MP5K / SP5K Series

MP5K / SP5K Series

Discover the most comprehensive selection of HK MP5K and SP5K parts at HKP. From bolt carrier groups and barrels to trigger packs and magazines, we provide all the HK parts you need to build, upgrade, or maintain your firearm. Whether you're enhancing your MP5K with 922r compliant parts or looking for the perfect SP5K flash hider, our top-quality components are designed for precision, reliability, and performance. Trust HKP for all your MP5K and SP5K parts and accessories.

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  • New - US Ejector Lever Axle - 90 Series - HKP-20630 HK 90 Series Axle - Ejector Lever - US
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    HK 90 Series Axle - Ejector Lever - US

    HKP HK Parts

    $9.95
    US Ejector Lever Axle This US ejector lever axle pin holds the ejector lever in place in the trigger pack. Made out to HK spec for the best US replacement part on the market. The best replacement for your worn out or broken axle. A must have replacement...
    $9.95
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  • New - RCM HK MP5K/N/PDW # 28 Locking Piece 80 Degree - HKP-02190 HK MP5K, MP5N, PDW # 28 Locking Piece 80 Degree
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    HK MP5K, MP5N, PDW # 28 Locking Piece 80 Degree

    RCM

    $34.95
    RCM HK MP5K/N/PDW # 28 Locking Piece 80 Degree This part is used in conjunction with a suppressor and 147-grain or heavier ammunition. This item is made 100% here in the US from enhanced steel and heat treated to the proper specifications...
    $34.95
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  • New - AC-Unity 30 Round HK MP5 9mm Magazine - Black - HKP-20155 HK MP5 Magazine - 9mm - 30 Round
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    HK MP5 Magazine - 9mm - 30 Round

    AC-Unity

    $22.95
    AC-Unity 30 Round HK MP5 9mm Magazine  CLICK ON THE "Bulk Pricing" LINK ABOVE (UNDER THE SKU NUMBER) FOR OUR BULK PRICING SCHEDULE The AC-Unity 30 round MP5 magazine is a lightweight, impact resistant and reliable magazine for all 9mm HK MP5, SP5,...
    $22.95
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  • New - HKP Chamber Face Brush For All Barrels - HKP-00140 HK Cleaning Brush - Barrels - Chamber Face
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    HK Cleaning Brush - Barrels - Chamber Face

    HKP HK Parts

    $25.99
    HKP Chamber Face Brush For All Barrels This brush was specifically designed to clean those hard-to-reach nooks and crannies in the barrel face.  Threaded to fit all standard 8/32 US cleaning rods. Compatible With: G3, 91, PTR 93, 33, 53 MP5, MP5SD,...
    $25.99
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  • Used - H&K SEF Long Axle Selector Lever For Polymer Trigger Housings - HKP-01105 HK SEF Long Axle Selector Lever For Polymer Trigger Housings
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    HK SEF Long Axle Selector Lever For Polymer Trigger Housings

    H&K Heckler & Koch

    $24.95
    HK SEF Longer Axle Selector Lever For The Polymer SEF Type Grips Or Trigger Housings - Used This is the factory-correct selector lever for SEF or SEF-style semi-auto-style trigger packs and grip frames. These are pulled from German HK SEF trigger...
    $24.95
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  • New - HKP Universal M-LOK Short Grip - HKP-20681 HK Universal M-LOK Short Grip
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    HK Universal M-LOK Short Grip

    HKP HK Parts

    $24.95
    HKP Universal M-LOK Short Grip Short vertical grip for M-LOK. This grip is by far the nicest shorter style or stubby grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip.  Features: Just...
    $24.95
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    New - HKP MP5 Knurled Cocking Handle - Extended - HKP-16999 HK MP5 Cocking Handle - Knurled - Extended

    HK MP5 Cocking Handle - Knurled - Extended

    HKP HK Parts

    $29.95
    HK MP5, MP5K Cocking Handle Extended Extended cocking handle for the MP5 style of firearms. Each cocking handle offers twice the grabbing area for charging the firearm.  Crafted in the US from solid billet aluminum.  These cocking handles also...
    $29.95
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  • New - H&K MP5, MP5K 9mm Hammer Spring - HKP-00064 HK MP5, MP5K Spring - Hammer - 9mm
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    HK MP5, MP5K Spring - Hammer - 9mm

    H&K Heckler & Koch

    $6.89
    HK Heckler & Koch HK MP5, MP5K Spring - Hammer - 9mm Each factory HK hammer spring will work in all 9mm & 40/10 trigger packs. Do not settle for an HK contract when you can have HK German for less. Great upgrade for all of the clones that use the...
    $6.89
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  • New - MFI Universal Low Profile Scope Mount - HKP-00762 HK MP5 Optic Mount - Low Profile - Picatinny
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    HK MP5 Optic Mount - Low Profile - Picatinny

    MFI

    $124.95
    MFI's crafted HK MP5 Series Mount - Low Profile Scope - Universal MFI's universal mount will fit all models from 9mm through .308. The sleek design allows the operator to flip the scope mount in either direction without blocking the ejection port (MP5...
    $124.95
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  • New - HKP MP5/MP5K Cocking Handle - HKP-00653-M HK MP5, MP5K Cocking Handle
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    HK MP5, MP5K Cocking Handle

    HKP HK Parts

    $29.95
    HKP MP5, MP5K Cocking Handle Our HK Parts US-made cocking handle, a precise replica of the German design. It seamlessly complements your other accessories, making it an essential addition to any build. Whether you need a reliable spare or want to elevate...
    $29.95
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  • New - SB Tactical MP5K/SP89/SP5K 9mm Side Folding Brace - Polymer - HKP-21358 HK MP5K, SP89, SP5K Folding Brace - 9mm - Polymer
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    HK MP5K, SP89, SP5K Folding Brace - 9mm - Polymer

    SB Tactical

    $119.99
    HK MP5K, SP89, SP5K & Clone - Side Folding Pistol Stabilizing Brace MP5K, SP5K, Zenith Z5P, Z-5K Folding Stabilizing Brace System. This is current production with a polymer brace adapter.  ***Please note some clones will need some slight fitting...
    $119.99
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  • Out Of Stock
    New - MFI HK MP5K, HK SP5K Universal Low Profile Scope Mount - Black - HKP-19266 HK MP5, MP5K, SP5K Optic Mount - Low Profile - Picatinny

    HK MP5, MP5K, SP5K Optic Mount - Low Profile - Picatinny

    MFI

    $124.95
    Universal Low Profile Scope Mount for HK MP5K, SP5K This mount differs from our Regular 5.5" Long HK Low Scope Mounts in that it is slightly shorter in length and contoured at the front to allow more area between the cocking handle and the rail. This...
    $124.95
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