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 - 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:
  • Used - H&K (7.62/.308) & (5.56/.223) Flash Hider - 15x1 - Used - HKP-00717 H&K (7.62/.308) & (5.56/.223) Flash Hider - 15x1 - Used H&K Heckler & Koch HKP-00717
    Add to Cart

    HK33, HK53, HK93, HK91, HK G3 Flash Hider - Threaded 15x1 - Used

    H&K Heckler & Koch

    $15.95
    Heckler and Koch's Flash Hider - 15x1 RH - Used Used / surplus HK German flash hider threaded 15x1 RH.  Please inspect pictures to ascertain the average condition of these flash hiders. Compatible With: HK33 HK53 HK93 HK G3 HK91  
    HKP-00717
    $15.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $15.95
    Subtotal:
  • On Sale
    HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED
    Add to Cart

    HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED

    MKE

    Now: $34.95
    Was: $49.95
    HK MP5, MKE AP5 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 manufactured...
    HKP-99395
    Now: $34.95
    Was: $49.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $34.95
    Was: $49.95
    Subtotal:
  • HK MP5, MP5K, AP5, AP5-P Rear Sight Drum HK MP5, MP5K, AP5, AP5-P Rear Sight Drum
    Add to Cart

    HK MP5, MP5K, AP5, AP5-P Rear Sight Drum

    MKE

    $32.95
    MKE AP5, AP5-P, HK MP5, MP5K Rear Sight Drum This rear sight drum is manufactured by MKE for AP5 and AP5-P firearms and fits MP5 and MP5K pattern rifles and pistols. It is commonly used as an upgrade for clones that ship with G3-style rear sight bases...
    HKP-22490
    $32.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $32.95
    Subtotal:
  • HK MP5, AP5 30 Round Magazine Spring
    Add to Cart

    HK MP5, AP5 30 Round Magazine Spring

    MKE

    $5.95
    HK MP5 30 round magazine spring - Turkey The MP5 30-round spring is a must-have replacement spring for all HK MP5 curved magazines.  Compatible With: HK MP5 HK MP5K HK SP5 HK SP5K AP5  
    HKP-22473
    $5.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $5.95
    Subtotal:
  • HK MP5, MP5K Optic Mount - Optic, NV Laser - Picatinny, Aimpoint T-1, T-2, ACRO P-1, P-2 HK MP5, MP5K Optic Mount - Optic, NV Laser - Picatinny, Aimpoint T-1, T-2, ACRO P-1, P-2
    Choose Options

    HK MP5, MP5K Optic Mount - Optic, NV Laser - Picatinny, Aimpoint T-1, T-2, ACRO P-1, P-2

    MI Midwest Industries

    $174.95
    Midwest Industries HK MP5, MP5K Optic and IR, NV, Laser Mount for Aimpoint T-1/T-2 and Aimpoint ACRO Tall, clamp-on optic and laser mount for MP5 and MP5K pattern firearms. Allows you to run a micro red dot and an IR illuminator, and/or laser at the same...
    HKP-22393-M
    $174.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $174.95
    Subtotal:
  • On Sale
    HK AP5P/MP5K Recoil Rod Assembly MKE HKP-22389 HK AP5P/MP5K Recoil Rod Assembly MKE HKP-22389
    Add to Cart

    HK MP5K, AP5-P Recoil Rod Assembly

    MKE

    Now: $54.95
    Was: $64.95
    MKE HK AP5P/MP5K Recoil Rod Assembly The recoil spring assembly is a great item to have on hand for replacement and spares as this is a consumable wearable part.  Compatible With: HK SP5K/MP5K/SP89 Century Arms AP5-P/AP5-M Clones and other HK...
    HKP-22389
    Now: $54.95
    Was: $64.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $54.95
    Was: $64.95
    Subtotal:
  • On Sale
    HK G3 Metal Grip Frame - SEF - BLEMISHED HK G3 Metal Grip Frame - SEF - BLEMISHED
    Add to Cart

    HK G3 Metal Grip Frame - SEF - BLEMISHED

    H&K Heckler & Koch

    Now: $45.07
    Was: $189.95
    Heckler and Koch HK G3 SEF Metal Grip Frame - BLEMISHED VARYING CONDITION SHOWN IN PHOTOS - SOLD INDIVIDUALLY COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL...
    HKP-99341
    Now: $45.07
    Was: $189.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $45.07
    Was: $189.95
    Subtotal:
  • HK416, MR556, HK417, MR762 Handguard Locking Screw - A4 Style HK416, MR556, HK417, MR762 Handguard Locking Screw - A4 Style
    Add to Cart

    HK416, MR556, HK417, MR762 Handguard Locking Screw - A4 Style

    H&K Heckler & Koch

    $22.95
    HK416, MR556, HK417, MR762 - A4 - Handguard Locking Screw Replacement locking screw that secures the A4 handguard to the upper receiver.  Compatible With: HK HK416 A4 HK MR556 A4 HK HK417 A4 (2 required per handguard) HK MR762 A4 (2 required per...
    HKP-22304
    $22.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $22.95
    Subtotal:
  • RCM HK MP5K Recoil Rod HK MP5K Recoil Rod Assembly - 9mm
    Add to Cart

    HK MP5K Recoil Rod Assembly - 9mm

    RCM

    $54.95
    RCM HK MP5K Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5K NOT compatible with SP5K with the F-style recoil rod MP5K clones and...
    HKP-22203
    $54.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • New - H&K MR556 A4 13.4" Complete QD Handguard - Black - HKP-22184 HK MR556 A4 13.4" Complete QD Handguard
    Add to Cart

    HK MR556 A4 13.4" Complete QD Handguard

    H&K Heckler & Koch

    $499.95
    H&K MR556 A4 13.4" Complete QD Handguard Genuine H&K MR556 A4 quick detach handguard has a Picatinny rail at 12 o’clock, M-LOK slots at 3, 6, and 9 o’clock, and two QD sling swivel cups for ambidextrous sling attachment. It provides...
    HKP-22184
    $499.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $499.95
    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:
  • Total: items /

Adding your products to cart