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
    HK UMP Barrel Pin Screw HK UMP Barrel Pin Screw
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    HK UMP Barrel Pin Screw

    OMEGA

    Now: $11.95
    Was: $13.95
    Omega UMP Barrel Pin Screw Barrel pin Screw that replaces barrel pins on Omega Gideon Shadow Compatible With: HK UMP HK USC Omega GS
    HKP-22514
    Now: $11.95
    Was: $13.95
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    Now: $11.95
    Was: $13.95
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  • Out Of Stock
    RCM HK MP5 Recoil Rod Assembly HK MP5 Recoil Rod Assembly

    HK MP5 Recoil Rod Assembly

    RCM

    $54.95
    RCM HK MP5 Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5 NOT compatible with SP5 with the F-style recoil rod MP5 clones and custom...
    HKP-22202
    $54.95
    Out Of Stock
    Qty in Cart: 0
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    $54.95
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  • On Sale
    New - H&K CC9 Firing Pin Spring - HKP-22138
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    HK CC9 Firing Pin Spring

    H&K Heckler & Koch

    Now: $4.95
    Was: $5.95
    H&K CC9 Firing Pin Spring Manufactured by H&K, this firing pin spring for the H&K CC9 pistol applies consistent tension to the firing pin, ensuring reliable ignition. Compatible With: HK CC9  
    HKP-22138
    Now: $4.95
    Was: $5.95
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    Now: $4.95
    Was: $5.95
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  • Out Of Stock
    New - KCI HK MP5 Locking Plate - HKP-21377 HK MP5 Magazine Locking Plate - 30 Round

    HK MP5 Magazine Locking Plate - 30 Round

    KCI

    $3.49
    KCI HK MP5 Locking Plate Spare locking plate for KCI MP5 30 round magazines. Compatible With: HK MP5
    HKP-21377
    $3.49
    Out Of Stock
    Qty in Cart: 0
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    $3.49
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  • On Sale
    New - H&K VP9, VP40 Backstrap - Small - FDE - HKP-18118 HK VP9, VP40 Backstrap - Small - FDE
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    HK VP9, VP40 Backstrap - Small - FDE

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    H&K VP9, VP40 Backstrap - Small - FDE New HK German manufacture Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 K
    HKP-18118
    Now: $26.95
    Was: $29.95
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    Now: $26.95
    Was: $29.95
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  • On Sale
    New - H&K HK 45C LEM Hammer Spring - HKP-15789
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    HK45 Compact LEM Hammer Spring

    H&K Heckler & Koch

    Now: $8.95
    Was: $9.95
    Hammer Spring For HK 45C LEM Models This hammer spring is the factory correct LEM hammer spring for the HK45C and HK45CT. This is the spring needed to use any other variant of LEM kit to be complete to be used on the HK45C pistol. This is also a great...
    HKP-15789
    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 HK P7M10/P7M13 Slide Removal Button, Retaining Catch - HKP-15432 HK P7M10, P7M13 Slide Removal Button, Retaining Catch
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    HK P7M10, P7M13 Slide Removal Button, Retaining Catch

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    H&K HK P7M10/P7M13 Slide Removal Button, Retaining Catch Brand new HK German manufacture. No longer in production. These are the last units that HK made. Last call!
    HKP-15432
    Now: $26.95
    Was: $29.95
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    Now: $26.95
    Was: $29.95
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  • Out Of Stock
    New - H&K HK USPC Lanyard Loop Insert Pin - HKP-01253

    HK USP Compact Lanyard Loop Insert Pin

    H&K Heckler & Koch

    $19.95
    H&K HK USPC Lanyard Loop Insert Pin Compatible With: HK USP Compact 9mm HK USP Compact .40 HK USP Compact .357 HK USP Compact .45 HK USP Compact Tactical
    HKP-01253
    $19.95
    Out Of Stock
    Qty in Cart: 0
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    $19.95
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  • On Sale
    New - H&K HK G36 Right Side Lower Hammer Spring - HKP-01857
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    HK G36 Hammer Spring - Right Side

    H&K Heckler & Koch

    Now: $7.95
    Was: $8.95
    HK G36 Right Side Lower Hammer Spring  
    HKP-01857
    Now: $7.95
    Was: $8.95
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    Now: $7.95
    Was: $8.95
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  • On Sale
    New - H&K MP5 40/10 Standard 8mm Roller - HKP-00338 HK MP5 Roller - Standard 8mm - .40 S&W, 10mm
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    HK MP5 Roller - Standard 8mm - .40 S&W, 10mm

    H&K Heckler & Koch

    Now: $18.95
    Was: $20.95
    HK German MP5 40/10 8mm Roller - Factory New Hard to find and essential for making headspace adjustments when necessary. Great spare to have on hand and no longer in production.  Please Note: The price listed is per roller. Order 2 (pair) for a...
    HKP-00338
    Now: $18.95
    Was: $20.95
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    Now: $18.95
    Was: $20.95
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  • On Sale
    New - H&K CC9 Firing Pin Spring Retainer - HKP-22139
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    HK CC9 Firing Pin Spring Retainer

    H&K Heckler & Koch

    Now: $4.95
    Was: $5.95
    H&K CC9 Firing Pin Spring Retainer Manufactured in Germany by H&K, this part secures the firing pin spring to the firing pin assembly, ensuring proper striker function during cycling. Compatible With: HK CC9    
    HKP-22139
    Now: $4.95
    Was: $5.95
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    Now: $4.95
    Was: $5.95
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  • On Sale
    New - H&K USP V1/V2 Detent Plate - HKP-21982 HK USP Detent Plate - V1, V2
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    HK USP Detent Plate - V1, V2

    H&K Heckler & Koch

    Now: $12.95
    Was: $13.95
    H&K USP V1/V2 Detent Plate Detent plate for full-size USP pistols. Used to convert or configure the pistol to Variant 1 (left-side safety/decocker) or Variant 2 (right-side safety/decocker). Ideal for users customizing their control layout...
    HKP-21982
    Now: $12.95
    Was: $13.95
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    Now: $12.95
    Was: $13.95
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