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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  • On Sale
    New - H&K Trip Lever - Friction - HKP-02393 HK Trip Lever - Friction
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    HK Trip Lever - Friction

    H&K Heckler & Koch

    Now: $22.95
    Was: $24.95
    H&K Trip Lever - Friction This is the older friction-style trigger pack found on older HK trigger packs and all HK registered sear packs.
    HKP-02393
    Now: $22.95
    Was: $24.95
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    Now: $22.95
    Was: $24.95
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  • Out Of Stock
    New - HKP Semi Auto Shelf, Hanger Block For Receiver - HKP-17572 HK Semi Auto Shelf, Hanger Block For Receiver

    HK Semi Auto Shelf, Hanger Block For Receiver

    HKP HK Parts

    $13.95
    HK Semi Auto Shelf Weldment, Hanger Block Weldment 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...
    HKP-17572
    $13.95
    Out Of Stock
    Qty in Cart: 0
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    $13.95
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  • On Sale
    New - HK MP5K, SP5K Rear Push Pin Weldment Set - HKP-19632 HK MP5K, SP5K Rear Push Pin Weldment Set
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    HK MP5K, SP5K Rear Push Pin Weldment Set

    USA

    Now: $12.95
    Was: $14.95
    HK MP5K, SP5K Rear Push Pin Weldment Set This weldment set is the 2 pieces needed for the rear of the flat/receiver that holds the stock/brace or end cap in place. CNC machined from weldable steel and the finest weldment available on the market...
    HKP-19632
    Now: $12.95
    Was: $14.95
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    Now: $12.95
    Was: $14.95
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  • On Sale
    New - H&K VP9/VP9SK, VP40 Firing Pin Pressure Spring - HKP-16831
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    HK VP9, VP9SK, VP40 Firing Pin Return Spring

    H&K Heckler & Koch

    Now: $8.95
    Was: $9.95
    H&K VP9/VP9SK, VP40 Firing Pin Pressure Spring   Compatible With: HK VP9/VP9SK HK VP9A1 F, VP9A1 K HK VP40
    HKP-16831
    Now: $8.95
    Was: $9.95
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    Now: $8.95
    Was: $9.95
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  • Out Of Stock
    New - H&K H&K HK 45/45C/USP/USPC Control Latch - HKP-01174

    HK45, HK45 Compact, USP, USP Compact Control Latch

    H&K Heckler & Koch

    $16.95
    Control Latch Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .45 ACP HK45, HK45 Tactical HK45 Compact, HK45C Tactical HK Tactical, Elite & Expert Models
    HKP-01174
    $16.95
    Out Of Stock
    Qty in Cart: 0
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    $16.95
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  • On Sale
    New - GSG9 HK SL8, HK G36 Magazine Release Spring - HKP-18254 HK SL8, G36 Magazine Release Spring - US
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    HK SL8, G36 Magazine Release Spring - US

    GSG9

    Now: $3.95
    Was: $4.95
    GSG9 Magazine Release Spring - USA Made for HK G36 and HK SL8 Mag release spring for all G36 and SL8 models. A must have spare part. Made in the USA. G36 G36K SL8 Other custom G36 type builds
    HKP-18254
    Now: $3.95
    Was: $4.95
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    Now: $3.95
    Was: $4.95
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  • On Sale
    New - MP5 9mm Reverse Stretch Recoil Assembly - HKP-16580 HK MP5 Reverse Stretch Recoil Assembly - 9mm
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    HK MP5 Reverse Stretch Recoil Assembly - 9mm

    Now: $32.95
    Was: $37.95
    Complete Recoil Rod Assembly For The MP5 Reverse Stretch New US made MP5 reverse stretch or MP5 Full size compact recoil rod assembly complete micro polished and built of the finest materials to make the finest US made recoil assembly available. All...
    HKP-16580
    Now: $32.95
    Was: $37.95
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    Now: $32.95
    Was: $37.95
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  • On Sale
    New - Catch - HK P30, P30L, P2000 - HKP-15434 HK P30, P30L, P2000 Catch
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    HK P30, P30L, P2000 Catch

    Now: $48.95
    Was: $53.95
    Catch - HK P30, P30L, P2000 New HK German Catch Assembly for all P Series of pistols. Compatible With: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK Calibers P2000 - 9mm P2000 - .40 S&W P2000 - .357 SIG Please note: This is also the latch needed...
    HKP-15434
    Now: $48.95
    Was: $53.95
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    Now: $48.95
    Was: $53.95
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  • On Sale
    New - H&K HK USPC Recoil Rod Assemblies Snap Ring - HKP-01944
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    HK USP Compact Recoil Rod Assemblies Snap Ring

    H&K Heckler & Koch

    Now: $6.95
    Was: $7.95
    HK USPC Recoil Rod Assemblies Snap Ring A great item to have on hand as they are prone to falling off when doing scheduled maintenance and cleaning on the recoil assemblies. Compatible With: HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact ...
    HKP-01944
    Now: $6.95
    Was: $7.95
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    Now: $6.95
    Was: $7.95
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  • On Sale
    New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring - HKP-00262
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    HK UMP, USC Firing Pin Spring

    H&K Heckler & Koch

    Now: $8.95
    Was: $9.95
    H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring This is a common wear and breakage item. This item also frequently becomes lost by end users when field stripping the UMP and USC Bolts.  Compatible with: All HK UMP & USC Firearms
    HKP-00262
    Now: $8.95
    Was: $9.95
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    Now: $8.95
    Was: $9.95
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  • On Sale
    New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Magazine Release Spring - HKP-01899 HK UMP, USC Magazine Release Spring
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    HK UMP, USC Magazine Release Spring

    H&K Heckler & Koch

    Now: $8.95
    Was: $9.95
    HK UMP & USC Magazine Release Spring HK German factory mag release spring for all USC and UMP mag releases.  Compatible With:  USC lowers UMP lowers
    HKP-01899
    Now: $8.95
    Was: $9.95
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    Now: $8.95
    Was: $9.95
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  • On Sale
    New - H&K (5.56/.223) & (7.62x51/.308) Contact Piece For Paddle Mag Release - HKP-00465 HK91, G3, HK33, HK53, HK93 Paddle Mag Release Contact Piece
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    HK91, G3, HK33, HK53, HK93 Paddle Mag Release Contact Piece

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    Heckler and Koch Contact Piece for Paddle Magazine Release 5.56 / .223 and 7.62x51 / .308 German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK33, HK53, HK93 HK91, G3, PTR91
    HKP-00465
    Now: $26.95
    Was: $29.95
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    Now: $26.95
    Was: $29.95
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