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 - Ejector Lever Axle Retaining Spring - HKP-20629
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    HK90 Series Retaining Spring for Ejector Lever Axle

    USA

    $1.95
    Ejector Lever Axle Retaining Spring This is the perfect spring ring to replace your worn out ejector lever axle spring ring. Made to HK spec for the best US replacement part on the market. Replacement of the retaining spring clip is necessary to keep...
    HKP-20629
    $1.95
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  • New - H&K MP5 & MP5K F Style Roller Retainer Plate - 3rd Gen - HKP-00069 HK MP5, MP5K F Style Roller Retainer Plate - 3rd Gen
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    HK MP5, MP5K F Style Roller Retainer Plate - 3rd Gen

    H&K Heckler & Koch

    $14.95
    HK German "F" Style 3rd Gen Roller Retainer Plate This is the latest and greatest German design of roller retainer plates found in all of the latest production of HK German bolt heads. The MP5 F roller retainer plate fits true F-style bolt heads only...
    HKP-00069
    $14.95
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  • New - HK Recoil Rod Guide Ring For Recoil Rod Assemblies - HKP-00143 HK Recoil Rod Guide Ring For Recoil Rod Assemblies
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    HK Recoil Rod Guide Ring For Recoil Rod Assemblies

    H&K Heckler & Koch

    $7.99
    HK Recoil Rod Guide Ring For Recoil Rod Assemblies This item is a high-wear item & is great to have as a spare part. Compatible With: HK MP5 HK 94 HK MP5K HK 91 HK G3 HK 93 HK 33 HK 53 HK 21 (not E guns) Other HK 90 Series Rifles & Pistols.
    HKP-00143
    $7.99
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  • New - HKP Cocking Tube End Cap-Steel - HKP-17580 HK90 Series Cocking Tube End Cap - Steel
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    HK90 Series Cocking Tube End Cap - Steel

    HKP HK Parts

    $19.95
    Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight tower
    HKP-17580
    $19.95
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  • New - HKP Semi Auto Shelf for Receiver - Billeted - HKP-21470 HK Semi Auto Shelf for Receiver - Billeted
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    HK Semi Auto Shelf for Receiver - Billeted

    HKP HK Parts

    $17.95
    HKP Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the use of...
    HKP-21470
    $17.95
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  • New - H&K Magazine Catch, Push Button Roll Pin - HKP-01918
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    HK Magazine Catch Push Button Roll Pin

    H&K Heckler & Koch

    $4.95
    H&K Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: HK G3, 91, PTR HK MP5, 94, SP5 HK 93, 33, 53 HK SP89, MP5K,...
    HKP-01918
    $4.95
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  • Out Of Stock
    New - H&K German Recoil Guide Rod Rivet - HKP-01026

    HK German Recoil Guide Rod Rivet

    H&K Heckler & Koch

    $9.95
    H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...
    HKP-01026
    $9.95
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  • New - HKP Roller +3 - New - 8.03mm - HKP-19425 HKP Roller +3 - New - 8.03mm
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    HKP Roller +3 - New - 8.03mm

    H&K Heckler & Koch

    $8.99
    Roller +3 - New - 8.03mm HK Parts Standard (8.03 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...
    HKP-19425
    $8.99
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  • New - HKP Rail Mount Compensator Replacement Screw Set - HKP-19674 HK Screw Set for HKP Rail Mount Compensator
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    HK Screw Set for HKP Rail Mount Compensator

    HKP HK Parts

    $4.95
    Replacement Screws for Rail Mount Compensator Replacement screw set for the HK Parts Rail Mount Compensators. This includes (2) screws. Compatible With: All HK Parts Rail Mount Compensators
    HKP-19674
    $4.95
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  • New - H&K HK VP/P30/USPC/P2000 9mm Magazine Locking Plate - HKP-01585 HK VP9, P30, USP Compact, P2000 9mm Magazine Locking Plate
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    HK VP9, P30, USP Compact, P2000 9mm Magazine Locking Plate

    H&K Heckler & Koch

    $5.95
    9mm Magazine Locking Plate New HK German factory part. This is the locking plate for the bottom of the magazine spring. Compatible With: VP9 15 Round VP40 13 Round VP9SK 15 Round VP9SK 13 Round P30 15 Round P30 .40 13 Round USP Compact 9mm 13 Round USP...
    HKP-01585
    $5.95
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  • New - H&K HK VP9/VP9SK, VP40 Dismounting Safety Elbow Spring - HKP-16791
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    HK VP9, VP9SK, VP40 Disassembly Safety Spring

    H&K Heckler & Koch

    $2.95
    Elbow Spring For Dismounting Safety HK VP9, HK VP40 Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40
    HKP-16791
    $2.95
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  • New - Grayguns HK P30, P2000 Short Reset System Thumb Safety - HKP-19756
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    Grayguns HK P30, P2000 Short Reset System Thumb Safety

    Grayguns

    $90.00
    Grayguns HK P30, P2000 Short Reset System Thumb Safety Replicate our custom in-house short reset conversion with a drop-in kit for your HK P30 with thumb safety. Cut from bar stock steel, these kits provide an exacting fit for easy install.The...
    HKP-19756
    $90.00
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