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 - MKE Century Arms AP51 A3 Retractable Stock - HKP-21926 Century Arms AP51 Retractable Stock - A3
    Add to Cart

    Century Arms AP51 Retractable Stock - A3

    MKE

    $449.95
    MKE Century Arms AP51 A3 Retractable Stock Factory new MKE stock professionally converted to fit the AP51 rifles and pistols. This AP51 stock was modified to the correct length recoil rod to make it a true drop in stock. Only offered here at HK Parts...
    HKP-21926
    $449.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $449.95
    Subtotal:
  • On Sale
    New - Case of 55 Turkish Contract 30 Round MP5 Magazine - HKP-21889 Case of 55 Turkish Contract 30 Round MP5 Magazine
    Add to Cart

    Case of 55 Turkish Contract 30 Round MP5 Magazine

    Now: $1,096.95
    Was: $1,482.25
    55 Count Case of Turkish Contract 30 Round MP5 Magazine These Turkish military contract 30 round MP5 magazines are leftover "seconds" that HKP recently imported directly from Turkey.  The magazines were manufactured by a Turkish contractor similar...
    HKP-21889
    Now: $1,096.95
    Was: $1,482.25
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $1,096.95
    Was: $1,482.25
    Subtotal:
  • Out Of Stock
    New - H&K HK 417 M110A1 G28 SDMR Stock - RAL 8K - HKP-21675 HK417 Stock - M110A1 G28 SDMR - RAL8000

    HK417 Stock - M110A1 G28 SDMR - RAL8000

    H&K Heckler & Koch

    $489.95
    H&K HK 417 M110A1 G28 SDMR Stock - RAL 8K This exceptional stock is the definitive choice for your M110A1, G28 SDMR clone, or any custom build! With its HK E1 Mil-Spec style design, it delivers unmatched quality and performance. The highly...
    HKP-21675
    $489.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $489.95
    Subtotal:
  • New - Aimpoint ACRO / NANO 22mm Picatinny QD Mount - HKP-21728 Picatinny Optic Mount - Low Profile - ACRO, NANO
    Add to Cart

    Picatinny Optic Mount - Low Profile - ACRO, NANO

    B&T Brugger & Thomet

    $115.00
    B&T Brugger and Thomet Aimpoint ACRO / NANO 22mm Low Mount The B&T ACRO NANO optic mount is a universal QD mount for any firearm featuring a Picatinny top rail.  Keep your optic profile compact with this Swiss made mount. Compatible...
    HKP-21728
    $115.00
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $115.00
    Subtotal:
  • New - HKP (5.56/.223) A5 Flash Hider - Threaded 1/2x28 - HKP-21342 HKP (5.56/.223) A5 Flash Hider - Threaded 1/2x28
    Add to Cart

    HKP (5.56/.223) A5 Flash Hider - Threaded 1/2x28

    HKP HK Parts

    $59.95
    HKP (5.56/.223) HK 416C A5 Flash Hider - Threaded 1/2x28 Made from ordnance grade steel, heat treated, and melonited (nitride process) for maximum longevity. Machined correctly to reduce tuning fork noise for a more pleasant time at the range. This is...
    HKP-21342
    $59.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $59.95
    Subtotal:
  • New - HKP HK UMP & HK USC Extended Top Rail For Optics - HKP-21048 HK UMP, USC Top Rail - Extended - Optics
    Add to Cart

    HK UMP, USC Top Rail - Extended - Optics

    HKP HK Parts

    $59.95
    HKP HK UMP & HK USC Extended Top Rail For Optics Nearly an 1" longer than the standard length top rail for mounting any Picatinny mount optic.  Made in the USA from 6061 aluminum and hard coat anodize in a beutiful black finish. 
    HKP-21048
    $59.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $59.95
    Subtotal:
  • Out Of Stock
    New - HKP HK 416C 9" Complete Upper Receiver Assembly - HKP-21042 HK416C Upper Receiver Kit - 9"

    HK416C Upper Receiver Kit - 9"

    HKP HK Parts

    $2,799.95
    HK416C Complete Upper Kit - 9"  Our complete 416C upper kit includes everything you need to pair with a mil-spec lower or an STS 416C lower. For that genuine look, the STS 416C lower with the correct 416C stock eyelets is as good as you can get...
    HKP-21042
    $2,799.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $2,799.95
    Subtotal:
  • Out Of Stock
    On Sale
    New - B&T TP9/MP9 Camo Holster - Swiss Military - HKP-20980 B&T TP9, MP9 Holster - Camo - Swiss Military

    B&T TP9, MP9 Holster - Camo - Swiss Military

    B&T Brugger & Thomet

    Now: $74.95
    Was: $125.00
    B&T TP9/MP9 Camo Holster - Swiss Military The B&T TP9 tactical leg holster is perfect for your TP9 or MP9 Pistol. This drop leg holster is fully adjustable both up and down and tightness around the leg. If you're looking for a tactical holster...
    HKP-20980
    Now: $74.95
    Was: $125.00
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $74.95
    Was: $125.00
    Subtotal:
  • On Sale
    New - TPM Ruger Bolt Shroud - Bronze - HKP-20905 Ruger 10/22 Bolt Shroud - Bronze
    Add to Cart

    Ruger 10/22 Bolt Shroud - Bronze

    Tactical Precision MFG

    Now: $27.95
    Was: $66.99
    Tactical Precision MFG Ruger 10/22 Bronze Bolt Shroud  This Ruger American rifle bolt shroud is hands down the best RAR bolt shroud on the market. Each bolt shroud is made in house on a five-axis Swiss lathe to exacting tolerances out of grade 5...
    HKP-20905
    Now: $27.95
    Was: $66.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $27.95
    Was: $66.99
    Subtotal:
  • On Sale
    New - Top Rail - HK USC / UMP - HKP-20744 HK USC , UMP Top Rail
    Add to Cart

    HK USC , UMP Top Rail

    Other

    Now: $99.95
    Was: $149.95
    Top Rail - HK USC / UMP TommyBuilt anodized aluminum high rise top rail.  Includes mounting hardware. Compatible With: HK UMP HK USC TMP UMP clone
    HKP-20744
    Now: $99.95
    Was: $149.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $99.95
    Was: $149.95
    Subtotal:
  • New - HKP MP5 9mm Titanium Flash Hider - 3-Lug - HKP-20223 HK MP5, MP5K Flash Hider - 3-Lug - Titanium - 9mm
    Add to Cart

    HK MP5, MP5K Flash Hider - 3-Lug - Titanium - 9mm

    HKP HK Parts

    $139.95
    HKP MP5 9mm Titanium Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found...
    HKP-20223
    $139.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $139.95
    Subtotal:
  • New - HKP HK USC, HK UMP Cocking Handle Assembly - HKP-19155
    Add to Cart

    HK USC, UMP Cocking Handle Assembly - Complete

    HKP HK Parts

    $149.95
    HKP Cocking Handle Assembly for HK USC, UMP Complete cocking handle assembly for HK USC and HK UMP platforms. US-made and built to factory-spec dimensions and includes all required components for proper function and replacement. Includes: Steel cocking...
    HKP-19155
    $149.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • Total: items /

Adding your products to cart