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Heckler Koch LEM Trigger Conversion Kit 260204

SKU HK-260204

For USP and HK45

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$100.99

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Description

HK LEM Trigger Kit for all USP and USP Compact pistols and all HK45 and HK45 Compact pistols. This universal factory Heckler & Koch LEM kit is complete with all of the parts required for the conversion.

Comes with two hammer springs:
The longer hammer spring is for all USP, USP Compact and full size HK45.
The shorter hammer spring is only for the HK45 Compact.

USP LEM and HK45 trigger pull weights:
Use the trigger return spring that is already in your gun for light LEM trigger pull, approximately 4-5 lbs.
Use the trigger return spring in the kit for the heavier LEM trigger pull, approximately 7 lbs.


Specifications

  • Item ConditionNew
  • Product TypeConversion Kit
  • UPC642230246485
  • MPN260204

Customer Reviews

Average Rating
October 27, 2015

Outstanding trigger assembly . I previously had the Vairient 1 (sa/da with decocker) on my USP compact 40cal. This kit was easy to convert if your mechanically inclined other wise a local gunsmith is needed. The take up is effortless and trigger pull is at 4.5 lbs with a short reset. I now carry this gun concealed with confidence that first shot and second shot are quick on target in a tight group where as before with a heavy trigger pull I had a slower response time to stay on target. LEM trigger is the way to go. Highly recommend! !!!

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July 23, 2017

I have converted to H&K usp solely because of the LEM trigger. It is the safest trigger system that I know of while still maintaining a reasonable pull weight. If your usp was made before 2005, you need to order the new style catch to make the conversion work.

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October 18, 2017

Excellent trigger kit from H&K designer Helmut Weldle. I don't think the LEM gets enough attention. Far superior to DAO "Innovations" such as the Double Action Kellerman or Double Actoin Plus (LH9). If you have a USP v1 or any variant, even match (Tactical, Elite, Expert) you will benefit from the LEM kit. It allows you to tune it to your liking, especially if you have match parts either stock or purchased. With this kit you have two very different pull weights that change the feel in general. LEM Heavy is my preference for EDC or defensive use, With a simple spring change you can go to LEM light. And for absolute perfection you have the option of Match/Lem hybrid. In general I believe the LEM makes your USP even MORE reliable, the hammer spring is heavier while the trigger, even on heavy LEM, is much smoother and lighter than the DA pull on a DA/SA setup. The lem gives you the double action length of pull, but also has a defined wall where it breaks. LEM is really more like a Single Action pull with a long take-up, and very short reset. Also worth mentioning is the fact that its very easy and even quick with practice to install the LEM, and to switch between LEM and DA/SA V1, DOA V7, or any other variant (USP) on demand. My Advice? Buy this, and install it for LEM heavy. After 300 rounds down range it smooths out to be the best of both worlds. The safety of a double action, long and heavy(Ish), and the crisp clean break and short reset of a single action.

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September 22, 2017

I bought this to convert a HK 45C from V1 to LEM. This kit comes with everything you need and some extra parts that you won't need for the conversion. It took me about 30 minutes to install it with only a 2mm punch (other sizes will work) and a toothbrush (to push the hammer spring lockout back into place - any soft plastic will work though). This kit will take your trigger and turn it into a DAO with single action pull. Once you have a FTF/FTE after pulling the trigger, you'll then get a double action pull on the trigger. Note: You will lose the safety unless you get a V5/V6 detent (separately). You will not have a decocker after the conversion. Overall, I would recommend this kit to anyone who wants a lighter trigger pull that still utilizes full factory parts.

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October 18, 2017

Excellent trigger kit from H&K designer Helmut Weldle. I don't think the LEM gets enough attention. Far superior to DAO "Innovations" such as the Double Action Kellerman or Double Actoin Plus (LH9). If you have a USP v1 or any variant, even match (Tactical, Elite, Expert) you will benefit from the LEM kit. It allows you to tune it to your liking, especially if you have match parts either stock or purchased. With this kit you have two very different pull weights that change the feel in general. LEM Heavy is my preference for EDC or defensive use, With a simple spring change you can go to LEM light. And for absolute perfection you have the option of Match/Lem hybrid. In general I believe the LEM makes your USP even MORE reliable, the hammer spring is heavier while the trigger, even on heavy LEM, is much smoother and lighter than the DA pull on a DA/SA setup. The lem gives you the double action length of pull, but also has a defined wall where it breaks. LEM is really more like a Single Action pull with a long take-up, and very short reset. Also worth mentioning is the fact that its very easy and even quick with practice to install the LEM, and to switch between LEM and DA/SA V1, DOA V7, or any other variant (USP) on demand. My Advice? Buy this, and install it for LEM heavy. After 300 rounds down range it smooths out to be the best of both worlds. The safety of a double action, long and heavy(Ish), and the crisp clean break and short reset of a single action.

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