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Discussion Starter #1
Heckler and Koch Part #214212 (Wolff Gunsprings Part #78571) for use in:

USP 9mm 15 round
USP 40 SW 13 round
USP Tactical 40 SW 13 round
USP Compact 45 ACP 8 round
USP Compact 9mm 13 round
USP Compact 357 SIG 12 round
USP Compact 40 SW 12 round
USP Compact Tactical 45 ACP 8 round
P2000 9mm 13 round
P2000 357 SIG 12 round
P2000 40 SW 12 round
HK45 Compact 8 round
**This spring has also been reported to work well in the P30/P30L magazine**


Heckler and Koch Part #214850 (Wolff Gunsprings Part #78671) for use in:

USP 9mm 10 round
USP 40 SW 10 round
USP 45 ACP 10 round
USP Tactical 40 SW 10 round
USP Tactical 45 ACP 10 round
USP Compact 9mm 10 round
USP Compact 357 SIG 10 round
USP Compact 40 SW 10 round
P2000 9mm 10 round
P2000 357 SIG 10 round
P2000 40 SW 10 round


Heckler and Koch Part #214833 (Wolff Gunsprings Part #79331) for use in:

USP 45 ACP 12 round
USP Tactical 45 ACP 12 round


Heckler and Koch Part #207218 (Wolff Gunsprings Part # NA ) for use in:

P2000SK 9mm 10 round
P2000SK 357 SIG 9 round
P2000SK 40 SW 9 round
**A Wolff gunsprings Part #78571 spring has been found to work well in the SK mags by cutting off the bottom coil(s) so it matches the number of coils in a P2000sk spring**

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Wolff +10% magazine-springs are available at www.gunsprings.com

+++ BE FOREWARNED +++
Wolff +10% mag-springs are VERY strong, and they sure can be stiff knucklebusters when they are new! :)
 

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As soon as I saw this first posted (before it became a sticky) I copied it down. Thanks for taking the time to figure it all out for the rest of us.
 

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Discussion Starter #3
As soon as I saw this first posted (before it became a sticky) I copied it down. Thanks for taking the time to figure it all out for the rest of us.
Awww shucks, you're welcome!

Although it was my idea, and I am the one who wrote it all out like this, Big Bore was the one who gave me the HK part numbers. He deserves half the credit! :)
 

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Orfeo asked me to compare the USP .45 and the SOCOM springs.
Here is a picture of both. Both mags are brand new, never loaded. Both are from AB date code safe queen pistols. Both are full caps.
So help me God I cannot tell a lick of difference in the spring or the follower. The only thing I can see different is that the length of the USP spring is longer than the SOCOM spring, but that could only be a difference in set that the spring has taken. God knows HK has had problems with set in their .45 springs so that could explain the difference in length. On the left is the SOCOM body, spring, and follower. On the right is the USP body, spring and follower. You can tell the difference in the bodies because the SOCOM's feed lips are longer. Other than that the follower and springs look to be completely the same and compression of the spring under my uncalibrated fingers seems the same.
So, while the SOCOM and USP springs have different part numbers, my money is that they are essentially the same and that Wolff +10% power springs will work equally well in both.

SOCOM mag springs:
10 round: # 214821
12 round: # 215782

USP .45 mag spings:
10 round: # 214833
12 round: # 214850

Followers:
SOCOM: # 215779, 10 and 12 round
USP: # 214832, 10 and 12 round.
 

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Springs for White Magazines

16rd .40S&W Mag springs -
The (HK) part number is 214215, the price in Oct 06 was $13.00.

Don't know if this part number is good for the 9mm. I haven't been able to identify a Wolff equivalent. Anyone?
 

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orfeo, stumbled across something interesting in the parts list for a new (AG) P2000 in .40. The mags for the .40 now come with a different mag spring from the evil old 214212 (which is still used in the new P2000 mags in 9mm and .357 sig). Looked at this new spring (218587), and it is visibly stouter than the old 214212, having more turns. It has about as many turns as the +10 Wolff that replaces the 214212, and the wire is nearly as thick as the Wolff.

Evidently HK decided that a slightly stronger spring was needed for the bigger .40 round, but the old 214212 was still OK for 9 or .357.

Question remains, has anyone got a new (AG) manual for the USPc45? Curious if HK is now using this same new spring to help out those historically weak mags.
 

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Discussion Starter #11
orfeo, stumbled across something interesting in the parts list for a new (AG) P2000 in .40. The mags for the .40 now come with a different mag spring from the evil old 214212 (which is still used in the new P2000 mags in 9mm and .357 sig). Looked at this new spring (218587), and it is visibly stouter than the old 214212, having more turns. It has about as many turns as the +10 Wolff that replaces the 214212, and the wire is nearly as thick as the Wolff.

Evidently HK decided that a slightly stronger spring was needed for the bigger .40 round, but the old 214212 was still OK for 9 or .357.

Question remains, has anyone got a new (AG) manual for the USPc45? Curious if HK is now using this same new spring to help out those historically weak mags.
Hmmmmm. . . very interesting! I'm glad to hear about the beefier spring (might even be a Wolff). Please do keep us updated as you learn anything more! Thanks for the input :)
 

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I have a question...if I have a 10 round mag for a USP compact could I change the spring and convert it to a 12 round mag?? I have three 10 rounders sitting around and that could be a cheap way to convert
 

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No, the springs really have nothing to do with mag capacity. The two round block is in the floor plate and there is no good way to convert a 10 round mag to full cap. They were designed that way to be in line with ATFE laws that were in affect during the AWB. You need entirely new magazines if you want full caps. If making a full cap were as easy as replacing the springs or a simple floor plate swap the ATFE would never have approved the magazines for sale.
 

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Where did you get the information that the wolf springs for the usp fullsize magazines work in the p2k??

I ordered a set of those springs, and they dont work. You can't load the magazines past 11 rounds. I managed to get one of the mags loaded to 12, but in the process of pushing on the last round it dented the casing of the round at the top of the stack, and it still wont go in on the other 2 mags. The one mag that I did get loaded to 12 wont go into the gun and seat on a normal reload motion. You have to get leverage to get the gun to get it to seat, and there is so much tension on the mag release when you do that its difficult to engage the release.

I dont think the springs you list as being compatible with the p2k really are, and wolf doesnt list it as p2k compatible.
 

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Discussion Starter #19
NOT a mistake

Where did you get the information that the wolf springs for the usp fullsize magazines work in the p2k?? . . .
By looking up the HK mag-spring part numbers for each and every model listed. . . and then by cross-referencing to the Wolff replacement. For example, HK uses one same spring (HK part #214850) for all the 10-round mags listed above, from USP Compacts to P2000s to fullsize USPs. The Wolff mag-spring (Wolff part #78671) only lists the USP40, USP45, and the USP9. . . not because those are the only models to which the spring belongs, but because the owner of Wolff hasn't had the time to verify the HK part numbers nor to update his website. I know because I've spoken to him directly about it. He has a copy of this same chart you are reading right now. He says he will update it all when he gets around to it. He also was sent a member's own SK mag to use as a model for another spring over a year ago, and hasn't gotten around to making the spring available yet.

The concerns you are having are typical of new Wolff +10% mag-springs. Everyone has the same concerns as you when they first receive the Wolff +10% springs. They are VERY strong at first. . . that is why they outperform the HK original springs. They will get easier to work with in time. :)
 

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Discussion Starter #20
. . . I dont think the springs you list as being compatible with the p2k really are, and wolf doesnt list it as p2k compatible.
The P2000 uses USP Compact mags.

Since you think I am wrong, I recommend you look up all the part numbers yourself and double-check my work. It's the least you can do before declaring that the springs listed are not "p2k compatible".

The issues you are having have nothing whatever to do with a cross-referencing incompatibility between models. The issue you are having relates to your unfamiliarity with the +10% powered springs. They are VERY strong.
 
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