P320 Adjustable Straight Trigger
$94.00 – $99.00
This Grayguns P320 Straight Trigger features an adjustable design. It is the ultimate fire control refinement for the versatile P320 platform, embodying the best innovations from Bruce Gray’s continuing R&D program with SIG Sauer®.
Proudly American-made from precision machined tool steel, heat-treated, hand-finished, and gauged for perfect appearance, fit, and function.
Available in standard black oxide. Occasionally available in Titanium nitride (TiN) Gold, Nickel PTFE, Physical Vapor Deposition (PVD) Blue, or PVD Coyote finish.
Description
Our P320 Adjustable Straight Trigger is designed for hard-duty use, with the toughness to outlast your pistol. Our P320 triggers are Grayguns Grade and guaranteed for life.
P320 Trigger Specifications
- Straight-faced (flat trigger) design
- Adjustable over-travel eliminates gross movement after the sear is released and reduces trigger travel to reset. The trigger preserves all manufacturer safety values.
- Enhanced Leverage geometry reduces pull weight by 30% with stock springs
- Smoother takeup, sear release and reset sensation
- Optimal 90⁰ sear release
- Supports Voluntary Upgrade rough handling characteristics for assurance and reliability
Competition Kit
Are you looking for a competition kit for your P320? We do offer a range and competition-only kit!
P320 Trigger Finishes
Black Oxide
- Standard blued finish
Titanium Nitride (TiN)
A well-proven standard layer type through its balanced properties. The golden titanium nitride layer, abbreviated TiN, indicates the following properties:
- High hardness and adhesion
- Good chemical resistance
- Good temperature resistance in air
- Relatively low thermal conductivity
- Attractive, golden color
Physical Vapor Deposition (PVD)
This state-of-the-art process creates a molecular bond to the trigger, resulting in a durable finish. The PVD finish should not rust, discolor or tarnish.
P320 Trigger Fit Guide
Fits all variations within the P320 (upgraded) system, including all sizes, TACOPS Carry, X-VTAC, X-Carry, X-Five, Legion, and RX versions.
Additional information
| Weight | N/A |
|---|---|
| Package Dimensions | N/A |
| Finish | Black Oxide, TiN Gold, PVD Blue, PVD Coyote, Nickel |
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Disclaimer
Many parts sold by Grayguns - including but not limited to triggers, trigger kits, internal components and spring kits - are intended for installation by a qualified armorer or gunsmith who is familiar with the firearm.
Although kits fit with no issues in a great majority of pistols, Grayguns cannot guarantee perfect functionality in every instance.
Due to varying tolerances present in all mass-produced firearms, professional fitting by a qualified armorer who is familiar with the pistol's action may be required.
Grayguns offers installation services for all parts kits we offer. If you have any issues or questions about the installation process, STOP IMMEDIATELY and contact the Grayguns Customer Service Team.
Joe Tine (verified owner) –
I bough the Sig as is because I liked it from the box and enjoyed it with target practice at my local range. The shop where I bought it and the range agreed that a Grays trigger will be the only thing I want to change. Mostly I buy something because I like what it is, not what I can do to it… So making a bunch of changes is never in my plan. Not only was the trigger rather simple to change out.. but it is a huge benefit in trigger pull and reset. Extremely happy I made the change and even though the cost was more than I initially planned to spend.. it was worth the cost. No shipping delays and great packaging. They included a set screw behind the trigger to help adjust the over-travel, which took a few minutes but not hard for this non gunsmith. Overall.. highly recommend and appreciate the great service.
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Joel Vanni (verified owner) –
I had a few reservations about getting am aftermarket trigger as it is for my EDC. I read a lot of threads of folks using this and or the comp kit for EDC, I even talked to a few OP’s of the threads and still had reservations so i called Gray Guns customer support and actually talked to one of their gun smiths and talked about my what I was looking for and my concerns. The smith was very friendly and easy to talk to and very knowledgeable, advising me that this trigger by its self would provide exactly what I was looking for which was a crisp break, shorter over travel, and better and more noticeable reset.
i installed the trigger, and wish there was better documentation from Gray Guns as it’s hard for me to feel comfortable with 3rd parity instructions with the updated trigger design where is attaches to the trigger bar. I was able to find a good video with this new trigger design and was easy to complete the install successfully. went straight to the range and was really happy with how the trigger performs, not only does it meet my needs but met them and surpassed what i was looking for and feel extremely confident carrying it everywhere i go!
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jrichter (verified owner) –
I’ve spent thousands on upgrades of all kinds for Glocks and Sigs and typically only see incremental improvement in function or accuracy. This trigger accomplished more than all more other expenditure combined. Performs beyond hope, excels in every way. Improved performance and accuracy!
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Peter Pesce (verified owner) –
The trigger is a great upgrade. A smooth pull with a crisp break, followed by a short reset. Well worth the $. Factory quality++. I had some trouble on the install. Watched videos online to no avail. So I called Gray customer service. It went to voicemail and I didn’t leave a message. 30 seconds later my phone rang. I described my problem to Chris, He sent me a video of their gunsmith’s install. Got it immediately. Works flawless. They definitely are there to support you! Highly recommended.
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JOSE RODRIGUEZ (verified owner) –
I got this trigger and i already feel the difference, i definitely recommend it. What a difference from the stock trigger
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Brett Hoover (verified owner) –
The quality is what you would expect from Grayguns. I purchased this to pair with the competition trigger kit, because I’m a sucker for a visually well-coordinated pistol and I use a lot of brass parts.
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Outstanding!
Sidney Webb (verified owner) –
This trigger is noticeably crisper than the standard trigger. It seems to reduce the feel of the trigger weight. The adjustment screw is a nice feature, and it makes a difference. As to the installation, make sure you check out some videos online and watch out for that trigger bar spring; if you use needle-nose pliers to put it in place, be sure not to deform the spring.
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Tim Gray (verified owner) –
First time dealing with Gray Guns. Shipping was pretty quick, installation was very easy. I had to google the direction to turn for adjusting the screw-CCW to decrease trigger. Very satisfied! Just wish I had received a sticker, with the same last name and all, Gray. 🙂
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rwsopt (verified owner) –
Spoke to customer service before ordering and Chris was awesome. Put me in the right direction. The difference after having Grayguns straight trigger installed on my Sig P320 M17 was great. Just what I was looking for.
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Larry Dagley (verified owner) –
The title says it all…………. AWESOME!!!
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tim4 (verified owner) –
The Sig P320 curved trigger isn’t bad, but my finger kept getting rubbed a little raw with multiple firings. I had already put the Gray Guns flat trigger on my Sig P365 and loved it so I tried it on the P320. I was afraid it might increase the pull, but it did not. It is an improvement in every way for me. Better feel, better length of pull, and it is adjustable. Plus no more irritation of my trigger finger. Great step up IMO.
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Gregory Dillard (verified owner) –
So I spent the big bucks for the SIG P320 FCU from their custom shop. Purchased the GrayGuns P320 Adjustable Straight Trigger and honestly the trigger pull and reset is better 3.8 lbs vs 4.1 lbs with the GrayGuns trigger for less than 1/4th the price!!
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steveoglesby (verified owner) –
My M18 had a decent pull from the factory. I just installed this trigger (I’m not a gunsmith), and the pull is noticeably lighter. And after adjusting the overtravel, it feels even better. This might be the only custom trigger currently available for the M17/M18., and it’s well worth the price.
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