LTT Trigger Job in a Bag Beretta PX4

Langdon Tactical
SKU:
PX4TJIB
$245.00
(62 reviews)
Current Stock:
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After several thousand trigger jobs on Beretta 92s and PX4s, LTT has the process down to a formula. We now offer what we call Trigger Job in a Bag. Purchase this kit to receive all of the important parts involved in a trigger job that are pre-polished and stoned to give you close to the same trigger job you would get if you sent it to us.

In August 2025, LTT switched over to a newly designed optimized performance hammer to optimize total trigger job performance in every way with improved sear notch geometry, reduced pre-travel distance, faster lock time, and better firing pin indent with lighter hammer springs. We believe this kit set-up gives you the best Trigger Job Performance and stand behind this hammer design, which has been over a year in development and manufacturing. 

The PX4 Trigger Job in a bag works in the PX4 Full-Size and Compact 9mm models and .40 S&W.

The PX4 TJIB had a price increase in November 2025 due to the price of steel and imports. 


PX4 Trigger Job in a bag includes

  • We are now offering the PX4 Trigger Job in a bag with the Beretta Competition Trigger Group again and not the factory trigger group.
  • Chrome Silicon hammer spring available in 10lb or 11lb 
  • Black DLC Optimized Performance Trigger Bar
  • Hammer 2025 LTT Optimized Performance Hammer or the 2025 LTT Optimized Performance Spurless Hammer

Lead Time 3 to 5 business days

PLEASE NOTE This kit MAY require some fitting for proper install and function - please make sure to watch the install instructions video, see below for the link. We recommend that this kit be installed by a competent gunsmith. No returns will be accepted on opened kits.

Check out our YouTube page for install instructions

DISCLAIMER We recommend that this product as well as all other firearms parts and kits sold by Langdon Tactical be installed by a competent pistolsmith. No liability is expressed or implied for ANY damage or injury which may result from improper installation or use of this product. Installation of any firearm parts may limit or void the manufacturer's warranty. We strongly recommend that the safety and operation of your modified handgun be thoroughly checked by an accredited gunsmith prior to use.

Please reference our Terms and Conditions. Due to the complexities of complying with the Federal warranty law, Langdon Tactical Technology, Inc. does not offer a written warranty. We continue to stand behind our products and services, and to care for our customers, but we cannot make guarantees or warranties of any kind. This general statement of policies and disclaimers is effective January 1, 2016.

  • 2
    Will this trigger job fit a type C PX4 the gunsmith said there was a problem with the trigger bar

    Posted by Patrick Pease on Sep 18th 2020

    The gunsmith seems to be having a problem with it.

  • 5
    Trigger Job In A Bag - PX4

    Posted by Bruce Rank on Aug 31st 2020

    I ordered this for the full size PX4. I think it's an Excellent product. I ordered the 11 pound hammer spring but haven't had a chance to test it at the range. I had previously installed the Optimized Performance Trigger Bar and it reduced the trigger reset to the minimum possible. I can't wait to see how it performs at the range. I don't know if the 11 pound hammer spring will cause any issue with light primer strikes but we will see. I do believe with Langdon Tactical products you really can't go wrong. Thanks for all you do for the sport of shooting.

  • 5
    Trigger Job In A Bag - PX4

    Posted by Chris R on Jul 23rd 2020

    Ended up selling my last PX4 only because I hated the reset on the trigger. As soon as I found out Langdon Fixed this I went out and bought another PX4 Compact. Although the 1st trigger bar I received was defective, Langdon immediately shipped me a new one and Still giving 5 stars for great Customer support.

  • 5
    trigger job with trigger bar

    Posted by Mike on Jul 20th 2020

    Simply great. Take up is almost non existent with the trigger bar and the action is smooth and light with the trigger job in a bag. Not as nice as my ltt centurion with np3 coating, actually no where near as smooth as the 92, but very good non the less.

  • 5
    Easy to install, changed the trigger pull from ok to excellent.

    Posted by Richard Schott on Jul 17th 2020

    I would recommend this to anyone who wants to make their PX4 a great shooting handgun.

  • 5
    Made ordering error. I have the sub-compact, so I can not use it. Hope I get to exchange it for a trigger on a different handgun. a

    Posted by Gregory John Mcclure on Jul 10th 2020

    Is there any chance to exchange it for a S&W M&P Shield .40 cal.

  • 5
    Final results

    Posted by George Vance on Jul 8th 2020

    Watched the video (multiple times) and was able to get the install done in around an hour. Once in the end results are fantastic

  • 5
    Px4 trigger in a bag

    Posted by Ken on Jun 27th 2020

    Just got back from the range. Installed a PX4 trigger in the bag, 11 pound spring with the optimized trigger bar in my 9mm compact. Shot my full size with factory trigger first and had a 4 inch group. Switched to my compact with the new trigger and had a 2 inch group, 7 yards away. Had a range master with me and he also commented on how instantly you could see a difference on the target. I'm not a competition shooter, just hit the range about two or three times a month. It was easy to install. Wish I could attach a pic of my target to the review...

  • 5
    Easy to install The trigger feels like my cz shadow 2 and it’s amazing

    Posted by Shimon Shachar Nakash on Jun 5th 2020

    I wish the product will come with the solid steel trigger

Reviews

  • 2
    Will this trigger job fit a type C PX4 the gunsmith said there was a problem with the trigger bar

    Posted by Patrick Pease on Sep 18th 2020

    The gunsmith seems to be having a problem with it.

  • 5
    Trigger Job In A Bag - PX4

    Posted by Bruce Rank on Aug 31st 2020

    I ordered this for the full size PX4. I think it's an Excellent product. I ordered the 11 pound hammer spring but haven't had a chance to test it at the range. I had previously installed the Optimized Performance Trigger Bar and it reduced the trigger reset to the minimum possible. I can't wait to see how it performs at the range. I don't know if the 11 pound hammer spring will cause any issue with light primer strikes but we will see. I do believe with Langdon Tactical products you really can't go wrong. Thanks for all you do for the sport of shooting.

  • 5
    Trigger Job In A Bag - PX4

    Posted by Chris R on Jul 23rd 2020

    Ended up selling my last PX4 only because I hated the reset on the trigger. As soon as I found out Langdon Fixed this I went out and bought another PX4 Compact. Although the 1st trigger bar I received was defective, Langdon immediately shipped me a new one and Still giving 5 stars for great Customer support.

  • 5
    trigger job with trigger bar

    Posted by Mike on Jul 20th 2020

    Simply great. Take up is almost non existent with the trigger bar and the action is smooth and light with the trigger job in a bag. Not as nice as my ltt centurion with np3 coating, actually no where near as smooth as the 92, but very good non the less.

  • 5
    Easy to install, changed the trigger pull from ok to excellent.

    Posted by Richard Schott on Jul 17th 2020

    I would recommend this to anyone who wants to make their PX4 a great shooting handgun.

  • 5
    Made ordering error. I have the sub-compact, so I can not use it. Hope I get to exchange it for a trigger on a different handgun. a

    Posted by Gregory John Mcclure on Jul 10th 2020

    Is there any chance to exchange it for a S&W M&P Shield .40 cal.

  • 5
    Final results

    Posted by George Vance on Jul 8th 2020

    Watched the video (multiple times) and was able to get the install done in around an hour. Once in the end results are fantastic

  • 5
    Px4 trigger in a bag

    Posted by Ken on Jun 27th 2020

    Just got back from the range. Installed a PX4 trigger in the bag, 11 pound spring with the optimized trigger bar in my 9mm compact. Shot my full size with factory trigger first and had a 4 inch group. Switched to my compact with the new trigger and had a 2 inch group, 7 yards away. Had a range master with me and he also commented on how instantly you could see a difference on the target. I'm not a competition shooter, just hit the range about two or three times a month. It was easy to install. Wish I could attach a pic of my target to the review...

  • 5
    Easy to install The trigger feels like my cz shadow 2 and it’s amazing

    Posted by Shimon Shachar Nakash on Jun 5th 2020

    I wish the product will come with the solid steel trigger