Parts

Parts

At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.

Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.

  • Product
  • Qty in Cart
  • Quantity
  • Price
  • Subtotal
  • On Sale
    New - H&K 9mm Thread Protector - Threaded 1/2x32 RH - HKP-00108
    Add to Cart

    HK MP5, SP5K Thread Protector - 9mm - 1/2x32 RH

    H&K Heckler & Koch

    Now: $32.95
    Was: $39.95
    H&K 9mm Thread Protector - Threaded 1/2x32 RH A great replacement item for lost or damaged thread protectors & caps. This part is compatible with all factory-spec MP5 Navy or MP5KN barrels. Specifications: Overall Length .610" Threaded 1/2x32...
    HKP-00108
    Now: $32.95
    Was: $39.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $32.95
    Was: $39.95
    Subtotal:
  • HK MP5, MP5K Optic Mount - Raised - Aimpoint ACRO, T1, T2 - Picatinny HK MP5, MP5K Optic Mount - Raised - Aimpoint ACRO, T1, T2 - Picatinny
    Choose Options

    HK MP5, MP5K Optic Mount - Raised - Aimpoint ACRO, T1, T2 - Picatinny

    MI Midwest Industries

    $104.95
    Midwest Industries HK MP5, MP5K Tall Optic Mount Tall, clamp-on optic mount for HK MP5 and MP5K pattern firearms, giving a higher, more upright sightline while still allowing use of the factory diopter sights. Ideal for mounting micro red dots with a...
    HKP-22396-M
    $104.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $104.95
    Subtotal:
  • New - HKP 9mm Vertical Slot Micro Comp - Threaded 1/2x28 RH - HKP-21814 HK VP9 Micro Comp - Vertical Slot - Threaded 1/2x28 - Right Hand
    Add to Cart

    HK VP9 Micro Comp - Vertical Slot - Threaded 1/2x28 - Right Hand

    HKP HK Parts

    $29.95
    HKP 9mm Vertical Slot Micro Comp - Threaded 1/2x28 RH The HK Parts micro comp & thread protector strikes a balance between a lightweight, minimalistic design and range functionality. The micro comp easily threads on to the end of any factory spec...
    HKP-21814
    $29.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $29.95
    Subtotal:
  • New - H&K HK MP5/MP5K 30 Round - LEO Marked Magazine - TiN Coated - HKP-21792 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked
    Choose Options

    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked

    H&K Heckler & Koch

    $159.95
    H&K HK MP5/MP5K 30 Round - LEO Marked Magazine - TiN/CRN Coated Elevate your collection with our TiN coated factory Heckler & Koch magazines. Each magazine begins as a new German 30-round 9mm mag that is expertly disassembled, TiN coated,...
    HKP-21792-M
    $159.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $159.95
    Subtotal:
  • Used - H&K SP5K Spec Only 9mm SEF Navy Style Housing - Clipped & Pinned - USED - HKP-20064 HK SP5K Spec Only 9mm SEF Navy Style Housing - Clipped and Pinned - USED
    Add to Cart

    HK SP5K Spec Only 9mm SEF Navy Style Housing - Clipped and Pinned - USED

    H&K Heckler & Koch

    $149.95
    H&K SP5K Spec Only 9mm SEF Navy Style Housing - Clipped & Pinned - USED Hand-selected for the highest quality, these "like new" H&K SP5K SEF style trigger housings have been meticulously clipped and pinned to fit the correct SP5K style shelf...
    HKP-20064
    $149.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $149.95
    Subtotal:
  • New - SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1 - HKP-19507 ASR AC233 Flash Hider - .30 CAL - Threaded 15x1
    Add to Cart

    ASR AC233 Flash Hider - .30 CAL - Threaded 15x1

    SilencerCo

    $92.95
    SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1 The SilencerCo ASR .30 Cal AC233 Flash Hider is designed for use with ASR (Active Spring Retention) mounts, providing a quick attach/detach system compatible with nearly all SilencerCo suppressors...
    HKP-19507
    $92.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $92.95
    Subtotal:
  • New - H&K VP9/VP9SK, HK VP40 Firing Pin w/ Striker - HKP-16833 HK VP9, VP9SK, VP40 Firing Pin with Striker
    Add to Cart

    HK VP9, VP9SK, VP40 Firing Pin with Striker

    H&K Heckler & Koch

    $59.95
    H&K VP9/VP9SK, HK VP40 Firing Pin w/ Striker New HK German factory firing pin that fits all models of VP series pistols. Compatible With: HK VP9, VP9 Tactical, VP9L, VP9 OR HK VP9SK VP40, VP40 Tactical
    HKP-16833
    $59.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $59.95
    Subtotal:
  • New - H&K HK Mark 23 Extractor - HKP-01408 HK Mark 23 Extractor
    Add to Cart

    HK Mark 23 Extractor

    H&K Heckler & Koch

    $79.95
    HK German Mark 23 SOCVOM Extractor New HK German manufacture. This item is no longer being made and is a great spare part to have on hand. Compatible With: Mark 23 SOCOM pistols
    HKP-01408
    $79.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $79.95
    Subtotal:
  • Out Of Stock
    New - Trijicon HK P2000/P2000SK HD Night Sight Set - Orange - HKP-14963

    HK P2000,P2000SK HD Night Sight Set - Orange

    Trijicon

    $154.99
    Trijicon HK P2000/P2000SK HD Night Sight Set - Orange The HD Night Sights were specifically created to address the needs of tactical shooters. The three-dot green tritium night sight set front sight features a taller blade and an aiming point...
    HKP-14963
    $154.99
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $154.99
    Subtotal:
  • New - H&K HK USP .45 ACP Complete Recoil Assembly - HKP-01161
    Add to Cart

    HK USP45 Recoil Assembly, Complete

    H&K Heckler & Koch

    $99.95
    Heckler and Koch .45 ACP Complete Recoil Assembly for HK USP New HK German manufacture. Compatible With: USP Full Size Pistol USP Expert USP Elite
    HKP-01161
    $99.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • New - H&K 31 Round HK USP 9mm Tactical Magazine - HKP-00302-M HK USP Tactical Magazine - 9mm - 31 Round
    Choose Options

    HK USP Tactical Magazine - 9mm - 31 Round

    H&K Heckler & Koch

    $149.00
    H&K 31 Round HK USP 9mm Tactical Magazine  HK German manufactured for the USP 9mm full-size pistol. Holds 31 rounds of 9mm ammunition.  Compatible With: HK USP 9mm full-size Variants HK USP .40 (reduced capacity vs 9mm) Will NOT work in...
    HKP-00302-M
    $149.00
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $149.00
    Subtotal:
  • New - H&K HK 93/53/33 (5.56/.223) 30 Round Magazine Spring - HKP-14411
    Add to Cart

    HK33, HK53, HK93 Magazine Spring - 30 Round

    H&K Heckler & Koch

    $8.45
    HK 93,33, & 53 Magazine Replacement Spring For Steel German HK 30-Round Magazines This is a hard-to-find and must-have spare part for your HK high-capacity mags. Please Note: Although not factory correct, these springs will work in the 25-round HK 93...
    HKP-14411
    $8.45
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $8.45
    Subtotal:
  • Total: items /

Adding your products to cart