Let's Talk P320 Trigger Pull Weight - SIG Talk
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Let's Talk P320 Trigger Pull Weight

This is a discussion on Let's Talk P320 Trigger Pull Weight within the P250 & P320 Modular Pistols forums, part of the SIG Sauer Pistols category; I started shooting competitively earlier this year with the P320 Compact. I have two - an FDE model that almost bone stock (except the X-Ray ...


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

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Old 11-23-2016, 09:50 AM   #1
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Let's Talk P320 Trigger Pull Weight

I started shooting competitively earlier this year with the P320 Compact. I have two - an FDE model that almost bone stock (except the X-Ray front sight post I put on it) and a black one (purchased in June of this year) that I've RMR'd and had stippled by Bowie Tactical. The FDE model I've shot at the SIG Academy and just a bit in competition (once in a while I shoot Practical in 3GN) - it's had a couple thousand rounds through it so far, if that. But the black one has had at least 5000 rounds through it, and at least 10x that number in trigger pulls from dry fire practice.

Conventional wisdom says that the trigger pull on my black P320 Compact should be lightening with this much wear - that's been my hope for months given how heavy the P320 trigger is (coming over from a 4 lbs. Apex Tactical trigger on my previous M&P). I bought a Lyman Digital Trigger Guage to measure the pull weight on both pistols. The FDE model has a trigger weight (average of 5 pulls) at just about 7 lbs. even. The black one is 7.8 lbs. I suppose it could have been a bit heavier and worn down to a 7.8 lb. pull, but it seems largely unchanged to me.

I keep hoping and praying that Gray Guns will get their P320 trigger replacement done and out the door...but until then I guess I'll swap out the FCU's on my two pistols.

Has anyone else meaured the pull weight on their triggers? Have they seen any significant improvement over time?
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Old 11-23-2016, 01:09 PM   #2
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I have just over 2000 rounds through mine and it measures at 6.61 avg. 10 lyman pulls. Pretty much what is was out of the box as I remember. Certainly hasn't lighted up like any of my da/sa sigs or any of my glocks. Fortunately my 320 trigger is just about perfect for me, very smooth and the weight seems much lighter than it measures.

But so far it seems pretty similiar as was purchased, at least within a lb. if at all.
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Old 11-23-2016, 04:32 PM   #3
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See, I think the pull force is just right. It's super smooth but it's a nice easy trigger to stage. I don't think I would want it 30% lighter.
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Old 11-23-2016, 08:28 PM   #4
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I've got a cheap-a** spring loaded green, no-name gauge and mine trips at a tad over 5 pounds on average....two pulls were about 4.5, one was 6 and the other few were all 5+. Don't have thousands of rounds through it, but I bought it used...but it doesn't look hard used.

Even though it isn't a 'target' pistol I shoot it at least as well as some of my better guns....
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Old 11-23-2016, 08:46 PM   #5
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Might call The Sig Armorer (Robert Burke) and ask him what he can do?

Haven't worked on striker SIGs, just hammers.

My carry P229 has a smooth DA of 7.5 and an SA of 3 pounds (Lyman digital, mid trigger and parallel to slide). No DA pretravel or SA overtravel - just purr-fect!
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Old 11-24-2016, 07:30 AM   #6
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The P320 is very interesting because even though the break weight isn't what one would call 'light' by raw poundage (mine is around 6.7 lbs)...it feels very good, crisp and consistent. For a carry piece, I like that it isn't 4-5 lbs, thankfully so because of the super short/almost non-existent takeup. But also the linkage and leverage give it a feel that to me is much nicer and more pleasant/accurate to shoot than, say, a Glock with a 4.5 lb break.

For target shooting I can see some wanting it lighter, but for both carrying and accurate plinking/range work...even competition...I think it has a very good trigger as-is.
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Old 11-24-2016, 07:44 AM   #7
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Quote:
Originally Posted by MoRivera View Post
The P320 is very interesting because even though the break weight isn't what one would call 'light' by raw poundage (mine is around 6.7 lbs)...it feels very good, crisp and consistent. For a carry piece, I like that it isn't 4-5 lbs, thankfully so because of the super short/almost non-existent takeup. But also the linkage and leverage give it a feel that to me is much nicer and more pleasant/accurate to shoot than, say, a Glock with a 4.5 lb break.

For target shooting I can see some wanting it lighter, but for both carrying and accurate plinking/range work...even competition...I think it has a very good trigger as-is.
My sentiments exactly. Well said Mo
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Old 11-24-2016, 07:49 AM   #8
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As for me I am ok with where it is, but I guess it could stand to be a tad bit lighter for some. I tend not to focus on that topic too much anymore.
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Old 11-24-2016, 07:51 AM   #9
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Yeah, and now that I've shot over 5K rounds through my P320C...it's not so much that the trigger break weight has lightened, it's more that the slight 'clicky-ness' in the short takeup and the break has smoothed out considerably. So now it's just a straight short/light takeup (like, shorter than with the single-action on a lot of pistols), and then break with a tiny bit of creep. But it's very predictable and consistent, which is the key. I think that translates into a better overall feel than just raw break weight.
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Old 11-24-2016, 08:29 AM   #10
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Unquestionably, for both 3 Gun and USPSA, a lighter trigger is needed.

I carried my M&P 9 Compact for years with the Apex trigger. I competed with it as well. Never had a problem with the light trigger. I never understood why someone would a different trigger or gun for their carry piece vs competition.
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Old 11-24-2016, 09:28 AM   #11
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For carry/self defense, I think a lot of us want at least a little extra measure of safety when it comes to a trigger that isn't so easily fired as, say, a 3-pound single-action for competition...especially in a carry gun that has no manual safety. Even with training and proper discipline.
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Old 11-25-2016, 05:04 AM   #12
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Quote:
Originally Posted by MoRivera View Post
For carry/self defense, I think a lot of us want at least a little extra measure of safety when it comes to a trigger that isn't so easily fired as, say, a 3-pound single-action for competition...especially in a carry gun that has no manual safety. Even with training and proper discipline.


Please explain because I genuinely don't understand this thinking. We're talking about a difference of about 4 lbs of trigger pull. That makes a big difference in both accuracy and rate of fire. But safety? If you're training and practicing the gun isn't going to be pointed at anything it shouldn't, and you're going to have a proficient draw stroke. So where is an extra 4 lbs. of trigger pull going to benefit you?
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Old 11-25-2016, 05:19 AM   #13
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Most of my P320s have been around 7.5lb from the factory. After a few thousand rounds and some dry fire I was down to about 6.5lb on my first P320. That's what I used for competition for the first few years months of the 2015 season. It worked fine except it was pretty difficult for me to get under 0.20 second splits even on close targets.
I now have three P320s with Grayguns trigger work on them, two of which are using prototypes of the GGI drop in trigger kits. Those put the trigger pull down to the low 3lb range and I definitely can run them much faster than the stock triggers.
I have no idea when or if the GGI drop in kits will be released but I do know that he is using his billet P320 sears and new triggers for in house trigger jobs which has dramatically reduced turnaround time.
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Old 11-25-2016, 05:30 AM   #14
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Quote:
Originally Posted by Rolex John View Post
Please explain because I genuinely don't understand this thinking. We're talking about a difference of about 4 lbs of trigger pull. That makes a big difference in both accuracy and rate of fire. But safety? If you're training and practicing the gun isn't going to be pointed at anything it shouldn't, and you're going to have a proficient draw stroke. So where is an extra 4 lbs. of trigger pull going to benefit you?
Ideally, sure we should be able to carry a single-action-only fully cocked with no safety and a 2-lb trigger if we constantly employ proper trigger discipline. But given the unpredictable trauma and uncontrollability of a life-threatening situation, even that little extra bit of poundage could possibly help avoid a negligent fire under stress. Of course, it won't make the difference if someone fully yanks the gun by the trigger when drawing etc., but even as you are entering your finger into the trigger guard, your fine motor skills can be greatly compromised when under such duress, so the difference between a 6 and 2 pound trigger could very possibly come into play regarding firing exactly when you want to, as opposed to unexpectedly tripping it a moment before...or even letting up at the last second.

Much the same reason why many like to go with a DA first pull. It's something that many shooters feel most comfortable with, and whatever loss of 'accuracy' you'd have at likely combat distances vs. competition or target distances is probably not enough to not get the task done. I think that one can shoot extremely well and accurately enough with a 6-lb trigger to the extent that a loss of 4 more trigger pounds won't improve things dramatically within context. Especially in a gun like the P320 which has a crisper, less 'staple-gun'-like pull than a Glock's that may even measure lighter. To me, the P320 has a better combination of weight/safety and precision.

Last edited by MoRivera; 11-25-2016 at 05:42 AM.
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Old 11-25-2016, 05:41 AM   #15
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Quote:
Originally Posted by MoRivera View Post
Ideally, sure we should be able to carry a single-action-only fully cocked with no safety and a 2-lb trigger if we constantly employ proper trigger discipline. But given the unpredictable trauma and uncontrollability of a life-threatening situation, even that little extra bit of poundage could possibly help avoid a negligent fire under stress. Of course, it won't make the difference if someone fully yanks the gun by the trigger when drawing etc., but even as you are entering your finger into the trigger guard, your fine motor skills can be greatly compromised when under such duress, so the difference between a 6 and 2 pound trigger could very possibly come into play regarding firing exactly when you want to, as opposed to unexpectedly tripping it a moment before...or even letting up at the last second.



Much the same reason why many like to go with a DA first pull. It's a pretty basic and commonly accepted approach to carrying, and whatever loss of 'accuracy' you'd have at likely combat distances vs. competition or target distances is probably not enough to not get the task done.


Here's where I disagree with the above. 1st, if you're so wigged out in a defensive encounter that just putting your finger in the trigger guard area is going to (somehow) cause a reflexive pull, 4 pounds simply isn't going to make a difference. 2nd, proper training and practice means doing things that will raise your stress threshold and allow you to better operate under stress. Someone that trains and practices appropriately isn't likely to fall apart this badly when the chips are down.

I think it's a better argument that having a trigger which allows a more precise faster pull is in the end safer. The Baltimore likely to go where you want them to go and you'll get more rounds on target increasing the likelihood of stopping the thread before any response can happen.
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