HK Rifle / SMG Parts

HK Rifle / SMG Parts

Elevate Your HK Rifle with Premium Parts – MP5, HK416, SP5, and More!

Enhance your HK rifle with top-notch parts and accessories. From HK MP5 and HK MP5K to HK SP5 and HK UMP or HK USC, we offer a vast selection. Discover high-quality magazines, binary triggers, stocks, grips, barrels, handguards, sights, and more for your firearm. Whether you own an HK416, HK SP5K, HK G36, or HK MP5 22, we have the Heckler and Koch rifle parts you've been looking for. Shop now to upgrade your rifle to perfection.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • New - HKP HK 21 (7.62x51/.308) Tripod Adapter - HKP-00232
    Add to Cart

    HK21, HK23, HK11 Tripod Adapter Weldment

    HKP HK Parts

    $25.95
    HK21, HK23, HK11 Tripod Adapter Weldment Raw steel tripod adapter, ready to weld to the bottom of an HK21 shroud.  This factory spec adapter is compatible with factory HK tripods.   Compatible With: HK21 (German and FMP...
    HKP-00232
    $25.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $25.95
    Subtotal:
  • Out Of Stock
    New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) Complete Rear Stock - HKP-00575 HK21E, HK23E Buttstock, Complete

    HK21E, HK23E Buttstock, Complete

    H&K Heckler & Koch

    $0.00
    HK German HK21E, 23E Stock Complete The latest manufacture and no longer in production or offered by HK Germany. 
    HKP-00575
    $0.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • New - H&K 11/21E/23E Bipod - Surplus - HKP-00565 HK11, HK21, HK23 Bipod - Surplus
    Add to Cart

    HK11, HK21, HK23 Bipod - Surplus

    H&K Heckler & Koch

    $447.95
    Heckler and Koch Bipod for HK11, HK21, HK23 German HK bipod for the HK21 series light machine gun system. This is the original, older-style HK21 bipod sourced from military surplus. These units are no longer in production and available only in limited...
    HKP-00565
    $447.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $447.95
    Subtotal:
  • New - H&K 21E/11E/PSG1/MSG90 Firing Pin - HKP-01758 HK21E, HK11E, PSG1, MSG90 Firing Pin
    Add to Cart

    HK21E, HK11E, PSG1, MSG90 Firing Pin

    H&K Heckler & Koch

    $119.95
    HK German 21E, 11E, PSG1, & MSG90 Firing Pin New HK genuine German firing pin. These firing pins are no longer in production from HK.  We have a limited number available and once they are gone, they are gone for good. Compatible With: HK...
    HKP-01758
    $119.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $119.95
    Subtotal:
  • Out Of Stock
    New - MM HK PSG1/MSG90/91/G3 (7.62x51/.308) T-Rail Reinforcement Set For Receiver - HKP-00236

    HK91, G3, PSG1, MSG90 T-Rail Reinforcement Set for Receiver

    Michaels Machines

    $299.95
    HK Receiver Reinforcement T-Rail Set For Left and Right Sides T-rails are used to strengthen HK receivers or for custom builds. These are the finest T-rails available on the market. Made from enhanced steel and perfect for that custom HK project...
    HKP-00236
    $299.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $299.95
    Subtotal:
  • Out Of Stock
    New - H&K 91/G3 (7.62x51/.308) Magazine Loader - HKP-00221 HK91, G3 Magazine Loader

    HK91, G3 Magazine Loader

    H&K Heckler & Koch

    $0.00
    HK Factory Loader for HK 91/G3 Magazines   Compatible With: HK 91 magazines HK G3 magazines PTR-91 Magazines HK PSG1 magazines HK MSG-90 magazines HK 90 series 308 magazines
    HKP-00221
    $0.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • New - HK91, G3, PTR Folding Stock - HKP-00516 HK91, G3, PTR Folding Stock
    Add to Cart

    HK91, G3, PTR Folding Stock

    Choate

    $144.95
    HK 91, G3, PTR Side Folding Stock No gunsmith is needed as this is an easy install using your hardware from your existing fixed A2 stock. This counts as one US-made compliant part. Compatible With: HK91 G3 PTR91  Also fits HK93 and 33-style rifles...
    HKP-00516
    $144.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $144.95
    Subtotal:
  • New - H&K 91/G3 (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin - HKP-17823 HK91, G3 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin
    Add to Cart

    HK91, G3 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin

    H&K Heckler & Koch

    $459.95
    H&K 91/G3 (7.62x51/.308) 4 Position (0,1,3,F Pictogram) Trigger Housing - Push Pin This authentic German HK trigger housing features a 4 position pictogram (0,1,3,F) and is designed for push pin style G3 or Zenith firearms. It is configured for use...
    HKP-17823
    $459.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $459.95
    Subtotal:
  • Out Of Stock
    New - PTR HK 91/G3 (7.62x51/.308) Slimline Forearm - HKP-16251 HK91, G3 Slimline Handguard

    HK91, G3 Slimline Handguard

    PTR

    $39.95
    New Slim Line HK91, G3, PTR Forearm- US Each forearm is a new US made offering made on the original HK tooling acquired by PTR91. Black in color, no internal heat shield. This hand guard also counts as 1 desirable US compliant part for your HK 91, G3...
    HKP-16251
    $39.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $39.95
    Subtotal:
  • On Sale
    New - HK MP5K .40 S&W 3-Lug Barrel Thread Protector - Threaded 9/16x24 - HKP-02318 HK MP5K Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug
    Add to Cart

    HK MP5K Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug

    HKP HK Parts

    Now: $199.95
    Was: $299.95
    HK MP5K .40 S&W 3-Lug Barrel with Thread Protector - Threaded 9/16x24 3-lugged Barrel with a 9/16x24 thread protector.  Specifications: 3-lugged barrel Includes 9/16x24 thread protector Compatible With: HK MP5K .40 S&W
    HKP-02318
    Now: $199.95
    Was: $299.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $199.95
    Was: $299.95
    Subtotal:
  • New - RCM MP5 40/10 Full Auto Bolt Carrier - HKP-01192 HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm, .357 SIG
    Add to Cart

    HK MP5 Bolt Carrier - Full Auto - .40 S&W, 10mm, .357 SIG

    RCM

    $157.95
    MP5 40, 10mm - Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and are Tungsten filled and heat treated providing the finest American made carrier available. Compatible With: MP5 40 MP5...
    HKP-01192
    $157.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $157.95
    Subtotal:
  • New - H&K MP5 40/10 3 Position Navy Trigger Group - HKP-00448 HK MP5 Trigger Group - Navy 3 Position - .40 S&W, 10mm
    Add to Cart

    HK MP5 Trigger Group - Navy 3 Position - .40 S&W, 10mm

    H&K Heckler & Koch

    $2,499.95
    HK German MP5 40/10/ 3 Position Navy (0,1,F) Trigger Group This Trigger Group Is A Factory Push Pin Safe, Semi, Full Navy Ambidextrous 3 Position Trigger Group For Registered Push Pin MP5's. This Trigger Group Can Also Be Used For Registered Sear...
    HKP-00448
    $2,499.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,499.95
    Subtotal:
  • Total: items /

Adding your products to cart