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Thread: A Project for the HK P30 Admirers

  1. #1
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    A Project for the HK P30 Admirers

    I purchased a P30 V1 from a forum member several months ago. The pistol was already worked on by Mark Housel of L&M Precision to accept RMR footprint optics. Mark and I exchanged a few emails about the pistol. He has since retired, but even dealing with that and fulfilling last orders he was gracious with his time and patient with questions.

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    When I purchase a used hammer-fired HK, I like to replace most or all of the springs. Because of the slide modifications on this one, access to the firing pin, safety, and extractor assemblies are only possible when the optic is removed.

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    Most of the parts I replaced were standard, but I did use the light firing pin safety spring that I install on all of my P30s, following the great TLG’s setup. It’s handy to have these as a reference.

    Firing pin spring (part # 215822)
    Light compression spring for drop safety catch (part # 209296)
    Extractor spring with extractor bolt (part #s 218315 + 209294)

    Depending on the shooting volume, it seems like good practice to replace these springs yearly and clean everything again when the RMR is removed for a battery change. I’ve broken a firing pin spring in the past, but didn’t notice until I stripped the slide.

    I re-installed everything using the same roll pins that Mark installed. They are shorter than the factory pins (the originals are part # 988891) due to the optic plate. I don’t have extras on hand yet but I expect they will be easy enough to find.

    The optic plate that Mark fabricated is steel and held in place with four screws. Two of these screws go fully into the side of the slide, and two of the screws extend through the slide into an aluminum plate fitted underneath in the recessed area (top of picture shows optic plate screws and extractor roll pin near the center of the plate).

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    My impression of the plate is very “HK-like” in that it’s durable, nicely overbuilt, and professionally finished. I am not an expert in this area, but it’s clear Mark is a craftsman who does great work.

    The rear sight is a glock dovetail, and a typical Ameriglo or other rear sight will fit. I installed short slide release levers on both sides.

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    The front sight is a P30 sight from Dawson Precision. It’s a tall one to match the tall rear Glock sight. Both are taller than I prefer, but they work well.

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    I detail stripped the frame, cleaned it, and replaced most of the springs. Even after several years I need to have detailed instructions for this (HKPRO TooSixy’s reference is incredible) and ideally another P30 to look at if I get confused about how it all goes back together.

    Heavy trigger return spring (part # 234405)
    Elbow spring for LEM (part # 209275)
    Trigger bar detent spring (part # 209270)
    Hammer spring for V3 (part # 214300)

    I left the flat sear spring, form spring for slide release, and the magazine catch compression springs alone. The flat sear spring is particularly tricky to replace.

    The only non-factory parts I installed were the Gray Guns short reset system, which includes a new control latch, extended sear roll pin and firing pin block spring. I already installed the light firing pin block spring, but fitted the others with no issue. I don’t really notice a difference between this setup and regular LEM when shooting, but the parts seem well made and I’m happy they are available.

    I used an aftermarket Trijicon sealing plate under the RMR since the optic would be in contact with the roll pins. It may not make a difference, but it doesn’t hurt anything. The screws for the plate were sealed with paint marker and witness marks.

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    I installed the RMR using screws that were included from Mark (6-40 x 1/2 flat head socket screws). I used a generous amount of blue loctite and a 10 inch lb fixit stick.

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    Final step to paint seal the screws with black sharpie with witness marks.

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    It would be pretty cool if HK released an optics ready slide for the P30/L/SK, but that seems unlikely. I understand that Wright Armory is doing this work along with a few other places. If anyone has experience with those, please add on to the thread!

  2. #2
    Site Supporter Oldherkpilot's Avatar
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    Beautiful pistol! I have a P30 at Wright's awaiting work. When I finally get it back, I'll post some pics. Thanks for starting this thread.

  3. #3
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    Thanks! Looking forward to seeing yours when it gets finished.

  4. #4
    Quote Originally Posted by DEG View Post
    I used an aftermarket Trijicon sealing plate under the RMR since the optic would be in contact with the roll pins. It may not make a difference, but it doesn’t hurt anything.
    You should absolutely use a sealing plate, as lube can seep up from the roll pins and into the RMR's battery compartment.

  5. #5
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    Additional comparison shots from the range this morning.

    Left slide showing the aluminum plate insert compared to a standard P30 9mm slide. I’ve read that the 40SW slide may not have the same internal profile, and therefore could be easier to mill without needing this type of insert. I don’t have one to compare.

    (Correcting a mistake in the original post - all drilled and tapped holes in the insert are for the steel mounting plate and RMR screws, not the extractor roll pin. That’s on the other side.)

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    Height comparison and general profile of a VP9 optics ready slide with a Holosun 507c compared to the P30 + RMR. I like the height and shape of the XS sights that come factory installed on the VP9 OR slide.

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  6. #6
    Murder Machine, Harmless Fuzzball TCinVA's Avatar
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    I still prefer the P30 to about anything else on the market. I wish they made it in an optics-ready format.

    I've been reluctant to have my guns cut on because of their sentimental value.
    3/15/2016

  7. #7
    A LEM P30 with a Red Dot... Now that's something I hadn't thought about. I found the LEM to be one of my favorite triggers anywhere 25 + yards. Mixing that with a red dot could yield something special.

  8. #8
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    I agree - accuracy shooting is fun with the P30 and a red dot. At the end of the range visit this morning, these were the first ten rounds at 25 yards (Lawman 115). I promise, no cherry picking with this target. A 100 score is unusual for me under the best circumstances.

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    Just to see if I could do it again, this was the second set of 10 rounds on the same target and distance. Close enough to the same.

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    Maybe even better than the HK factory, it would be pretty cool if someone as skilled as Ernest Langdon got into the P30s. I could imagine nicely milled standard/long/sk versions with LEM 4.1 or “tuned” (I don’t know what that would mean) V3 with 10 lb hammer springs, Gray Guns short reset components and some other magic instilled from someone who knew what they were doing.

  9. #9
    Sig now offers optics ready slides for the 226 and 229. I respect the craftsmanship of this, but for the P30 to be a viable optics platform, HK needs to offer a factory slide that is optics ready. I bet a bunch of people would buy them, along with USP optics slides.
    Likes pretty much everything in every caliber.

  10. #10
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    Quote Originally Posted by DEG View Post
    I agree - accuracy shooting is fun with the P30 and a red dot. At the end of the range visit this morning, these were the first ten rounds at 25 yards (Lawman 115). I promise, no cherry picking with this target. A 100 score is unusual for me under the best circumstances.

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    Just to see if I could do it again, this was the second set of 10 rounds on the same target and distance. Close enough to the same.

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    Maybe even better than the HK factory, it would be pretty cool if someone as skilled as Ernest Langdon got into the P30s. I could imagine nicely milled standard/long/sk versions with LEM 4.1 or “tuned” (I don’t know what that would mean) V3 with 10 lb hammer springs, Gray Guns short reset components and some other magic instilled from someone who knew what they were doing.
    EL did some work with P30s a few years back in conjunction with the USBP BORTAC teams adopting P30L LEM pistols in lieu of the standard P2000. There is an EL thread on the P30 here on PF:

    https://pistol-forum.com/showthread....21-Why-the-P30

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