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Old 05-01-2010, 19:19   #1
obxemt
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Magazine base-plate compatibility question

Will a USP-C .40 extended base plate work on a P2000sk .357 magazine?
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Old 05-02-2010, 05:38   #2
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Quote:
Originally Posted by obxemt View Post
Will a USP-C .40 extended base plate work on a P2000sk .357 magazine?
No. USP Compact magazine baseplates will not work on a P2000SK .40 or .357. The baseplates are too thick at the top where they meet the bottom of the mag. well and therefore will not allow them to lock into the gun.
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Old 05-02-2010, 07:00   #3
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Thank you again for another informed answer.

I know that HK doesn't recommend .357/.40 interchangeability, but I want the option of an extended base plate on my .357 sk. Will a .40 sk baseplate or magazine work? Or is the .357 flat base plate my only option?
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Old 05-03-2010, 08:22   #4
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HK may not recommend a .40/.357 conversion, but in my experience it works fine. I sometimes run a factory .357SIG conversion barrel in my USPc without issue. I also use my normal .40S&W magazines.

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In addition to the USPc, the P2000 and P2000SK are also capable of this conversion. The USP (fullsize) however is not, and no factory USP in .357SIG has ever been offered.

Furthermore, for the P2000SK the .357SIG mags. are the only mags. that come factory with flat baseplates. The others (9mm and .40) both come with extended baseplates. The flat baseplates are actually kind of hard to get and preferred by many over the extended ones due to generally better concealment and a more comfortable grip.

If you truly want the extended plates, a P2000SK .40S&W baseplate will fit and function perfectly and although I have not tried it with the P2000SK, given my experience with the USPc, there is not a doubt in my mind that a P2000SK .40S&W magazine would also work in your gun.

Personally, I dislike the extended baseplates (they cause my fingers to bunch up on the grip) so I did a little modification on mine. I sanded down that annoying lip so my pinky finger sits over it instead of riding on top of it. Much more comfortable for me.

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Old 05-11-2010, 23:18   #5
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Good Idea on sanding down the darn thing, I have a USP 40 COMPACT and a P-200SK. I finally found flat plates for the USP, but they will not indeed fit the SK, though the USP mags fit(and stick out)
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