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Discussion Starter · #1 ·
Hey guys,

Just a heads up...I fired 500 rounds through my P30 yesterday, and when getting to cleaning it noticed that the rollpin that holds the backstrap was working it's way out to the right of the pistol.
 

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Hey guys,

Just a heads up...I fired 500 rounds through my P30 yesterday, and when getting to cleaning it noticed that the rollpin that holds the backstrap was working it's way out to the right of the pistol.
My SK does this too... :confused:

I just check it after every cleaning.
 

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Dou you guys lube rollpins or what? Never ever had it walking in P2000 (15K rounds until sold), P2000SK (some 1K rounds, this is carry gun, not range piece) or P30 (2K rounds so far).
 

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Loctite will not work long term on this non-treaded part. Plus it (red especially) leaves a residue that is very difficult to remove without heat. I recommend you keep a few extra roll pins onhand. Tolerances vary from pin to pin. It's slight but enough to make a difference, and the more times you remove the same pin the more it compresses. This makes the "walking" problem even worse. Ideally, every time you remove the roll pin you should replace it with a new one - pins are cheap. Not much you can do about the backstrap hole short of replacing the part but tolerances vary here as well.

Walking pins are more of a problem with the .40 vs. 9mm due to the increased recoil.
 

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I think kraigster414 is on the money with the "walking" issue. I've experimented with the different back straps, so I think I just need a fresh pin. I'll get around to getting one somewhere down the line. No biggie.
 

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OK here you go if you want 'em fast:

www.mcmaster.com

These are the ones that fit the P2000 backstrap. I cannot vouch for the other HK models so you will need to confirm.

Part# 91611A159 (carbon steel)

Part# 91610A410 (stainless steel)

By the way, the recommended roll punch for this part is a 3mm sold by Brownell's and other gun supply retailers. Mine is made by Mayhew.
 

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Discussion Starter · #14 ·
Dou you guys lube rollpins or what? Never ever had it walking in P2000 (15K rounds until sold), P2000SK (some 1K rounds, this is carry gun, not range piece) or P30 (2K rounds so far).
LOL, nope. I was able to push out the rollpin with a Q-Tip the first time I pushed it out to try a different backstrap (and the only time I pushed it out), it was that loose.
 

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If your roll pin is that loose, try and open up one end of the roll pin with a small nail or other item that you can fit into the end. Place the tip in and gently tap the nail and place the other end of the roll pin back into the backstrap and push it in. Worked on my P2000 that I had.
 

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It does seem to me that the roll pins vary a bit. I have a P30L v1 and a P30L v3 (and used to have a P30 v1), and the newest of the bunch (P30L v3) has a backstrap roll pin that I can pop in and out with the punch by hand (still with a good amount of force). The others do or did require a hammer. Nothing has yet to walk out on me, but maybe the latest one will eventually. I hope not.
 

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This has never happened on any of my HKs, and I've rotated backstraps a few times, and the pistols all have literally several thousand rounds through each....just saying
 
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