and full RX. I have changed triggers and experimented on two of the FCUs. On the first, the standard trigger outta the box came in at 7# 9oz (Lyman ave of 6), right in the neighborhood of what Bruce Gray states in the GG video. I experienced some trigger bite and switched to Apex 1.0 and that took the bite away. Trigger pull was unchanged compared with standard, but it was a great improvement in feel for me. Switched to GG trigger and spring and the pull went to 5# 1oz with the same feel advantages (for me, anyway) of the Apex 1.0. I was sold on the GG trigger then. Keep in mind, that Im a range guy at this point, and the lighter the trigger, the more I like it. I have a P229 Legion and love that trigger. But this P320 with the GG trigger is a toss up with the Legion. When you factor in the ergos, wt and modularity, I may like the 320 more. BTW, I fully understand the concerns of a carry trigger getting too light for those who are most concerned for carry fitness. Now to FCU #2. Pull wt outta the box was 5# 9.5 oz. A drastic difference from #1. Lesson? Significant variability of the units as they come from SIG? Luck of the draw here? Based on many of your posts, I suspect that may be true. Replaced with Apex 2.0 and the improvement was only 10oz, but good feel. I add that I had a lot more trouble installing the 2.0, likely due to its geometry of the stud location into the trigger bar. I use the GG install method without tools and have no trouble with the standard, Apex 1.0, and GG triggers, very smooth. Not the Apex 2.0- a real *****! Have yet to try GG trigger in FCU #2, but I will. Will keep you posted. Sorry for this long and wordy post, but I hope it helps at least a few
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Old 04-02-2017, 06:29 PM   #2
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Thank you. I am considering the Apex 2 myself and appreciate the feedback. I need to buy a gauge. My 320 has a great trigger but I have no idea what the weight is stock.
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Old 04-02-2017, 07:07 PM   #3
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Good luck! One thing worth saying, I think, is that the P320 has a great feeling trigger as is. Aftermarkets are about splitting hairs, fine tuning, and icing on the cake, so to speak... But fun to play with! The sights as well. I put on X-Ray 3s in place of the SigLites and that was a blast for me. Then I swapped the front for an Amariglo Pro-Glo orange and shot 100 rnds with it today. Nice! If you can't tell, I'm a tinkerer at heart... Whether you tinker or leave it as is, the 320 is just a great system.
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Old 04-02-2017, 07:17 PM   #4
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BTW, Charleston is a great place. Lucky you. A favorite vacation destination for me.
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Old 04-02-2017, 08:03 PM   #5
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Those are interesting results. Def intrigued for the GG trigger results in the second FCU
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Old 04-02-2017, 08:49 PM   #6
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Quote:
Originally Posted by markbidwell View Post
BTW, Charleston is a great place. Lucky you. A favorite vacation destination for me.
Charleston is a great place to live. I love it here.

"Icing on the cake" is a good way to describe why people want to upgrade parts on an already great pistol.
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Old 04-02-2017, 09:03 PM   #7
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Quote:
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Quote:
Originally Posted by markbidwell View Post
BTW, Charleston is a great place. Lucky you. A favorite vacation destination for me.
Charleston is a great place to live. I love it here.

"Icing on the cake" is a good way to describe why people want to upgrade parts on an already great pistol.
Lived in Charleston for three years and love the low country. Laid back Southern living. It was on our retirement short list until the wife read a thread on a travel site talking bout gators and snakes.
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Old 04-03-2017, 05:57 AM   #8
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I had the same issue installing the Apex 2.0 trigger in my 320 but chalked it up to being the first aftermarket trigger I've put in
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Old 04-03-2017, 12:51 PM   #9
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Huh I had no issues installing the Apex 2.0 trigger in my P320sc. Maybe I got lucky. My trigger pull weight with the Apex 2.0 dropped 1# 9.5oz on a trigger that started at 6# 12.5oz
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Old 04-03-2017, 02:11 PM   #10
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Huh I had no issues installing the Apex 2.0 trigger in my P320sc. Maybe I got lucky. My trigger pull weight with the Apex 2.0 dropped 1# 9.5oz on a trigger that started at 6# 12.5oz
I just put my apex 2.0 trigger in. It was easy to drop it in. Wish I had a gauge to test the trigger. Not sure exactly how much it dropped but it seems smoother and lighter then factory. I'm happy with it
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Old 04-03-2017, 03:40 PM   #11
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I am going to try the GG trigger in FCU #2 and test it and will also try Apex 2.0 in FCU #1. I wonder if its will go in easier in that one?
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Old 04-03-2017, 04:03 PM   #12
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Hello from Dayton Ohio. I bought a GG trigger but haven't installed it yet. So OP are you still preferring it to the Apex?

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Old 04-03-2017, 06:12 PM   #13
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Hey bk, I'm just across the way in Centerville. I decided to redo the whole test so I have numbers for four triggers on two different guns. Gonna take a while to format it but I'll try and get it posted tonight. I have a 3rd 320 FCU and will soon try it with all four triggers as well. I still prefer the GG. You will see why.
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Old 04-03-2017, 06:30 PM   #14
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Anyone know if there's a way to put a Word attachment in these posts? That sure would be easier than trying to type all the numbers in the post window in a usable format.
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Old 04-03-2017, 06:56 PM   #15
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Small world, my brother in law is a police officer in Centerville.
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