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
  • Out Of Stock
    Used - H&K MP5 4 Position Burst Trigger Group 0,1,3,F - USED - HKP-02610

    HK MP5 4 Position Burst Trigger Group 0,1,3,F - USED

    H&K Heckler & Koch

    $2,599.95
    H&K MP5 4 Position Burst Trigger Group 0,1,3,F - USED HK German 4 Position 3 Round Burst Trigger Group – complete and ready for use. This is a high-quality, fully functional trigger group featuring a versatile 4 Position Burst (0, 1, 3, F)...
    HKP-02610
    $2,599.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $2,599.95
    Subtotal:
  • New - H&K MP5 3 Position Navy T/G 0,1,Full With ESSL - HKP-00159 HK MP5 Navy Trigger Group - 3 Position (0,1,Full) - With ESSL
    Add to Cart

    HK MP5 Navy Trigger Group - 3 Position (0,1,Full) - With ESSL

    H&K Heckler & Koch

    $2,549.95
    HK MP5 3 Position Navy T/G (0, 1, Full) With Extended Safety Selector Lever New factory German complete trigger group with the left side extended lever. No longer available and just a few units remaining. Compatible With:  HK MP5
    HKP-00159
    $2,549.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,549.95
    Subtotal:
  • On Sale
    HK MP5K, MKE AP5-P Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED HK MP5K, MKE AP5-P Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED
    Add to Cart

    HK MP5K, MKE AP5-P Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED

    MKE

    Now: $34.95
    Was: $49.95
    HK MP5K, MKE AP5-P Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This contoured trigger housing is...
    HKP-99396
    Now: $34.95
    Was: $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $34.95
    Was: $49.95
    Subtotal:
  • HK91, G3 Trunnion - New Old Stock HK91, G3 Trunnion - New Old Stock
    Add to Cart

    HK91, G3 Trunnion - New Old Stock

    H&K Heckler & Koch

    $79.95
    Heckler and Koch Trunnion for HK91, G3 - New Old Stock Original Heckler and Koch trunnion for HK91 and G3 rifles. This is a new old stock, original-production component from older HK manufacturing runs and has not been previously installed. Ideal for...
    HKP-99363
    $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • HK MP5K, AP5-P Rear Sight Drum HK MP5K, AP5-P Rear Sight Drum
    Add to Cart

    HK MP5K, AP5-P Rear Sight Drum

    MKE

    $28.95
    MKE MP5K & AP5-P Rear Sight Drum Factory MKE manufactured rear sight drum for the Century AP5-P.   Compatible With: HK MP5K Century AP5-P, AP5-M HK SP89 HK SP5K In-spec clones and custom builds
    HKP-22480
    $28.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $28.95
    Subtotal:
  • HK UMP Apparel - Hats, Patches, and Shirts HK UMP Apparel - Hats, Patches, and Shirts
    Choose Options

    HK UMP Apparel - Hats, Patches, and Shirts

    HKP HK Parts

    $0.00
    HKP HK UMP Apparel and Patch Collection  Represent your platform with the HK Parts UMP Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22459-M
    $0.00
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $0.00
    Subtotal:
  • On Sale
    HK416, MR556 Handguard - A4 Style - 10" - USED HK416, MR556 Handguard - A4 Style - 10" - USED
    Add to Cart

    HK416, MR556 Handguard - A4 Style - 10" - USED

    H&K Heckler & Koch

    Now: $379.95
    Was: $479.95
    H&K HK416, MR556 A4 10" Quick Disconnect Handguard Factory HK A4 handguard featuring HK's A4 quick disconnect latch.  Compatible with A1 and A4 rifles. THESE HANDGUARDS ARE SLIGHTLY USED AND WILL HAVE COSMETIC BLEMISHES.  PLEASE REFER TO...
    HKP-22426-USED
    Now: $379.95
    Was: $479.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $379.95
    Was: $479.95
    Subtotal:
  • On Sale
    HK91, G3, MSG90 Magazine - 5 Round - Black - BLEMISHED HKP HK Parts HKP-16250-BL-B HK91, G3, MSG90 Magazine - 5 Round - Black - BLEMISHED HKP HK Parts HKP-16250-BL-B
    Add to Cart

    HK MP5, HK91, G3, PTR Magazine - 5 Round - Black - BLEMISHED

    HKP HK Parts

    Now: $44.97
    Was: $79.95
    HK91, G3, MSG90 Magazine - 5 Round - Black - BLEMISHED PITTING COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. 5 Round German Steel 308 Magazine With US Made...
    HKP-16250-BL-B
    Now: $44.97
    Was: $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $44.97
    Was: $79.95
    Subtotal:
  • HK MP5K, SP5K ACR Folding Stock with Stock or Brace Adapter - Picatinny HK MP5K, SP5K ACR Folding Stock with Stock or Brace Adapter - Picatinny
    Choose Options

    HK MP5K, SP5K ACR Folding Stock with Stock or Brace Adapter - Picatinny

    F5 MFG

    $324.95
    HK MP5K, SP5K ACR Folding Stock w/Adapter - Picatinny The HKP picatinny end cap with the F5 ACR stock allows users to easily swap this, and other stocks, between their K and other platforms.  This drop-in ready assembly attaches with the K's two...
    HKP-22351-M
    $324.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $324.95
    Subtotal:
  • HK G36 ACR Folding Stock - Picatinny Adapter HK G36 ACR Folding Stock - Picatinny Adapter
    Add to Cart

    HK G36 ACR Folding Stock - Picatinny Adapter

    HKP HK Parts

    $359.95
    HK G36 ACR Folding Stock w/Picatinny Adapter Add the iconic look and renowned functionality of the ACR stock to your G36 with our adapter and stock combo. The universal Picatinny adapter allows the user to swap the F5 ACR stock to other firearms and...
    HKP-22331
    $359.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $359.95
    Subtotal:
  • HK MP5 Trigger Group with AC-Unity Grip Conversion Kit HKP HK Parts HKP-22321 HK MP5 Trigger Group with AC-Unity Grip Conversion Kit HKP HK Parts HKP-22321
    Add to Cart

    HK MP5 Metal Trigger Housing Conversion Kit - AC Unity Grip

    HKP HK Parts

    $189.95
    HK MP5 Metal Trigger Housing Conversion Kit - AC Unity Grip This kit includes everything you need to convert a polymer MP5 trigger group a robust metal housing. Simply use your existing semi-auto SEF trigger pack to complete the conversion. This...
    HKP-22321
    $189.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • Used - H&K 90 Series F/A Trigger Box - SEF- USED - HKP-22156 HK90 Series Trigger Box - Full Auto SEF- USED
    Add to Cart

    HK90 Series Trigger Box - Full Auto SEF- USED

    H&K Heckler & Koch

    $89.95
    H&K 90 Series F/A Trigger Box - SEF- USED UNIT QUALITY MAY VARY - SEE PHOTOS FOR EXAMPLE OF CONDITION RANGE Used genuine H&K full-auto trigger box for 90 series firearms. Controls fire selector function and houses fire control component. Fits all...
    HKP-22156
    $89.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $89.95
    Subtotal:
  • Total: items /

Adding your products to cart