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.

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  • On Sale
    HK Cocking Tube End Cap - Dust Cap - BLEMISHED HK MP5, HK91, G3, HK33 Cocking Tube End Cap - Incomplete - BLEMISHED
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    HK MP5, HK91, G3, HK33 Cocking Tube End Cap - Incomplete - BLEMISHED

    H&K Heckler & Koch

    Now: $21.95
    Was: $39.95
    H&K Cocking Tube End Cap/Dust Cap - BLEMISHED SOLD INDIVIDUALLY - VARYING CONDITION SHOWN INCOMPLETE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This part...
    HKP-00099-B
    Now: $21.95
    Was: $39.95
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    Now: $21.95
    Was: $39.95
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  • New - HKP HK MP5K 40/10 Brace/Stock Adapter - HKP-21869 HK MP5K Stock or Brace Adapter - .40 S&W, 10mm
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    HK MP5K Stock or Brace Adapter - .40 S&W, 10mm

    HKP HK Parts

    $113.95
    HKP HK Parts .40S&W and 10mm Brace and Stock Adapter for HK MP5K Easily attach your favorite A2 style stock to your MP5K 40, 10 with this durable, precision-engineered adapter. Made in the US and available exclusively at HK Parts.  Compatible...
    HKP-21869
    $113.95
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    $113.95
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  • New - SEE NOTES H&K MP5 Ambidextrous Trigger Pack Housing SEE NOTES - HKP-21868 HK MP5, HK90 Series Trigger Pack Housing - Ambi- Semi-Auto
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    HK MP5, HK90 Series Trigger Pack Housing - Ambi- Semi-Auto

    HKP HK Parts / Heckler & Koch

    $248.95
    H&K 90 series Ambidextrous Trigger Pack Housing - Semi-Auto This German-made steel trigger pack housing is designed for ambidextrous trigger packs and selector levers. It starts as a factory F/A trigger pack, then is converted to semi-auto and coated...
    HKP-21868
    $248.95
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    $248.95
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  • New - HKP HK MP5 9mm Receiver Flat w/o Sling Clip - HKP-21828 HK MP5 Receiver Flat - 9mm - no Sling Clip
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    HK MP5 Receiver Flat - 9mm - no Sling Clip

    HKP HK Parts

    $189.95
    HKP HK MP5 9mm Receiver Flat w/o Sling Clip The MP5 9mm receiver flat serves as the foundation for custom MP5 builds. This version does not include a sling clip cutout, offering flexibility for customization. Precision-engineered for compatibility with...
    HKP-21828
    $189.95
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    $189.95
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  • On Sale
    HK11, HK21E, HK23E Bipod - USED HK11, HK21E, HK23E Bipod - USED
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    HK11, HK21E, HK23E Bipod - USED

    H&K Heckler & Koch

    Now: $138.95
    Was: $447.95
    HK11, HK21E, HK23E Bipod - USED ONLY 1 UNIT AVAILABLE - AS PICTURED BROKEN BUTTON USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Used/surplus HK German HK21 old style bipod. No longer in production and...
    HKP-00565-USED
    Now: $138.95
    Was: $447.95
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    Now: $138.95
    Was: $447.95
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  • New - HK MR556 16" Complete Upper Barrel - HKP-21805 HK MR556 Barrel - 5.56 / .223 - 16" - Complete Upper
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    HK MR556 Barrel - 5.56 / .223 - 16" - Complete Upper

    H&K Heckler & Koch

    $989.95
    HK MR556 16" Complete Upper Barrel Factory HK MR556 16" barrel, complete with a factory-installed barrel nut, gas block and flash hider. Every component is brand new and meticulously crafted, guaranteeing top-notch quality. This barrel is the ultimate...
    HKP-21805
    $989.95
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    $989.95
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  • On Sale
    New - H&K HK 940 .30-06 Rifle Barrel - HKP-21605 HK 940 Barrel - .30-06
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    HK 940 Barrel - .30-06

    H&K Heckler & Koch

    Now: $549.95
    Was: $948.95
    Heckler and Koch HK 940 .30-06 Rifle Barrel Genuine new HK 940 .30-06 barrel featuring date code and Ulm antler proof.  These barrels are unfired and fully nitrided for a lifetime of use. These barrels are very rare and no longer in production...
    HKP-21605
    Now: $549.95
    Was: $948.95
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    Now: $549.95
    Was: $948.95
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  • New - RCM HK MP5K 10mm Barrel - Threaded 14x.75 - HKP-21155 HK MP5K Barrel - 10mm - Threaded 14x.75 with 3 Lug
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    HK MP5K Barrel - 10mm - Threaded 14x.75 with 3 Lug

    RCM

    $279.95
    RCM HK MP5K 10mm Barrel - Threaded 14x.75 Upgrade your MP5K with the RCM HK MP5K 10mm Barrel, featuring a precise 14x1.75 threading for optimal accessory compatibility. Expertly crafted to enhance performance and reliability, this barrel is perfect for...
    HKP-21155
    $279.95
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    $279.95
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  • Out Of Stock
    New - H&K HK11 LMG 7.62×51mm NATO Parts Kit - HKP-20912 HK11 LMG 7.62×51mm NATO Parts Kit

    HK11 LMG 7.62×51mm NATO Parts Kit

    H&K Heckler & Koch

    $0.00
    H&K HK11 LMG 7.62×51mm NATO Parts Kit HK 11 Parts Kit 7.62x51mm demilled to BATFE specs with 2 spare G3 aluminum magazines. The HK11 was built during the 70’s and 80’s. These are interchangeable with other HK Variants and can be...
    HKP-20912
    $0.00
    Out Of Stock
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    $0.00
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  • On Sale
    New - TPM Acorn Bolt Knob – Bronze - HKP-20904 Bolt Knob - Acorn - Bronze
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    Bolt Knob - Acorn - Bronze

    Tactical Precision MFG

    Now: $19.95
    Was: $37.99
    TPM Acorn Bolt Knob – Bronze 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-20904
    Now: $19.95
    Was: $37.99
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    Now: $19.95
    Was: $37.99
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  • On Sale
    New - TPM - Remington 700 - 30 MOA - Scope Base Long Action - HKP-20760 Remington 700 - 30 MOA - Scope Base Long Action
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    Remington 700 - 30 MOA - Scope Base Long Action

    Tactical Precision MFG

    Now: $35.95
    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-20760
    Now: $35.95
    Was: $76.99
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    Now: $35.95
    Was: $76.99
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  • New - H&K HK MP5SD German Parts Kit - HKP-20641
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    HK MP5SD Parts Kit

    H&K Heckler & Koch

    $8,799.95
    H&K HK MP5SD German Parts Kit Genuine German H&K MP5SD parts kit in good condition. Ultra rare offering with all highly desirable parts including a like-new Navy 3 position trigger group with ESSL, H&K A3 collapsible stock, and the original...
    HKP-20641
    $8,799.95
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    $8,799.95
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