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
    New - MI HK93/33 M-LOK Handguard - Black - HKP-18440 HK33, HK93 Handguard - M-LOK

    HK33, HK93 Handguard - M-LOK

    MI Midwest Industries

    $175.95
    MI HK93/33 M-LOK Handguard Brand new Midwest Industries M-LOK handguard for your HK93, HK33, G3K or similar clone. This is also the correct forearm to use on PTR models that use a shorter 9" length or carbine length forearm. Features: Made in the USA,...
    HKP-18440
    $175.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $175.95
    Subtotal:
  • New - H&K HK MP7 Compression Spring - HKP-16782
    Add to Cart

    HK MP7 Compression Spring

    H&K Heckler & Koch

    $5.95
    H&K HK MP7 Compression Spring
    HKP-16782
    $5.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    Subtotal:
  • New - HK G36/SL8 (5.56/.223) Bolt Head Ejector Pin - HKP-18372 HK G36, SL8 Bolt Head Ejector Pin
    Add to Cart

    HK G36, SL8 Bolt Head Ejector Pin

    $6.95
    HK G36/SL8 (5.56/.223) Bolt Head Ejector Pin HK Ejector roll pin for G36, SL8 bolt heads. This item is the pin that holds the ejector & ejector spring in place. A common wear & replacement item and a must have when doing bolt head maintenance...
    HKP-18372
    $6.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $6.95
    Subtotal:
  • New - HKP MP5 40/10 Bolt Hold Open Weldment Set Complete - HKP-17648
    Add to Cart

    HK MP5 Weldment Set - .40 S&W, 10mm

    HKP HK Parts

    $189.95
    HKP MP5 40/10 Bolt Hold Open Weldment Set Complete Not offered or available anywhere else. This is the correct weldment set for the MP5 40/10 BHO components. 
    HKP-17648
    $189.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $189.95
    Subtotal:
  • New - H&K MP5K/SP89/SP5K 9mm Rear Sight Drum - HKP-01110
    Add to Cart

    HK MP5K, SP89, SP5K Rear Sight Drum - 9mm

    H&K Heckler & Koch

    $79.95
    HK German MP5K, SP89 and SP5K Factory Rear Sight Drum New factory correct German HK MP5K, SP89, and SP5K rear sight drum. Compatible With: MP5K SP89 SP5K Other custom builds or clones Please Note: Many shooters prefer to upgrade to the MP5 rear...
    HKP-01110
    $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • New - RCM HK MP5 9mm Barrel - Non-Threaded 3-Lug - HKP-02040 HK MP5 Barrel - 9mm - 8.85" - 3 Lug
    Add to Cart

    HK MP5 Barrel - 9mm - 8.85" - 3 Lug

    RCM

    $149.95
    RCM HK MP5 9mm Barrel - Non-Threaded 3-Lug Made from Cold Hammer Forged (CHF) steel, each high-quality barrel is processed with a durable nitride finish, similar to the treatment used by Sig Sauer. Precision-milled to the latest specifications with...
    HKP-02040
    $149.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • New - HKP MP5, MP5K Rear Sight Base - HKP-02450 HK MP5, MP5K Rear Sight Base
    Add to Cart

    HK MP5, MP5K Rear Sight Base

    HKP HK Parts

    $19.95
    HKP HK Parts Rear Sight Base - Weldment for HK MP5 and HK MP5K The only factory-correct sight base with the factory HK German side axis grooves.  Compatible With: MP5, MP5K SP89, HK94 MP5 40, MP5 10 MAC-5 clones may require custom fitment...
    HKP-02450
    $19.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $19.95
    Subtotal:
  • HK417, MR762 Upper Receiver Rod Tool HK417, MR762 Upper Receiver Rod Tool
    Add to Cart

    HK417, MR762 Upper Receiver Rod Tool

    MI Midwest Industries

    $159.95
    Midwest Industries Upper Receiver Rod Tool for HK417, MR762 Receiver support rod for HK417 and MR762 upper receivers. Designed to prevent receiver and index-pin damage during barrel nut removal, muzzle device installation, and other high-torque...
    HKP-22353
    $159.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • On Sale
    Refurbished - HK91, G3 7.62x51 / .308 15 Round Steel Magazine - Refinished - BLEMISHED - HKP-21922-B HK91, G3 Magazine - 15 Round - Refinished, BLEMISHED
    Add to Cart

    HK91, G3 Magazine - 15 Round - Refinished, BLEMISHED

    H&K Heckler & Koch

    Now: $44.95
    Was: $84.95
    Heckler and Koch 15 Round Steel Magazine, Refinished and marked BLEMISHED, for HK91, G3 7.62x51 / .308  MAGAZINE BODIES HAVE PITTING - CONDITION MAY VARY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR...
    HKP-21922-B
    Now: $44.95
    Was: $84.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $44.95
    Was: $84.95
    Subtotal:
  • New - H&K MR556/416/MR762/417 A7 Adaptive Battle Grip w/ Tool - RAL8000 - HKP-21963 HK416, MR556, HK417, MR762 Pistol Grip - Tool Included - RAL8000
    Add to Cart

    HK416, MR556, HK417, MR762 Pistol Grip - Tool Included - RAL8000

    H&K Heckler & Koch

    $149.95
    HK Heckler and Koch Adaptive Pistol Grip with tool in RAL8000. Factory German adaptive pistol grip in RAL8000. Originally used on the HK416 A7, this grip fits a variety of H&K platforms. Compatible With: HK MR556 A1 HK MR556 A4 HK416 HK MR762...
    HKP-21963
    $149.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • On Sale
    New - HKP HK MP5 40/10 Dual Magazine Clamp - HKP-21614-M HK MP5 Dual Magazine Clamp - 10mm, .40 S&W
    Choose Options

    HK MP5 Dual Magazine Clamp - 10mm, .40 S&W

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK MP5 40/10 Dual Magazine Clamp The HK Parts MP5 40/10 dual magazine clamp is expertly crafted to fit all 40/10 MP5 polymer magazines. Constructed from durable aluminum and finished with a type 3 hard anodize for enhanced protection and a premium...
    HKP-21614-M
    Now: $39.96
    Was: $49.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $39.96
    Was: $49.95
    Subtotal:
  • New - HK MP5K Buffer Replacement - HKP-21041 - Choate
    Add to Cart

    HK MP5K, SP5K Buffer Replacement - Choate Stocks

    Choate

    $20.95
    HK MP5K & SP5K Buffer Replacement - Choate Stocks Choate factory replacement buffer kit for Choate MP5K and SP5K stocks only.
    HKP-21041
    $20.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $20.95
    Subtotal:
  • Total: items /

Adding your products to cart