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just bought a used USP Compact .45. questions inside.

2076 Views 16 Replies 12 Participants Last post by  DaZe831
As the title states, I recently purchased my first HK pistol. I have owned plenty of pistols before, but this is the first I've owned with a tactical rail system. The gun has some gouges in the polymer due to the sloppy installation and removal of accessories. My question is, how can I remove these gouges. Should I take some high grit sand paper to it or should I take it to a Smith? The slide also needs to be re blued but that can wait considering this is my carry weapon.

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Pictures? Answers may vary depending on locations and severity....

Also Welcome! You are on the right site for these kinds of questions...and congrats the USPc is my favorite platform thus far (if you couldn't tell! Lol)
Welcome to the site--- agreed on pictures for location/severity of issues!!! :wink:

I'd suggest trying out a rail adapter on your "gouged" accessory rail, it's not a standard accessory rail. Function over aesthetics for a carry gun in my opinion.
If you do any sanding of the rail, it will tend to loosen the fit of anything you install later. These dimensions need to be maintained if things are to work properly. If it is a duty gun, just mount a laser or a light and cover it up with the mount. You might consider doing a factory type of process on the slide, as that tends to be a better finish than a traditional blue.
Sorry for the delay. I was looking for a way to attach images through the forum but realized I have to go through photobucket or something similar.

I am aware that the HK rail is proprietary to HK products and the pistol came with an aftermarket rail adapter for the standard picatanny rail. I don't plan on sanding very deep at all if that's even the route I decide to take.

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If it ain't broke, don't fix it!
If it ain't broke, don't fix it!
Very well put
WOW--- did a "chimp" attach the accessories??? :eek:
I would probably keep as-is but would only lightly sand and dye. :wink:

Man, that is one butt-ugly butcher-job someone did. Whoever had this one needs to be removed from the gene pool, or at least neutered to prevent further degradation.... Hopefully the barrel looks better than the plastic. How does the bore look when it is cleaned, is it nice? If it's in good shape, it will still be a good shooter. I would second the dye / shoe polish treatment and leave it at that. Just cover it over with a rail, forget about it and enjoy shooting!
Yeah, it's pretty scarred up, but chicks dig cool scars, right? The barrel looks good on the inside but shows some wear on the outside. As far as cleanliness, it was spotless of residue and whatnot. I picked it up for a good deal so I'm pretty happy with it. Shoots pretty nice. Way better than the Glock27 it replaced.

I haven't heard of dyeing polymer before. Can someone point me in the right direction for a step by step?
Yeah, it's pretty scarred up, but chicks dig cool scars, right?
Maybe the younger chickza that mutilate their bodies... most of the women I've known treat scars as an "ewww" moment. I still retain several unintended motorsickle body modifications that were a major turnoff back when I was actively hunting chickza...

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One tough night stick

Something like that I would send in to HK, let the shop do it and call it a day, that way they can check it for fractures etc and make sure you are good to go.
Yeah it ain't pretty, but if it were me I would leave it and spend the saved repair money on ammo or extra mags. If it really bothers you I would send it to HK before chancing a hack job by just any gunsmith out of the phone book.
Ditto on asking HK. I've seen some pretty bad DIY gun smithing that could've easily been avoided.
Welcome to HK Pro! :)
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