Parts

Parts

At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.

Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • New - HKP Single Point Quick Detach Sling - OD Green - HKP-19708 HK Single Point Quick Detach Sling - OD Green
    Add to Cart

    HK Single Point Quick Detach Sling - OD Green

    NcSTAR

    $29.95
    HK Single Point Sling in Green - Quick Detach Specifications: Composition: Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee construction. Style: Bungee-type design for complete comfort and stability Sling loop is adjustable for length...
    HKP-19708
    $29.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • New - H&K VP9, HK VP40 Backstrap - Small - Black - HKP-16814 HK VP9, HK VP40 Backstrap - Small - Black
    Add to Cart

    HK VP9, HK VP40 Backstrap - Small - Black

    H&K Heckler & Koch

    $29.95
    H&K VP9, HK VP40 Backstrap - Small - Black New HK German manufacture. Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 K
    HKP-16814
    $29.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer - HKP-00594
    Add to Cart

    HK UMP, USC Recoil Buffer

    H&K Heckler & Koch

    $20.95
    HK German USC & UMP Recoil Buffer Replaceable spare lower housing or buffer for buffer housings. This is a high wear and replacement item and a must-have for spare parts. Compatible With: HK USC .45 HK UMP models
    HKP-00594
    $20.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.95
    Subtotal:
  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Lower Axle - HKP-01893
    Add to Cart

    HK UMP, USC Lower Axle

    H&K Heckler & Koch

    $9.95
    HK UMP & USC Lower Axle - German 3 X lower axle pins are used for each trigger group or lower all pins are the same size, except the mag release axle on the USC model. 
    HKP-01893
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - HKP HK MP5 9mm Magazine Locking Plate - Red - HKP-18303 HK MP5 Magazine Locking Plate - 9mm - Red
    Add to Cart

    HK MP5 Magazine Locking Plate - 9mm - Red

    HKP HK Parts

    $7.95
    HKP HK MP5, MP5K 9mm Magazine Locking Plate - HK Red Teflon infused glass filled polymer red colored locking plate that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that allows you to swap the locking plate to a red unit. A great...
    HKP-18303
    $7.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    Subtotal:
  • New - Streamlight TLR-9 Weapon Light - 1,000 Lumens - HKP-21620 Streamlight TLR-9 Weapon Light - 1,000 Lumens
    Add to Cart

    Streamlight TLR-9 Weapon Light - 1,000 Lumens

    Streamlight

    MSRP: $269.66
    $144.95
    Streamlight TLR-9 Weapon Light - 1,000 Lumens Maximize your weapons platform with interchangeable rear paddle switches that allow you to customize your TLR-9 to your shooting style. Features: 1,000 lumens; 200m beam; runs 1.5 hours Custom optic...
    HKP-21620
    MSRP: $269.66
    $144.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    MSRP: $269.66
    $144.95
    Subtotal:
  • Out Of Stock
    HK416 A5  Trigger Guard - RAL8000 HK416 A5  Trigger Guard - RAL8000

    HK416 A5 Trigger Guard - RAL8000

    H&K Heckler & Koch

    $54.95
    H&K HK 416 A5 Trigger Guard: Check out the factory H&K A5 trigger guard, now available in the highly desirable Ral8000 anodized finish. This is the latest and greatest addition to complete your A5 416 build. Compatible With: HK 416 A3/A5 HK...
    HKP-21517
    $54.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • New - Zenith 30 Round HK MP5, MP5K 9mm Magazine - Bundle of 10 - HKP-20673 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Bundle of 10
    Add to Cart

    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Bundle of 10

    Zenith

    $349.95
    30 Round Magazine - Zenith - MP5, MP5K -  Bundle of 10 Features: Durable electro-plated black finish for exceptional corrosion resistance All steel construction Round count indicator holes on the rear of the magazine Stainless steel...
    HKP-20673
    $349.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $349.95
    Subtotal:
  • New - B&T HK SP5 Folding Stock w/ HK Parts Adapter - HKP-20663 HK SP5 Folding Stock w/ HK Parts Adapter
    Add to Cart

    HK SP5 Folding Stock w/ HK Parts Adapter

    B&T Brugger & Thomet

    $299.95
    B&T Folding Stock with HK Parts Adapter - SP5 B&T stock with a SP5 HK Parts Adapter. The HK Parts adapter is made from a solid billet of CNC machined aircraft grade aluminum and offers a QD attachment point. Finished in black cerakote. This will...
    HKP-20663
    $299.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • HK MP5, HK94 Slimline Handguard - OD Green
Used - H&K HK MP5 & HK94 Slimline Forearm - OD Green - HKP-20197
    Choose Options

    HK MP5, HK94 Slimline Handguard - OD Green

    H&K Heckler & Koch

    $49.95
    H&K HK MP5 & HK94 Slimline Forearm - OD Green Used German military surplus O.D green slimline forearm with heat shield cut down to fit the MP5 & HK94. These are rare items only offered here at HK Parts. Each item is in good to excellent shape...
    HKP-20197-M
    $49.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • New - HKP +4 HK VP9/P30 Magazine Extension Kit - HKP-17589 HK VP9, P30 Magazine Extension Kit - +4
    Choose Options

    HK VP9, P30 Magazine Extension Kit - +4

    HKP HK Parts

    $34.95
    HKP +4 HK VP9/P30 Magazine Extension Kit HK Parts magazine extension +4 kit adds 4 additional rounds to the HK VP9/P30 magazine with the simple swap of the floor plate and the included high reliability mag spring. Each +4 kit includes the +4 extension...
    HKP-17589
    $34.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • New - HKP P30L Lightcomp™ - HKP-21427 HK P30L Lightcomp™
    Add to Cart

    HK P30L Lightcomp™

    HKP HK Parts

    $387.95
    HKP P30L Lightcomp™ (Patent Pending) Traditionally, adding a compensator and a weapon light to your pistol would require purchasing the light and the comp.  In a perfect world, that combo would optimally locate the weapon light switches for...
    HKP-21427
    $387.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $387.95
    Subtotal:
  • Total: items /

Adding your products to cart