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.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • New - HK G36/SL8 (5.56/.223) Ejector Spring - HKP-18374 HK G36/SL8 (5.56/.223) Ejector Spring
    Add to Cart

    HK G36/SL8 (5.56/.223) Ejector Spring

    USA

    $19.95
    HK G36 & SL8 Series Of Ejector Spring. Great item to have on hand as this is prone to wear and breakage- US.
    HKP-18374
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • New - H&K 91/G3 (7.62x51/.308) Magazine Catch - HKP-02073 HK91, G3 Magazine Catch
    Add to Cart

    HK91, G3 Magazine Catch

    H&K Heckler & Koch

    $19.95
    G3 Magazine Catch High-quality HK German production units are brand-new. These also have the proper newer style cut in them and round shafts. Compatible With: HK G3 HK91 PTR91
    HKP-02073
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • Out Of Stock
    New - H&K HK USP/USPC .45 ACP New Style Extractor - HKP-01478 HK USP, USP Compact .45 ACP New Style Extractor

    HK USP, USP Compact .45 ACP New Style Extractor

    H&K Heckler & Koch

    $59.95
    New Style Extractor New HK German part with red loaded chamber indicator.  Compatible with: USP 45, USP 45 Tactical USP Compact .45, USPC .45 Tactical USP Expert
    HKP-01478
    $59.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $59.95
    Subtotal:
  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Magazine Release Axle - HKP-02159 HK UMP Magazine Release Axle
    Add to Cart

    HK UMP Magazine Release Axle

    H&K Heckler & Koch

    $19.95
    HK UMP Magazine Release Axle  
    HKP-02159
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • New - HKP HK 93/53/33 (5.56/.223) Firing Pin - Titanium - HKP-17769
    Add to Cart

    HK33, HK53, HK93 Firing Pin - Titanium

    HKP HK Parts

    $49.95
    HK93, 33, 53 Firing Pin - Titanium A must have upgrade to have on hand as the firing pin is one of the most abused components in the HK 93, HK33 & HK53 weapon system. Get the lightest, strongest firing pin available for your HK firearm. Ideal for...
    HKP-17769
    $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • On Sale
    New - HKP HK VP9/VP9SK, VP40 Enhanced Support Sleeve - Green - HKP-19631 HK VP9, VP9SK, VP40 Enhanced Support Sleeve - Green
    Add to Cart

    HK VP9, VP9SK, VP40 Enhanced Support Sleeve - Green

    HKP HK Parts

    Now: $7.75
    Was: $14.96
    Enhanced Support Sleeve VP9, VP9SK & VP40 - Aluminum Alloy - Green A must-have upgrade part for the VP series of pistols! The support sleeve is found in the VP slide and is the part that depresses to allow you to remove the slide plate, firing pin...
    HKP-19631
    Now: $7.75
    Was: $14.96
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $7.75
    Was: $14.96
    Subtotal:
  • New - H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier - HKP-16847
    Add to Cart

    HK416, MR556 Bolt Carrier Roll Pin

    H&K Heckler & Koch

    $6.95
    H&K HK MR556/416 Roll Pin for Catch On Bolt Carrier This roll pin is used in the bolt carrier to secure the catch. Compatible With: HK MR556 HK 416
    HKP-16847
    $6.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Lower Locking Pin - HKP-00595
    Add to Cart

    HK UMP, USC Lower Locking Pin

    H&K Heckler & Koch

    $36.95
    HK German UMP Lower Locking Pin For use with all HK UMP lowers and USC to UMP conversions. New HK German manufacture.  
    HKP-00595
    $36.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $36.95
    Subtotal:
  • New - HKP MP5 40/10 Magazine Floor Plate - HKP-16507 HK MP5 Magazine Floorplate - 10mm / .40 S&W - US
    Add to Cart

    HK MP5 Magazine Floorplate - 10mm / .40 S&W - US

    HKP HK Parts

    $9.95
    HKP MP5 40/10 Magazine Floor Plate Great for spare parts and also a much needed US made compliant part for U.S. compliance.
    HKP-16507
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • Out Of Stock
    New - H&K HK 45/45C V3 Left Side Decock Only Lever - HKP-02706

    HK45, HK45 Compact V3 Left Side Decock Only Lever

    H&K Heckler & Koch

    $49.95
    Decock Lever ONLY For Left Side Of Frame - HK45, HK45C This control lever is for those who are right-handed and want the control lever on the left-hand side of the frame with the decock function only.  Compatible With: HK45, HK45...
    HKP-02706
    $49.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • New - H&K HK P7M10/P7M13 Retaining Pin - HKP-16436
    Add to Cart

    HK P7M10, P7M13 Retaining Pin

    H&K Heckler & Koch

    $4.95
    H&K HK P7M10/P7M13 Retaining Pin
    HKP-16436
    $4.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • New - H&K HK 416/417/MR556/MR762 Bridge - HKP-02676 HK416, HK417, MR556, MR762  Bridge
    Add to Cart

    HK416, HK417, MR556, MR762 Bridge

    H&K Heckler & Koch

    $24.95
    H&K HK 416/417/MR556/MR762 Bridge For Lowers Compatible With: HK MR556 HK 416 HK MR762 HK 417
    HKP-02676
    $24.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $24.95
    Subtotal:
  • Total: items /

Adding your products to cart