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83 Posts
Discussion Starter #1
I just borrowed my friends 15+ year old usp and was thinking of showing it a little love,it is still bone stock, what should be replaced in it?springs, etc? thanks
 

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H&K Certified Armorer
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8,216 Posts
How many rounds through it? Minimum service for many of the parts is 10,000 rounds.
 

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+1....also might want to take a look at pricing on the parts....I don't have ANY friends I like THAT much!!
 

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Vendor
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Common replacement items:

Trigger return spring
Firing pin block spring
recoil spring
extractor spring
roll pin 3 X 14mm HK suggests to replace these EVERY time you knock one out they should be replaced with a new fresh pin.
Mag springs (super common issue)
O-rings (if your firearm uses them)

There may be more but this covers the main wear and tear components. I hope this helps.
 

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Discussion Starter #5
thanks, picked him up a recoil spring,hammer spring and 2 mag springs.the mag springs were hurting.
 
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