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
  • Used - H&K G3/91 F/A Bolt Carrier - FMP - SURPLUS - HKP-22160 HK91, G3 Bolt Carrier - Full Auto - Surplus
    Choose Options

    HK91, G3 Bolt Carrier - Full Auto - Surplus

    H&K Heckler & Koch

    $129.95
    Surplus Full-Auto Steel Bolt Carrier for HK91, G3 Used full-auto steel bolt carrier for HK91 and G3 pattern rifles. Manufactured by HK, EBO, or FMP on original Heckler and Koch tooling. Individually Priced - One Unit Compatible With: HK91, G3 In-spec...
    HKP-22160-M
    $129.95
    Choose Options
    Qty in Cart: 0
    Quantity:
    Price:
    $129.95
    Subtotal:
  • Used - EBO HK G3, 91, PTR Bolt Head Complete - Used - HKP-21903 HK91, G3, PTR Bolt Head - Complete - Used
    Add to Cart

    HK91, G3, PTR Bolt Head - Complete - Used

    EBO

    $99.95
    EBO HK G3 & HK 91 & PTR Bolt Head Complete - Used Greek HK Contract Date Coded EBO bolt head is manufactured in Greece by Hellenic Arms Industry, utilizing HK tooling and prints. Since the 1980s, it has proven to be one of the best upgrades for...
    HKP-21903
    $99.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $99.95
    Subtotal:
  • New - H&K HK21E/23E Inner & Outer Buffer Compression Springs - HKP-21856 HK21E, HK23E Compression Springs - Inner Buffer, Outer Buffer
    Add to Cart

    HK21E, HK23E Compression Springs - Inner Buffer, Outer Buffer

    H&K Heckler & Koch

    $59.95
    H&K HK21E/23E Inner & Outer Buffer Compression Springs An unissued set of inner and outer buffer compression springs for your HK21E/23E buffer, sourced directly from HK Germany. Most HK21E/23E buffers in the U.S are first-generation, which use...
    HKP-21856
    $59.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $59.95
    Subtotal:
  • New - HKP HK MP5K .40/10 Picatinny Rail Brace/Stock Adapter - HKP-21833 HK MP5K Stock or Brace Adapter - .40 S&W, 10mm - Picatinny Rail
    Add to Cart

    HK MP5K Stock or Brace Adapter - .40 S&W, 10mm - Picatinny Rail

    HKP HK Parts

    $129.95
    HKP HK Parts Picatinny Rail Brace and Stock Adapter for HK MP5K .40, 10  Open your MP5K up to a vast range of brace and stock options with our Picatinny rail stock adapter.  Designed specifically for the MP5K 40 cal and 10mm platforms. ...
    HKP-21833
    $129.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $129.95
    Subtotal:
  • New - H&K HK G3 Front Sight Ring - HKP-21641
    Add to Cart

    HK G3 Front Sight Ring

    H&K Heckler & Koch

    $7.95
    H&K HK G3 Front Sight Ring Factory HK replacement front sight ring. Compatible With: HK G3
    HKP-21641
    $7.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $7.95
    Subtotal:
  • HK G3K, HK33K Flash Hider - 4 Prong - Open
HK G3K, HK33K Flash Hider - 4 Prong - Open
    Add to Cart

    HK G3K, HK33K Flash Hider - 4 Prong - Open

    RCM

    $187.95
    RCM HK G3K/HK33K Flash Hider - 4 Prong - Open The RCM G3K and HK33K flash hider can be welded to a 12.69" barrel to achieve a non-SBR OAL of 16 plus inches or add to any other configuration. Made in the US from ordnance grade steel and counts as 1 922r...
    HKP-21599
    $187.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $187.95
    Subtotal:
  • HK MP5K Parts Kit - .40 S&W - Pistol Build HK MP5K Parts Kit - .40 S&W - Pistol Build
    Add to Cart

    HK MP5K Parts Kit - .40 S&W - Pistol Build

    $1,829.95
    HKP MP5K .40 S&W Pistol Build Kit MP5K .40 complete pistol build kit. Featuring the latest in highest quality components for an unparalleled build. Equipped with a 9/16x24 3-lug threaded barrel to accept a wide variety of muzzle devices and...
    HKP-21534
    $1,829.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $1,829.95
    Subtotal:
  • New - B&T HK G36/SL8 Brass Catcher - HKP-21530 HK G36, SL8 Brass Catcher
    Add to Cart

    HK G36, SL8 Brass Catcher

    B&T Brugger & Thomet

    $284.95
    B&T HK G36 & SL8 Brass Catcher This brass catcher is expertly crafted for the HK G36. The B&T QD attachment system enables quick mounting and dismounting. For optimal compatibility, the G36 must be equipped with a B&T quad rail handguard...
    HKP-21530
    $284.95
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    $284.95
    Subtotal:
  • Out Of Stock
    New - H&K HK MR762 Factory Flash Hider - 15x1 RH - HKP-21481 HK MR762 Factory Flash Hider - 15x1 RH

    HK MR762 Factory Flash Hider - 15x1 RH

    H&K Heckler & Koch

    $54.95
    H&K HK MR762 Factory Flash Hider - 15x1 RH Factory flash hider with 15x1 right-hand threads. Perfect for completing a build or replacing a worn or missing part. Compatible With: HK MR762  
    HKP-21481
    $54.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $54.95
    Subtotal:
  • On Sale
    New - TPM Acorn Bolt Knob – Black - HKP-20902 Bolt Knob - Acorn
    Add to Cart

    Bolt Knob - Acorn

    Tactical Precision MFG

    Now: $19.95
    Was: $37.99
    TPM Acorn Bolt Knob These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle.  Specifications: Dimensions:1.5″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16x24
    HKP-20902
    Now: $19.95
    Was: $37.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $19.95
    Was: $37.99
    Subtotal:
  • On Sale
    New - TPM - Remington 700 - 30 MOA - Scope Base Long Action -Tungsten - HKP-20772 Remington 700 - 30 MOA - Scope Base Long Action -Tungsten
    Add to Cart

    Remington 700 - 30 MOA - Scope Base Long Action -Tungsten

    Tactical Precision MFG

    Now: $38.95
    Was: $76.99
    TPM Remington 700 Scope Base Long Action 30 MOA These tight tolerance, bomb proof scope rail allow the shooter to make best use of the scope's elevation adjustment for those long-range shots and engagements with 30 MOA options and will match factory...
    HKP-20772
    Now: $38.95
    Was: $76.99
    Add to Cart
    Qty in Cart: 0
    Quantity:
    Price:
    Now: $38.95
    Was: $76.99
    Subtotal:
  • Out Of Stock
    New - H&K HK 416 & HK MR556 Assembly Wrench Tool - HKP-20616 HK416, MR556 Assembly Wrench Tool

    HK416, MR556 Assembly Wrench Tool

    H&K Heckler & Koch

    $699.95
    H&K HK 416 & HK MR556 Assembly Wrench Tool Factory HK German multi-tool for the HK416 and MR556. The perfect tool for a complete breakdown. 
    HKP-20616
    $699.95
    Out Of Stock
    Qty in Cart: 0
    Quantity:
    Price:
    $699.95
    Subtotal:
  • Total: items /

Adding your products to cart