Small Parts

Small Parts

Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.

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  • New - H&K HK P30/USP/45/45C/P2000 Flat Spring - HKP-01259 HK45, HK45C, P30, P2000 , USP Flat Spring
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    HK45, HK45C, P30, P2000 , USP Flat Spring

    H&K Heckler & Koch

    $9.95
    HK Flat Spring For Sear Catch This is a wear and replacement item on your HK pistol. A great spare part and needed spring to have on hand. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical, Elite, Expert HK USP Compact 9mm HK USP Compact...
    HKP-01259
    $9.95
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  • New - H&K German 5.56/.223 & 7.62x51/.308 Hammer Spring - HKP-00194
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    HK Universal Hammer Spring

    H&K Heckler & Koch

    $9.95
    New HK German Rifle Hammer Spring For All.308/.223 Semi & Full Auto Trigger Packs The 308/556 hammer spring is a popular upgrade to replace the hammer spring in 9mm and clones that have light primer hits. This is the factory-correct 25 lb. weight for...
    HKP-00194
    $9.95
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  • New - HKP HK VP9 Ultra Match Trigger Return Spring - HKP-21164 HK VP9 Trigger Return Spring for Ultra Match Trigger
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    HK VP9 Trigger Return Spring for Ultra Match Trigger

    HKP HK Parts

    $9.95
    HKP HK VP9 Ultra Match Trigger Return Spring Ultra Match trigger return spring will give your VP9 and VP40 an even smoother, crisper, and lighter pull. This helps promote consistent match-grade accuracy and control by dropping the trigger pull...
    HKP-21164
    $9.95
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  • New - H&K HK P7 Series Firing Pin Spring - HKP-00326
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    HK P7 Series Firing Pin Spring

    H&K Heckler & Koch

    $7.95
    HK P7 Series Firing Pin Spring This item is a great spare to keep on hand, as this item is considered a high-wear item by HK. Compatible With: HK P7 PSP HK P7 M8 HK P7 M10 HK P7 M13  
    HKP-00326
    $7.95
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    $7.95
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  • Out Of Stock
    New - H&K Trigger Pack Ejector Lever Axle - HKP-01091 HK Trigger Pack Ejector Lever Axle

    HK Trigger Pack Ejector Lever Axle

    H&K Heckler & Koch

    $19.95
    H&K Trigger Pack Ejector Lever Axle HK German ejector lever axle pin for all HK trigger packs. This is the factory correct axle pin that holds the ejector lever in place in the trigger pack. Fits all SEF & Ambidextrous style HK trigger packs...
    HKP-01091
    $19.95
    Out Of Stock
    Qty in Cart: 0
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    $19.95
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  • On Sale
    New - MKE HK MP5 Hammer Spring - HKP-22224 MKE HK MP5 Hammer Spring MKE HKP-22224
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    HK MP5, MP5K Hammer Spring - 9mm - US

    MKE

    Now: $3.89
    Was: $5.89
    MKE MP5/MP5K, AP5 Hammer Spring MKE MP5/AP5 replacement hammer spring.  Worn hammer springs can cause light primer strikes and misfires.  A great part to load up on for years of trouble free shooting. Crafted per HK specifications by MKE...
    HKP-22224
    Now: $3.89
    Was: $5.89
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    Now: $3.89
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  • New - H&K 93/91/33/53/G3 (5.56/.223) & (7.62x51/.308) Bolt Locking Lever Spring For Bolt Head - HKP-16274
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    HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Spring for Bolt Head

    H&K Heckler & Koch

    $4.95
    HK Bolt Carrier Bolt Locking Lever Spring New HK German factory bolt carrier locking lever spring for locking lever latch. Compatible With: HK G3, HK91 PTR models HK93, 33, 53 Other clones and custom builds
    HKP-16274
    $4.95
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  • New - H&K HK MR556/MR762/416 Clamping Sleeve Safety Lever - HKP-15252
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    HK416, MR556, MR762 Clamping Sleeve Safety Lever

    H&K Heckler & Koch

    $7.95
    H&K HK MR556/MR762/416 Clamping Sleeve Safety Lever There are one of the same pin on both sides. Compatible with: HK MR556 HK 416 HK MR762
    HKP-15252
    $7.95
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  • New - H&K G36/SL8 (5.56/.223)Forearm, Lower, Magwell - Push Pin - HKP-00804
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    HK G36, SL8 Locking Push Pin for Handguards, Lowers, Magwells - Heckler and Koch

    H&K Heckler & Koch

    $48.95
    New HK German G36 & HK SL8 Push Pin For Forearm, Mag Well Or Lower Each push pin is a factory German part and is new. This is also required for those doing the SL8 to G36 style conversions. A factory German G36 uses three of these factory push pins...
    HKP-00804
    $48.95
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  • New - H&K HK P7 Series Extractor Spring - HKP-00325
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    HK P7 Series Extractor Spring

    H&K Heckler & Koch

    $7.95
    HK P7 Extractor Spring This is a common wear and replacement part, according to HK Germany. This is a great part to have on hand as a spare.  Compatible With: P7 PSP P7 M8 P7 M10 P7 M13
    HKP-00325
    $7.95
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  • New - H&K G3 Crush Washer For Buffer Screw - HKP-16984
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    HK G3 Buffer Screw Crush Washer

    H&K Heckler & Koch

    $0.95
    HK G3 Crush Washer For Buffer Screw
    HKP-16984
    $0.95
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  • On Sale
    HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring
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    HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring

    MKE

    Now: $16.95
    Was: $19.95
    MKE HK MP5, MP5K, AP5 Steel Firing Pin and Spring Replacement Kit Replacement steel firing pin and spring kit for HK MP5 platforms. Direct-fit parts for repairing or replacing worn firing components in MP5-style bolt assemblies. Includes: Firing...
    HKP-99344
    Now: $16.95
    Was: $19.95
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    Now: $16.95
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