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 HK UMP 2 Position Lower Grip Frame - FDE - HKP-19384 HK UMP 2 Position Lower Grip Frame
    Choose Options

    HK UMP 2 Position Lower Grip Frame

    HKP HK Parts

    $184.95
    HKP HK UMP 2 Position Lower Grip Frame Lower grip frame configured for two-position operation. Designed for use with user-supplied internals and suitable for replacement or build use on HK UMP pattern firearms. Commonly used for USC to UMP conversion...
    HKP-19384-M
    $184.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $184.95
    Subtotal:
  • Out Of Stock
    Like New - H&K 30 Round HK MP5, MP5K LEO Marked 9mm Magazine - Like New- HKP-20517 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked - Like New

    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked - Like New

    H&K Heckler & Koch

    $199.95
    HK German MP5 30 Round Magazine Laser Etched LEO Markings This is a Like New H&K German MP5 9mm 30-round magazine in excellent condition. All MP5 magazines are police department trade-in items featuring laser-etched LEO/Restricted markings. These...
    HKP-20517
    $199.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • New - Talon Grip HK Navy Style Lower Pistol Grip Granulate - Black - HKP-20230 HK MP5, G3, HK93 Grip Wrap - Granulate - Navy Style Lower
    Add to Cart

    HK MP5, G3, HK93 Grip Wrap - Granulate - Navy Style Lower

    Talon Grip

    $19.99
    Talon Grip HK Navy Style Lower Pistol Grip Granulate - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and...
    HKP-20230
    $19.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.99
    Subtotal:
  • New - H&K HK Mark 23 Ejector Roll Pin - HKP-01816
    Add to Cart

    HK Mark 23 Ejector Roll Pin

    H&K Heckler & Koch

    $6.95
    HK Mark 23 Ejector Roll Pin The Mark 23 has been discontinued, and spare parts will become limited in time, so stock up now while we have these hard-to-find parts available.
    HKP-01816
    $6.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • New - H&K HK P30SK/P2000SK Hammer Spring - HKP-02598
    Add to Cart

    HK P30SK, P2000SK Hammer Spring

    H&K Heckler & Koch

    $9.95
    HK German Hammer Spring  This spring is used with LEM and all standard models. Compatible With: P2000SK P30SK   
    HKP-02598
    $9.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - H&K 91/G3/MSG90 (7.62x51/.308) 10 Round Magazine - Steel - HKP-01607 HK91, G3, PTR Magazine - 10 Round - Steel
    Add to Cart

    HK91, G3, PTR Magazine - 10 Round - Steel

    H&K Heckler & Koch

    $73.95
    10 Round Magazine - Steel This part counts as 1 US-made part for 922r compliance for HK rifles. This magazine was made by Heckler and Koch and converted to ten rounds in the United States using the US-made floorplate. Compatible With: HK91 HK G3 HK...
    HKP-01607
    $73.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $73.95
    Subtotal:
  • Used - H&K MP5/SP5 Rear Sight Sets Complete All 7 Pieces - HKP-02531
    Add to Cart

    HK MP5, SP5 Rear Sight Assembly Sets, Complete - All 7 Pieces

    H&K Heckler & Koch

    $129.95
    MP5, SP5, MP5K, & SP5K Rear Sight Set Complete - German HK Each rear sight set includes the entire rear sight assembly & all the mounting hardware for the complete MP5 rear sight assembly.  Each Set Includes The Following German HK...
    HKP-02531
    $129.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $129.95
    Subtotal:
  • Out Of Stock
    HK MP5K, AP5P OEM Picatinny Rail MKE HKP-22334 HK MP5K, AP5P OEM Picatinny Rail MKE HKP-22334

    HK MP5, MP5K, AP5-P Optic Mount - Picatinny

    MKE

    $49.95
    MKE HK MP5K, AP5P OEM Picatinny Optic Rail MKE Picatinny optic rail for the MP5K platform.  OEM part for the Century AP5-P and AP5-M.  This rail is the K specific length but is compatible with full size MP5 guns as well. Compatible With: HK...
    HKP-22334
    $49.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • HK416, MR556 Dual Magazine Clamp New - HKP HK416/MR556 Dual Magazine Clamp - HKP-21553-M
    Choose Options

    HK416, MR556 Dual Magazine Clamp

    HKP HK Parts

    $49.95
    HKP HK MR556/416 Dual Magazine Clamp  Securely hold two HK Maritime 416 magazines together for fast mag swaps. Precision-machined from billet aluminum and cerakoted in the popular RAL8000 or classic black, our dual mag clamp is a must for those...
    HKP-21553-M
    $49.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $49.95
    Subtotal:
  • New - SB Tactical - HK MP5 Brace with HKP Adapter - Skeletonized - HKP-21055 HK MP5 Brace and HKP Adapter - Skeletonized
    Add to Cart

    HK MP5 Brace and HKP Adapter - Skeletonized

    HKP HK Parts / SB Tactical

    $299.95
    SB Tactical Side Folding Brace For The HK MP5, SP5 model Each brace comes assembled ready to install no assembly required. This complete brace will come assembled with our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling...
    HKP-21055
    $299.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • New - HKP Short Sleeve Tee - Black - HKP-21026-M
    Choose Options

    HKP Shirt - Short Sleeve - Black

    HKP HK Parts

    $14.95
    HKP Short Sleeve Shirt - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the range! Features: Unisex fit Fine cotton High fidelity DTG...
    HKP-21026-M
    $14.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $14.95
    Subtotal:
  • New - HKP HK 416 Ejection Port Axle - HKP-20039
    Add to Cart

    HK416 Ejection Port Axle

    H&K Heckler & Koch

    $4.95
    Ejection Port Axle - Steel- HK 416 New HK USA manufacture for the HK 416 family of firearms. This is the axle that holds the ejection port cover in place on the upper receiver. 
    HKP-20039
    $4.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $4.95
    Subtotal:
  • Total: items /

Adding your products to cart