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Discussion Starter #1
So if understand correctly the hammer from the USP compact series will fit the HK45c?
Also will the control lever fit from the USP compact onto an HK45c?
 

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These parts, plug the magazine catch, may fit, but they're different part numbers. Probably for a good reason...

The HK45C mag catch has been proven reliable in the USPC, but I've not seen evidence of reliability of the other parts.

-- Chuck
 

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Discussion Starter #3
I am just looking to install a bobbed hammer and smaller control lever. Thinking this might work.
 

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So if understand correctly the hammer from the USP compact series will fit the HK45c?
Also will the control lever fit from the USP compact onto an HK45c?
I have a USPC control lever on my HK45 full size, it just takes a little modification so in theory it should fit the 45C.

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I have a USPC control lever on my HK45 full size, it just takes a little modification so in theory it should fit the 45C.

Sent from my Kindle Fire using Tapatalk
I recently posted regarding the conversion from Variant 1 to 9/10 with the V5/6 detent plate, here's the gun now wearing an ambi safety from a USPc after slight modifications to the part. The levers are a little slimmer than the HK45 levers and I got it at a good price courtesy of Holshot36.





Works good so far, with the newer detent plate the action of the safety is a little stiff, I might take some Flitz and a buffing disc to it to see if that smooths it out a little.


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Sent from my Kindle Fire using Tapatalk
 

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Discussion Starter #6
I noticed the same thing on my HK45c. Going into safe is stiff but coming out is fine. That maybe part of the design.
 

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I know that the hk45c firing pin, firing pin spring, firing pin block and block spring are interchangeable for the USPc. The magazine release is also. I have also used the same trigger rebound spring in both models.
 
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