P320 Adjustable Straight Trigger Kit – Competition
$159.00 – $164.00
The Grayguns Adjustable Straight Competition Trigger Kit for the SIG Sauer® P320 is a drop-in, enhanced trigger package with competition sear for your P320 that reduces trigger weight as low as 4 pounds, preserving all mechanical safety values. Includes our adjustable straight trigger with built-in over-travel adjustment.
They are designed explicitly for P320s with current fire control unit components or those who have undergone SIG’s Voluntary Upgrade Program. This system is for competition or range use only.
Available in standard black oxide. Occasionally available in Titanium nitride (TiN) Gold, Nickel PTFE, PVD Coyote, TiCN Copper or other finishes.
Description
The new Grayguns P320 Adjustable Straight Competition Trigger Kit delivers our custom action work’s unequaled smooth feel and hot performance in a cleverly engineered drop-in kit. For serious competition shooters, this is an excellent aftermarket upgrade.
Paired with Bruce Gray’s exclusive straight trigger design, this is the most advanced drop-in competition system available for all post/Voluntary Upgrade P320 models.
Exclusive Grayguns Elements Included
- Our newly designed straight trigger (flat face) with built-in over-travel adjustment (The over-travel sleeve is no longer included)
- Precision-ground custom sear, polished and finished in hard nickel PTFE. Specifically designed for competition or range use only.
- One set of Grayguns’ original competition sear springs (Silver in color)
- One set of intermediate competition sear springs (Gold in color)
- One Grayguns’ original competition light trigger bar spring
- One intermediate trigger bar spring (between our competition light and factory weight)
- Micro-polished, extended safety lever pin
If you prefer, you can send your pistol to Grayguns for our P320 Competition Action Package, where we will install and tune it for you.
P320 Straight Competition Trigger Specifications and Features
- Specifically intended for use only in P320s that have gone through SIG’s Voluntary Upgrade Program.
- Reduces trigger pull weight to suit your preferences, with additional springs provided to yield custom pull weights.
- Adjustable over-travel, stops at an optimum trigger face angle
- Smoother take-up and clean release sensation, with a clean reset
- Preserves factory sear face engagement height and mechanical safety values
- Proven reliable and durable for high-volume professional use
- Limited lifetime warranty on materials and workmanship
Finishes
Black Oxide
- Standard blued finish
- Occasionally available in Titanium nitride (TiN) Gold, Nickel PTFE, Physical Vapor Deposition (PVD) Blue, or PVD Coyote 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.
Nickel PTFE
Electroless Nickel PTFE (Teflon®) is an advanced, self-lubricating composite coating with PTFE particles co-deposited in the electroless nickel layer. Provides a hard, uniform, self-lubricating coating for our premium aftermarket triggers.
Other Finishes
- A hybrid nickel and bluing finish that is similar in color to Oil Rubbed Bronze
- The TiCN Copper finish features high hardness, low residual stress, good abrasive wear resistance, and high reliability in dry operations.
Fit Guide
It fits all variations within the P320 (upgraded) system, including but not limited to the following models.
- Standard P320, M17 and M18
- XSeries models
- XFive Legion
- P320-XTEN
- P320 MAX
- X-VTAC
- P320 Spectre Comp
- P320 AXG models
Additional information
Weight | N/A |
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Package Dimensions | N/A |
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5 reviews with a 4-star rating
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.
Michael Cunningham (verified owner) –
Just installed in my newly acquired XTEN, installation was relatively easy, now if they would just get the magwell and bases back in stock.
The trigger pull change was not as light as I had hoped, or as others stated, pretty costly for mediocre change.
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James Griffith (verified owner) –
With the changes made with this kit, my trigger went from 4 lbs to 2.5 lbs. The pull is so smooth, and it was easy to install. The only problem I had with this kit was the actual trigger. It would not install in two different FCUs. The relief cut needed to attach the trigger to the trigger bar isn’t sufficient to install correctly.
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coreycollins (verified owner) –
Great product- reduced pull weight to <2#- Perfect for Competition for me. I did polish all parts of course since the FCU was apart. My only challenge with the installation was getting the trigger and trigger bar to seat using the installation method described by SigGuy. I find that the trigger rest spring cannot be hooked into the FCU and trigger bar- I had to use the "old" method of seating the trigger in the bar then use needle nose pliers to hook the spring into the FCU (carefully to not bend spring) I think it is inherent in the GG trigger design since the stock trigger drops in no problem. Maybe GG could do an "official" video (Like the p series trigger video) and clearly demonstrate how it should go?
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jeddedia (verified owner) –
This kit includes two options: Intermediate and Competition. Both are a significant upgrade to the stock trigger/FCU.
Running with the Intermediate currently and it’s a great trigger, will use the competition after I run this for a bit.
You should be familiar with the FCU before you try to take it apart and install this kit, plenty of youtube videos out there 🙂
I ordered the PVD Blue to give a slightly flashier look, they were out of stock for some time and mentioned they were looking for a new company to coat the triggers. The finish is good, not great. One side of the trigger is a really nice blue and the other side is kind of a purple/blue; much more subdued and almost not noticeable when the gun is in your hand. The coating/finish consistency needs improvement but the trigger and components are great!
P320 XC Grip Module
4.7 Pro-Cut slide / DPP
4.7 GGP barrel
GG Custom Fat Guide Rod
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Cort Steinhorst (verified owner) –
This kit would be perfect if one could buy it with or without the trigger or if the trigger had adjustment screws for take-up and overtravel. The trigger pull is outstanding for a striker fired pistol after completing the installation of the springs and sear.
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