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
  • Used - H&K 91/G3 (7.62x51/.308) 20 Round Magazine - Steel - Refinished - HKP-21587 HK91, G3 20 Round Magazine - Steel - Refinished
    Add to Cart

    HK91, G3 20 Round Magazine - Steel - Refinished

    H&K Heckler & Koch

    $57.95
    HK German 20 Round Steel Magazine - Refinished HK G3 factory steel 20-round magazine, expertly restored to its former glory. This magazine has been meticulously refinished inside and out, featuring a polished follower along with a fully parkerized finish...
    HKP-21587
    $57.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $57.95
    Subtotal:
  • On Sale
    New - HKP HK P30SK Stand Off Device - Black - HKP-19191 HK P30SK Stand Off Device
    Add to Cart

    HK P30SK Stand Off Device

    HKP HK Parts

    Now: $68.95
    Was: $109.95
    HKP HK P30SK Stand Off Device The P30SK stand-off device is a worst-case-scenario accessory that prevents the slide from being pushed back on the frame (thereby disengaging the trigger).  The ulimate component for close quarters interdiction. ...
    HKP-19191
    Now: $68.95
    Was: $109.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $68.95
    Was: $109.95
    Subtotal:
  • New - HK G36/UMP Folding Stock Release Spring - HKP-00637
    Add to Cart

    HK G36, UMP Folding Stock Release Spring

    H&K Heckler & Koch

    $9.95
    HK G36 Folding Stock Release Spring This is the spring that fits under the stock release button to activate the folding and retention of the G36 or UMP stock. Compatible With: HK G36 HK G36K HK G36C UMP
    HKP-00637
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - H&K HK USP Adjustable Rear Sight - Black - HKP-17361 HK USP Adjustable Rear Sight
    Add to Cart

    HK USP Adjustable Rear Sight

    H&K Heckler & Koch

    $135.95
    H&K HK USP Adjustable Rear Sight HK German adjustable rear sight for use with HK USP full size pistols Compatible With: HK USP .45 HK USP .40 HK USP 9mm HK USP Tactical .45 HK USP Tactical .40 HK USP Tactical 9mm All HK USP full size models All HK...
    HKP-17361
    $135.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $135.95
    Subtotal:
  • Out Of Stock
    Used - H&K HK G3/91/PTR F/A Complete Training Bolt Group - HKP-18265

    HK91, G3, PTR F/A Complete Training Bolt Group

    H&K Heckler & Koch

    $0.00
    H&K HK G3/91/PTR F/A Complete Training Bolt Group   Surplus HK German Plastic training ammo bolt group. To be used with the readily available and cheap plastic tipped training ammo only! A neat collectible item as only a small number were made...
    HKP-18265
    $0.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • New - RCM HK 93/53/33 # 8 Locking Piece 53 Degree - HKP-16555
    Add to Cart

    HK33, HK53, HK93 Locking Piece # 8 - 53 Degree

    RCM

    $49.95
    RCM HK 93/53/33 # 8 Locking Piece 53 Degree New 53 Degree #8 Locking Piece for the HK 93, 33, C93 & V93 rifles. Made in the USA from ordnance grade steel, heat treated and made to last. A pefect upgrade for your well used or questionable C93 or C93P...
    HKP-16555
    $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • New - H&K MP5 M-LOK Wide Forearm - Black - HKP-21870 HK MP5 M-LOK Wide Handguard
    Add to Cart

    HK MP5 M-LOK Wide Handguard

    H&K Heckler & Koch

    $98.95
    H&K MP5 M-LOK Wide Forearm  Genuine HK wide forearm with the addition of M-LOK slots for a unique, functional handguard solution. This is a great option for those that want a genuine HK handguard with the versatility of M-LOK attachment...
    HKP-21870
    $98.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $98.95
    Subtotal:
  • New - AIM HK to AR15 Adapter - HKP-20891 HK91, G3, PTR PDW Stock Adapter - AR-15 Style
    Add to Cart

    HK91, G3, PTR PDW Stock Adapter - AR-15 Style

    AIM

    $54.99
    HK91, G3, PTR PDW Stock Adapter - AR-15 Style The Aim Sports Inc HK to AR15 stock adapter for AR15 stocks. Works with any Mil-spec buffer tube and castle nut to use any Mil-spec AR15/M16 stock of your choice on your HK rifle, SBR, or pistol. With our...
    HKP-20891
    $54.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $54.99
    Subtotal:
  • New - H&K HK G36 Backplate w/ Recoil Buffer - HKP-01058 HK G36 Backplate
    Add to Cart

    HK G36 Backplate

    H&K Heckler & Koch

    $94.99
    HK G36 Backplate With Recoil Buffer This is a great spare or replacement to have on hand. These are also required for those that are doing the SL8-G36 conversions provided by Tommy Bostic & Chopstix Kid.  
    HKP-01058
    $94.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $94.99
    Subtotal:
  • New - Blitzkrieg PTR Chevron Front Sight Gen 2 - Luminescent Green - HKP-20451 PTR Chevron Front Sight - Gen 2 - Luminescent Green
    Add to Cart

    PTR Chevron Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $56.99
    Blitzkrieg PTR Chevron Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight delivers a fast, bold sight picture with a sharp, precision aiming point. Designed for easy installation, it eliminates the need for tools by using a...
    HKP-20451
    $56.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $56.99
    Subtotal:
  • Out Of Stock
    New - HK MP5, 94 UMP Style Folding Stock With HK Parts Brace/Stock Adapter - HKP-20215 HK MP5, 94 Folding Stock - UMP Style - HK Parts Stock or Brace Adapter Included

    HK MP5, 94 Folding Stock - UMP Style - HK Parts Stock or Brace Adapter Included

    USA

    $249.95
    HK MP5, 94 UMP Style Folding Stock With HK Parts Brace/Stock Adapter New US UMP style folding stock assembled with our own HK Parts stock adapter. Our HK Parts stock adapter was made from a solid billet of CNC machined aircraft grade aluminum with QD...
    HKP-20215
    $249.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $249.95
    Subtotal:
  • New - H&K HK VP9/VP9SK, VP40 Right Side Slide Release - Black - HKP-16794 HK VP9, VP9SK, VP40 Right Side Slide Release
    Add to Cart

    HK VP9, VP9SK, VP40 Right Side Slide Release

    H&K Heckler & Koch

    $18.95
    Right Side VP9, VP40 Slide Release Lever   Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40
    HKP-16794
    $18.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $18.95
    Subtotal:
  • Total: items /

Adding your products to cart