MP5 / SP5 Series

MP5 / SP5 Series

Discover the ultimate selection of MP5 and SP5 parts and accessories for your H&K firearms. Whether you're upgrading, building, or maintaining your MP5/SP5, we offer premium H&K components like handguards, barrels, magazines, and bolt carrier groups. Shop HK Parts for unmatched reliability and performance for all your MP5/SP5 needs.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • New - H&K HK MP5 9mm Complete Full Auto Bolt Group - HKP-21478 HK MP5 Bolt Group - 9mm - Full Auto - Complete
    Add to Cart

    HK MP5 Bolt Group - 9mm - Full Auto - Complete

    H&K Heckler & Koch

    $2,874.95
    H&K HK MP5 9mm Complete Full Auto Bolt Group This is a factory genuine HK German full auto bolt group compiled with the best German parts available for  those that need the best parts on their beloved MP5. Last call on these as they are NLA and...
    HKP-21478
    $2,874.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $2,874.95
    Subtotal:
  • Out Of Stock
    New - RCM HK MP5 10mm Barrel - Threaded 9/16x24 - HKP-21158 HK MP5 Barrel - 10mm - Threaded 9/16x24 with 3 Lug

    HK MP5 Barrel - 10mm - Threaded 9/16x24 with 3 Lug

    RCM

    $279.95
    RCM HK MP5 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5 with the RCM HK MP5 10mm Barrel. This barrel is precision engineered for superior accuracy and durability. This barrel features a 9/16x24 thread and includes a thread protector...
    HKP-21158
    $279.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $279.95
    Subtotal:
  • New - RCM HK MP5 10mm Barrel - Threaded 14x.75 - HKP-21156 HK MP5 Barrel - 10mm - Threaded 14x.75 with 3 Lug
    Add to Cart

    HK MP5 Barrel - 10mm - Threaded 14x.75 with 3 Lug

    RCM

    $279.95
    RCM HK MP5 10mm Barrel - Threaded 14x.75 Enhance your MP5 with the RCM HK MP5 10mm Barrel, featuring precise 14x.75 threading. Expertly crafted for German MP5 models, this barrel ensures superior durability and performance. Ideal for both custom builds...
    HKP-21156
    $279.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $279.95
    Subtotal:
  • New - Lee Sporting LS5 HK MP5 Complete Trigger Group Push Pin - HKP-20467 Lee Sporting LS5 HK MP5 Complete Trigger Group Push Pin
    Add to Cart

    Lee Sporting LS5 HK MP5 Complete Trigger Group Push Pin

    Lee Sporting

    $549.95
    Lee Sporting LS5 Complete Trigger Group - MP5 Push Pin The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger group is...
    HKP-20467
    $549.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $549.95
    Subtotal:
  • Out Of Stock
    New - Trijicon RMR/SRO 45° Rail Offset Adapter - HKP-20336 RMR,SRO Adapter - 45° - Rail Offset

    RMR,SRO Adapter - 45° - Rail Offset

    USA

    $91.45
    Trijicon RMR/SRO 45° Rail Offset Adapter Perfect for that situation where you need the versatility of a magnified optic paired with a Trijicon RMR or SRO red dot sight in close quarters. This offset rail adapter attaches to the firearm's picatinny...
    HKP-20336
    $91.45
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $91.45
    Subtotal:
  • New - RCM MP5 40/10 Extractor - HKP-01969 HK MP5 Extractor - 10mm / .40 S&W
    Add to Cart

    HK MP5 Extractor - 10mm / .40 S&W

    RCM

    $34.95
    MP5 40 & 10mm Extractor - US Made This part is made to the exact same specs as the HK German extractor final polish included. It is also a great upgrade for the clone CA and Vector builds.
    HKP-01969
    $34.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $34.95
    Subtotal:
  • New - HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug - HKP-16402 HK MP5 Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug
    Add to Cart

    HK MP5 Barrel - .40 S&W - Threaded 9/16x24 with 3 Lug

    HKP HK Parts

    $249.95
    HKP HK MP5 .40 S&W Barrel - Threaded 9/16x24 - 3-Lug Newly manufactured US Made MP5 .40 S&W barrel that is 3-lugged and threaded with matching thread protector. This is a barrel offering that is made to the highest standards and tolerances and...
    HKP-16402
    $249.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $249.95
    Subtotal:
  • Out Of Stock
    New - H&K MP5 A3 Retractable Stock Sling Attachment Bar- Weldable - HKP-17427 HK MP5 A3 Retractable Stock Sling Attachment Bar- Weldable

    HK MP5 A3 Retractable Stock Sling Attachment Bar- Weldable

    H&K Heckler & Koch

    $9.95
    HK MP5 A3 Retractable Stock Sling Bar This part offering is a factory German HK part new unpainted and ready to weld to your application. Can also be used for upgrading a non-ambi stock to an ambi stock by attaching the sling bar to the A3 stock...
    HKP-17427
    $9.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $9.95
    Subtotal:
  • New - B&T HK MP5 9mm Barrel - Threaded 1/2x32 - 3-Lug - HKP-17956 HK MP5 Barrel - 9mm - Threaded 1/2x32 with 3 Lug
    Add to Cart

    HK MP5 Barrel - 9mm - Threaded 1/2x32 with 3 Lug

    B&T Brugger & Thomet

    $449.95
    B&T HK MP5 9mm Barrel - Threaded 1/2x32 - 3-Lug New from B&T Switzerland, this cold hammer-forged (CHF) and nitrided barrel is manufactured to exact HK factory specifications exclusively for MP5 models. B&T, a trusted partner of H&K...
    HKP-17956
    $449.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $449.95
    Subtotal:
  • Flat Bending Jig Set For All HK Style Flats - RENTAL HKP HK Parts HKP-19595-RENTAL HK Receiver Flat Bending Set Jig - RENTAL
    Choose Options

    HK Receiver Flat Bending Set Jig - RENTAL

    HKP HK Parts

    $99.95
    Flat Bending Jig Set For All HK Style Receiver Flats - RENTAL Receiver flat bending jig RENTAL for all HK receiver flats.  Our rental jigs are crafted in the US from billeted steel and include the latest revisions with proper dowel spacing for the...
    HKP-19595-RENTAL
    $99.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • On Sale
    New - HK MP5K .357 Sig Barrel - 3 Lug - Threaded 1/2x32 - Gunsmith Special - HKP-99177 HK MP5K Barrel - .357 Sig - Threaded 1/2x32 with 3 Lug - Gunsmith Special
    Add to Cart

    HK MP5K Barrel - .357 Sig - Threaded 1/2x32 with 3 Lug - Gunsmith Special

    USA

    Now: $59.95
    Was: $289.95
    HK MP5K .357 Sig Barrel - 3 Lug - Threaded 1/2x32 - Gunsmith Special  Unfinished US-Made MP5K .357 Sig barrel. Please Note: Will require work before being functional. HKP recommends the work be performed by a professional gunsmith. Condition will...
    HKP-99177
    Now: $59.95
    Was: $289.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $59.95
    Was: $289.95
    Subtotal:
  • New - HKP HK MP5/K RMR / Holosun Picatinny Sight Mount - HKP-22068 Picatinny Sight Mount - RMR, Holosun
    Add to Cart

    Picatinny Sight Mount - RMR, Holosun

    HKP HK Parts

    $97.95
    HKP HK MP5/K RMR / Holosun Picatinny Sight Mount The HKP HK MP5/K RMR / Holosun Picatinny sight mount offers a secure, low-profile platform for RMR and Holosun optics. Compatible with any firearm featuring a Picatinny rail. It ensures solid mounting,...
    HKP-22068
    $97.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $97.95
    Subtotal:
  • Total: items /

Adding your products to cart