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
  • On Sale
    Franklin Armory BFSIII AK-C1 Standard Caliber - BLEMISHED FA Franklin Armory HKP-19833-B Franklin Armory BFSIII AK-C1 Standard Caliber - BLEMISHED FA Franklin Armory HKP-19833-B
    Add to Cart

    AK Binary Trigger - Curved - BFSIII - BLEMISHED

    FA Franklin Armory

    Now: $385.99
    Was: $534.95
    Franklin Armory BFSIII AK-C1 Standard Caliber - 7.62x39 - BLEMISHED DAMAGED PACKAGING - PRODUCT UNAFFECTED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The...
    HKP-19833-B
    Now: $385.99
    Was: $534.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $385.99
    Was: $534.95
    Subtotal:
    Add to Cart
  • On Sale
    HKP HK VP9SK EDC Magwell - Ultra Low Profile HKP HK Parts HKP-22263-M HK VP9SK EDC Magwell - Ultra Low Profile
    Choose Options

    HK VP9SK EDC Magwell - Ultra Low Profile

    HKP HK Parts

    Now: $43.95
    Was: $55.95
    HKP HK VP9SK EDC Magwell - Ultra Low Profile The smallest and most streamlined EDC magwell for the HK VP9SK, now featuring a fully functional funnel designed for rapid, seamless reloads. Crafted from durable aluminum and treated with type 3 hard coat...
    HKP-22263-M
    Now: $43.95
    Was: $55.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $43.95
    Was: $55.95
    Subtotal:
    Choose Options
  • H&K HK 91/G3 Sniper Trigger Group with AC Unity Grip H&K Heckler & Koch HKP-22252 H&K HK 91/G3 Sniper Trigger Group with AC Unity Grip H&K Heckler & Koch HKP-22252
    Add to Cart

    HK91, G3 Sniper Trigger Group - AC Unity Grip

    H&K Heckler & Koch

    $699.95
    H&K HK91, G3 Sniper Trigger Group with AC Unity Grip The G3, HK91 match trigger group paired with the AC Unity PSG1 style sniper grip is an outstanding choice for anyone looking to create a tactical and visually impressive build. With its robust...
    HKP-22252
    $699.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $699.95
    Subtotal:
    Add to Cart
  • Out Of Stock
    On Sale
    Used - Zeiss Fero Z-51 Night Vision Canvas Bag - OD Green - Surplus - HKP-99201 Fero Z-51 Night Vision Canvas Bag - OD Green - Surplus

    Fero Z-51 Night Vision Canvas Bag - OD Green - Surplus

    Zeiss / Fero

    Now: $19.95
    Was: $29.95
    Zeiss Fero Z-51 Night Vision Canvas Bag - OD Green - Surplus CONDITION AND COLOR MAY VARY. SEE PHOTOS. German manufactured surplus OD green canvas bag for the Z-51 night vision scope. THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE...
    HKP-99201
    Now: $19.95
    Was: $29.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $19.95
    Was: $29.95
    Subtotal:
    Out Of Stock
  • Out Of Stock
    HK USP45T Stripped Slide HK USP45T Stripped Slide

    HK USP45T Stripped Slide

    H&K Heckler & Koch

    $399.95
    H&K USP45T Stripped Slide Factory replacement slide for the HK USP45 Tactical. Compatible With: HK USP  
    HKP-22024
    $399.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $399.95
    Subtotal:
    Out Of Stock
  • New - H&K MR556/416 E2 Charging Handle - HKP-22021 HK416, MR556 Charging Handle - E2
    Add to Cart

    HK416, MR556 Charging Handle - E2

    H&K Heckler & Koch

    $153.95
    Heckler and Koch E2 Charging Handle for HK416, MR556 Factory HK charging handles for the MR556, HK416 platform. The standard MR556 charging handle allows the release latch to be configured on either the right or left side for user preference. The HK E2...
    HKP-22021
    $153.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $153.95
    Subtotal:
    Add to Cart
  • Out Of Stock
    New - B&T Aimpoint ACRO P-2 w/ B&T Skeleton Mount 39mm - HKP-21857-M Picatinny Optic Mount - 39mm - Skeleton - Aimpoint ACRO P-2

    Picatinny Optic Mount - 39mm - Skeleton - Aimpoint ACRO P-2

    B&T Brugger & Thomet

    $737.95
    B&T Aimpoint ACRO P-2 w/ B&T Skeleton Mount 39mm The Aimpoint Acro P-2, paired with the B&T Skeleton Mount (39mm), takes the ACRO reflex sight to new heights in durability and reliability. It's fully enclosed design protects against rain, mud...
    HKP-21857-M
    $737.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $737.95
    Subtotal:
    Out Of Stock
  • On Sale
    New - HKP HK MP5K Optic Scope Rail - HKP-21852 HK MP5K Optic Mount
    Add to Cart

    HK MP5K Optic Mount

    HKP HK Parts

    Now: $77.95
    Was: $97.95
    HKP HK MP5K Optic Scope Rail The HKP optic scope rail is designed to be welded to the top of the receiver to provide a secure Picatinny optic mount for your MP5K.  Includes sight mount to retain the factory rear diopter sight. Compatible With: HK...
    HKP-21852
    Now: $77.95
    Was: $97.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $77.95
    Was: $97.95
    Subtotal:
    Add to Cart
  • On Sale
    New - HKP HK G36 Replacement 30 Round Magazine Spring - HKP-21830 HK G36 Magazine Spring - 30 Round
    Add to Cart

    HK G36 Magazine Spring - 30 Round

    HKP HK Parts

    Now: $5.95
    Was: $7.95
    HKP HK G36 Replacement 30 Round Magazine Spring A high-quality replacement spring designed to restore optimal performance to your G36 magazine. Built to withstand frequent use, this component ensures smooth feeding and reliable function. Compatible...
    HKP-21830
    Now: $5.95
    Was: $7.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $5.95
    Was: $7.95
    Subtotal:
    Add to Cart
  • Out Of Stock
    New - B&T HK MP5/SP5 Tail Hook Adapter - HKP-21763 HK MP5, SP5 Adapter - Tail Hook

    HK MP5, SP5 Adapter - Tail Hook

    B&T Brugger & Thomet

    $135.00
    B&T Tail Hook Adapter MP5/SP5 (Including K)   Compatible With: HK MP5/MP5K HK SP5/SP5K  
    HKP-21763
    $135.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $135.00
    Subtotal:
    Out Of Stock
  • Out Of Stock
    New - B&T HK G36/G36K NAR Mounting Rail - HKP-21529 HK G36, 36K NAR Mounting Rail

    HK G36, 36K NAR Mounting Rail

    B&T Brugger & Thomet

    $339.95
    B&T HK G36/G36K NAR Mounting Rail with Emergency Sight  B&T NAR (picatinny compatible) mounting rail for HK G36/G36K with emergency sight. Compatible With: HK G36 HK G36K  
    HKP-21529
    $339.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $339.95
    Subtotal:
    Out Of Stock
  • On Sale
    New - HKP HK P2000SK Compensator for Threaded Barrel - HKP-20884 HK P2000SK Compensator for Threaded Barrel
    Add to Cart

    HK P2000SK Compensator for Threaded Barrel

    HKP HK Parts

    Now: $134.95
    Was: $189.95
    HKP HK P2000SK Compensator for Threaded Barrel The HK Parts P2000SK compensator will add a sleek and tactical look to your P2000SK. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and...
    HKP-20884
    Now: $134.95
    Was: $189.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $134.95
    Was: $189.95
    Subtotal:
    Add to Cart
  • Total: items /

Adding your products to cart

View Cart Continue Shopping