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 - Talon Grip HK USP Compact .45 ACP - Granulate Black - HKP-20278 HK USP Compact Grip Wrap - Granulate - .45 ACP
    Add to Cart

    HK USP Compact Grip Wrap - Granulate - .45 ACP

    Talon Grip

    $19.99
    TALON Grip - USP Compact .45 - 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 easy. The pistol...
    HKP-20278
    $19.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.99
    Subtotal:
  • New - Geissele HK 416 Super Modular M-LOK 14.5" Rail - Black - HKP-19806 HK416 Handguard - Super Modular Rail - 14.5" - M-LOK
    Add to Cart

    HK416 Handguard - Super Modular Rail - 14.5" - M-LOK

    Geissele

    $504.00
    Geissele HK416 Super Modular M-LOK 14.5" Rail The Super Modular Rail HK416 M-LOK was designed to replace the standard rail on an HK416 or MR556 weapon platform. The rail system utilizes the stock HK barrel nut, but incorporates the strength, rigidity and...
    HKP-19806
    $504.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $504.00
    Subtotal:
  • New - H&K HK 417/MR762 Magazine Catch Retainer Ring - HKP-16521 HK417, MR762 Magazine Catch Retainer Ring
    Add to Cart

    HK417, MR762 Magazine Catch Retainer Ring

    H&K Heckler & Koch

    $10.95
    H&K HK 417/MR762 Magazine Catch Retainer Ring   Compatible With: HK 417 HK MR762
    HKP-16521
    $10.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $10.95
    Subtotal:
  • Out Of Stock
    New - H&K HK G28 Buffer Tube - Black - HKP-16741 HK G28 Buffer Tube

    HK G28 Buffer Tube

    H&K Heckler & Koch

    $199.95
    HK G28 Buffer Tube / Receiver Extension New HK German buffer tube with the proper slot cut for use with the G28 stock. This is the factory correct part needed to get the full range and use of the G28 adjustable stock. Made in Germany by HK.
    HKP-16741
    $199.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $199.95
    Subtotal:
  • New - RCM HK P30L .40 S&W Tactical Barrel - Threaded 9/16x24 RH - HKP-16713 HK P30L Tactical Barrel - .40 S&W - 5.06" - Threaded  9/16x24 RH
    Add to Cart

    HK P30L Tactical Barrel - .40 S&W - 5.06" - Threaded 9/16x24 RH

    RCM

    $225.00
    RCM HK P30L .40 S&W Tactical Barrel - Threaded 9/16x24 RH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK P30L .40...
    HKP-16713
    $225.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $225.00
    Subtotal:
  • New - H&K HK P30/P30S 9mm Complete Recoil Assembly - HKP-01497
    Add to Cart

    HK P30, P30S 9mm Complete Recoil Assembly

    H&K Heckler & Koch

    $89.95
    HK P30 & P30S 9mm Recoil Rod Assembly - Complete A genuine German Heckler & Koch part. Fresh springs help the pistol function as it was designed. Compatible With: P30 P30S    
    HKP-01497
    $89.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $89.95
    Subtotal:
  • Out Of Stock
    New - HKP 416 10.4" 5.56 Complete Upper Receiver Assembly - HKP-17662 HK416 Upper Receiver Kit - 10.4" - 5.56

    HK416 Upper Receiver Kit - 10.4" - 5.56

    HKP HK Parts

    $2,485.95
    HKP 416 10.4" 5.56 Complete Upper Kit Complete Each kit includes the complete upper assembly, bolt group, tungsten buffer, & high-reliability SS recoil spring. This upper kit is a complete gas piston HK 416 style upper assembly that will drop on your...
    HKP-17662
    $2,485.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $2,485.95
    Subtotal:
  • New - H&K HK MR556/MR762/416/417/G28 Sniper PSG1 Style Grip - RAL 8000 - HKP-17693 HK416, MR556, HK417, MR762, G28 Pistol Grip - PSG1 Sniper Style  - RAL8000
    Add to Cart

    HK416, MR556, HK417, MR762, G28 Pistol Grip - PSG1 Sniper Style - RAL8000

    H&K Heckler & Koch

    $129.95
    H&K HK MR556/MR762/416/417/G28 Sniper PSG1 Style Grip - RAL 8000 HK German PSG1 style sniper factory. Each grip will fit all AR-15/M-16 lower receivers as well. Superior fit & feel to any other grip on the market. HK has hit a home run with their...
    HKP-17693
    $129.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $129.95
    Subtotal:
  • New - H&K HK MR556/416 Roll Pin for Charging Handle - HKP-17063
    Add to Cart

    HK 416, MR556 Charging Handle Roll Pin

    H&K Heckler & Koch

    $7.95
    HK Clamping Sleeve or Roll Pin for Pawl On Charging Handle This is the longer one that is used on the outside of the charging handle. There are one of these pins used per charging handle.
    HKP-17063
    $7.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    Subtotal:
  • New - HKP HK MR556/MR762/416/AR-15 Titanium Take Down Pin Set - HKP-17936
    Add to Cart

    HK416, MR556, MR762, AR-15 Take Down Pin Set - Titanium

    HKP HK Parts

    $29.95
    AR15, M4, MR556, MR762, AR10 Enhanced Take Down Pin Set Front & Rear - Titanium Custom ultra strong pure titanium front and rear take down pin set. Each set included both the front and rear pins for any AR mil-spec style lower. Compatible...
    HKP-17936
    $29.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • New - H&K HK SL8 Cheek Piece Riser - HKP-01701 HK SL8 Buttstock Cheek Riser Piece
    Add to Cart

    HK SL8 Buttstock Cheek Riser Piece

    H&K Heckler & Koch

    $34.95
    Heckler and Koch HK German SL8 Stock Cheek Riser Piece Compatible with all HK SL8 models. Cheek piece for SL8-1 and SL8-6 rifles
    HKP-01701
    $34.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • New - HK G36/MP7 (4.6x30/5.56/.223) Firing Pin Bolt O-Ring - HKP-18373 HK MP7, G36, Bolt O-Ring - Firing Pin - US
    Add to Cart

    HK MP7, G36, Bolt O-Ring - Firing Pin - US

    USA

    $5.95
    HK G36 & MP7 Firing Pin Bolt O-ring. This is also the O-ring for the retaining pin for the MP7- US. Compatible With: HK G36 HK MP7
    HKP-18373
    $5.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    Subtotal:
  • Total: items /

Adding your products to cart