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 - HKP Torx Binary Upgrade Screw Set - HKP-21816
    Add to Cart

    HK Torx Screw Set for Binary Selector Lever - Upgrade

    HKP HK Parts

    $2.95
    HKP Torx Binary Upgrade Screw Set Upgrade your binary selector levers with our Torx hardware set.  Torx hardware is less likely to strip than standard allen key hardware.  Good spares to have on hand as well. Note: Each set comes with 2 screws.
    HKP-21816
    $2.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2.95
    Subtotal:
  • New - H&K Detent Plate For HK45/HK45C Variant 5,6 & 9 - HKP-02079
    Add to Cart

    HK45, HK45C Detent Plate - Variant 5,6,9

    H&K Heckler & Koch

    $54.95
    H&K Detent Plate New HK German manufacture safety ONLY detent plate. This detent plate will convert the firearm to safety only with no decocking functions. Compatible With: HK45 HK45 Tactical HK45C HK45C Tactical
    HKP-02079
    $54.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • New - H&K VP9, VP40 Grip Panel Right Side - Small - Black - HKP-16811 HK VP9, VP40 Grip Panel Right Side - Small - Black
    Add to Cart

    HK VP9, VP40 Grip Panel Right Side - Small - Black

    H&K Heckler & Koch

    $18.95
    H&K VP9, VP40 Grip Panel Right Side - Small - Black New HK German manufactured. Left side, medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VP Pistol. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40
    HKP-16811
    $18.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $18.95
    Subtotal:
  • New - H&K HK P7 Series Slide Removal Button Spring - HKP-01314
    Add to Cart

    HK P7 Series Button Spring - Slide Removal

    H&K Heckler & Koch

    $7.95
    HK P7 Series Slide Removal Button Spring   This item is no longer in production. Get it while it's still available. Compatible With: PSP P7M8 P7M10 P7M13
    HKP-01314
    $7.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    Subtotal:
  • Out Of Stock
    New - H&K HK USP/45 New Style Hammer Strut - HKP-01250

    HK45, USP New Style Hammer Strut

    H&K Heckler & Koch

    $12.95
    H&K HK USP/45 New Style Hammer Strut Compatible With: HK USP 45 HK USP 40 HK USP 9mm HK USP Tactical, Elite, Expert HK45 HK45 Tactical
    HKP-01250
    $12.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $12.95
    Subtotal:
  • New - H&K HK MR556/416 Threaded Pin for Buttstock Insert - HKP-16604 HK416, MR556 Threaded Pin for Buttstock Release Inserts - E1, E2
    Add to Cart

    HK416, MR556 Threaded Pin for Buttstock Release Inserts - E1, E2

    H&K Heckler & Koch

    $9.99
    H&K HK MR556/416 Threaded Pin for E1/E2 Buttstock Release Lever Insert New HK German manufactured E1/E2 stock release and tightening screw that takes the slack and slop out of the stock when in desired position. Compatible With: HK MR556 HK 416
    HKP-16604
    $9.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.99
    Subtotal:
  • New - H&K HK SL8/G36 Gas Piston Rod Spring Assembly - HKP-02000
    Add to Cart

    HK SL8, G36 Rod Spring - Gas Piston

    H&K Heckler & Koch

    $64.95
    HK German G36 & SL8 Gas Piston Rod Spring Assembly Great for spare parts or to use on that HK SL8-G36 conversion. This is a high-wear item and a must-have spare part. Compatible With: SL8-6, SL8-1 G36E, G36 full size
    HKP-02000
    $64.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $64.95
    Subtotal:
  • New - H&K HK MR556/MR762/416 Semi Auto Axle For Selector Lever - HKP-15433 HK416, MR556, MR762 Selector Lever Axle- Semi Auto
    Add to Cart

    HK416, MR556, MR762 Selector Lever Axle- Semi Auto

    H&K Heckler & Koch

    $44.95
    H&K HK MR556/MR762/416 Semi Auto Axle For Selector Lever HK German safe, semi selector axle for the MR 556 & HK 416 family of firearms. All steel construction. Compatible With: HK MR556 HK 416 HK MR762
    HKP-15433
    $44.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $44.95
    Subtotal:
  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer - HKP-01890 HK UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer
    Add to Cart

    HK UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer

    H&K Heckler & Koch

    $9.95
    HK UMP Catch Release Lever Or Trip Lever For All UMP Lowers  
    HKP-01890
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - H&K HK MR762/417 Magazine Catch Spring - HKP-16520
    Add to Cart

    HK417, MR762 Magazine Catch Spring

    H&K Heckler & Koch

    $9.95
    H&K HK MR762/417 Magazine Catch Spring New HK German manufacture. Factory correct magazine catch for the magazine release. Compatible With: HK MR762 HK 417 HK G28
    HKP-16520
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - H&K HK USP Left Side V1/5/9 Decocking Lever - HKP-01169 HK USP Decocking Lever - Left Side V1/5/9
    Add to Cart

    HK USP Decocking Lever - Left Side V1/5/9

    H&K Heckler & Koch

    $59.99
    H&K HK USP Left Side V1/5/9 Decocking Lever A Heckler and Koch genuine part. This item allows a right-handed shooter to have the safety and or decocking functions on the LEFT side of the firearm. This is to be used in conjunction with the correct...
    HKP-01169
    $59.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $59.99
    Subtotal:
  • New - H&K G36/SL8 (5.56/.223) Complete Firing Pin Retaining Pin - HKP-14050 HK G36, SL8 Retaining Pin And O-Ring
    Add to Cart

    HK G36, SL8 Retaining Pin And O-Ring

    H&K Heckler & Koch

    $11.95
    Retaining Pin For Firing Pin Complete With O-Ring Compatible With: HK G36 HK SL8
    HKP-14050
    $11.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $11.95
    Subtotal:
  • Total: items /

Adding your products to cart