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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  • Used - MP5F Parts Kit 3 Pos Navy Pistol or A2 Kit - HKP-01538
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    HK MP5F Parts Kit - A2 Buttstock and Navy Trigger 3 Pos

    H&K Heckler & Koch

    $2,695.95
    HK MP5F Parts Kit - 3 Pos Navy Trigger - A2 Stock This kit is built from original German components and includes the upgraded full-auto MP5F bolt group assembly and cold hammer forged 3-lug barrel. The MP5F configuration is known for its reinforced...
    HKP-01538
    $2,695.95
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    $2,695.95
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  • Used - H&K MP5 9mm Parts Kit 100% German - A3 Stock & SEF Lower - HKP-00770
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    HK MP5 Parts Kit - A3 Buttstock and SEF Lower - 9mm - 100% German

    H&K Heckler & Koch

    $2,799.95
    MP5 Parts Kit - 9mm HK German MP5 9mm Used Parts Kit Complete (Minus Receiver). All MP5 Kits Include: HK 3-Lug MP5 Barrel - cold hammer forged Cocking Tube Front Sight Tower Wide Forearm - Black Bolt Group - MP5 Full Auto 2 small and 1 large Push...
    HKP-00770
    $2,799.95
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    $2,799.95
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  • On Sale
    Used - Zeiss/Eltro Fero Z-51 Night Vision Scope-Parts Grade - HKP-15655 Fero Z-51 Night Vision Scope - Parts Grade
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    Fero Z-51 Night Vision Scope - Parts Grade

    Zeiss / Eltro

    Now: $397.95
    Was: $499.95
    Zeiss/Eltro Fero Z-51 Night Vision Scope-Parts Grade Used in non-working condition -SOLD AS IS. Comes shipped in the original German Army transportation case. Good for spare parts, props, etc. These are the last remaining units available. Some parts may...
    HKP-15655
    Now: $397.95
    Was: $499.95
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    Now: $397.95
    Was: $499.95
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  • On Sale
    Used - H&K HK33A2 Parts Kit-Used - HKP-00783 H&K HK33A2 Parts Kit-Used H&K Heckler & Koch HKP-00783
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    HK33 A2 Parts Kit

    H&K Heckler & Koch

    Now: $2,897.95
    Was: $3,489.95
    HK33 A2 Parts Kit - Used Surplus (Receiver Not Included) Genuine German HK33 A2 parts kit professionally de-milled in accordance with BATF specifications. This kit does not include a receiver. These kits consist of German-manufactured HK components and...
    HKP-00783
    Now: $2,897.95
    Was: $3,489.95
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    Now: $2,897.95
    Was: $3,489.95
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  • HK416, MR556, AR-15 Pistol Grip - Ambi Safety Compatible HK416, MR556, AR-15 Pistol Grip - Ambi Safety Compatible
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    HK416, MR556, AR-15 Pistol Grip - Ambi Safety Compatible

    UTG PRO

    $14.95
    UTG PRO AR-15 Pistol Grip with Beaver Tail - Ambi Safety Compatible Made in the USA, the UTG PRO AR-15 Pistol Grip is designed with ergonomic palm swells, a beavertail, and finger grooves for a secure, consistent hold and improved comfort...
    HKP-99448
    $14.95
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    $14.95
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  • HK416, MR556, AR-15 Grip with Beavertail and Finger Grooves HK416, MR556, AR-15 Grip with Beavertail and Finger Grooves
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    HK416, MR556, AR-15 Grip with Beavertail and Finger Grooves

    Other

    $12.95
    DLG Tactical AR-15 Rubberized Grip with Beavertail Upgrade your AR platform with the DLG Tactical Rubberized Grip with Beavertail. Designed with ergonomic finger grooves, a beavertail backstrap, and a textured non-slip surface, this grip helps improve...
    HKP-99447
    $12.95
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    $12.95
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  • HK21 FMP Ultimate Build Kit- Matching Numbers - Complete RCM Barrel HK21 FMP Ultimate Build Kit- Matching Numbers - Complete RCM Barrel
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    HK21 FMP Ultimate Build Kit- Matching Numbers - Complete RCM Barrel

    FMP HK CONTRACT

    $3,748.95
    HK21 Complete Build Kit- Matching Numbers HK Parts brings you another exhaustive parts kit. Our numbers-matching Ultimate HK21 parts kit includes everything you need to resurrect an iconic classic and hit the range for belt-fed action. Kit includes...
    HKP-22539
    $3,748.95
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    $3,748.95
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  • HK91, G3 A2 Stock - Tan - Saudi Contract - Enhanced Heavy Buffer - Like New - Rare HK91, G3 A2 Stock - Tan - Saudi Contract - Enhanced Heavy Buffer - Like New - Rare
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    HK91, G3 A2 Stock - Tan - Saudi Contract - Enhanced Heavy Buffer - Like New - Rare

    Other

    $274.95
    Rare Saudi Arabian Contract HK91, G3 A2 Stock with HKP Enhanced Heavy Buffer - Tan - Like New VARYING CONDITION SHOWN - SOLD INDIVIDUALLY Original Saudi Arabian contract G3 A2 fixed stock in tan paired with the HKP enhanced heavy buffer for improved...
    HKP-99420
    $274.95
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    $274.95
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  • HK MP5, AP5 Cocking Tube Support - Steel HK MP5, AP5 Cocking Tube Support - Steel
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    HK MP5, AP5 Cocking Tube Support - Steel

    MKE

    $69.95
    MP5 & HK94 All Steel Cocking Tube Support Each cocking tube support comes complete with the detent and spring installed. This part is the perfect upgrade from the cheap metal or plastic support found in clones.  Compatible With: HK MP5, HK94 HK...
    HKP-22505
    $69.95
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    Qty in Cart: 0
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    $69.95
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  • On Sale
    HK SL8 Buttstock Cheek Riser Piece - BLEMISHED HK SL8 Buttstock Cheek Riser Piece - BLEMISHED
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    HK SL8 Buttstock Cheek Riser Piece - BLEMISHED

    H&K Heckler & Koch

    Now: $17.95
    Was: $34.95
    HK SL8 Stock Cheek Riser Piece - BLEMISHED   VARYING CONDITION SHOWN - SOLD INDIVIDUALLY   MISSING SPACER   COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...
    HKP-01701-B
    Now: $17.95
    Was: $34.95
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    Now: $17.95
    Was: $34.95
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  • On Sale
    HK90 Series Cocking Tube End Cap - Aluminum - USED HK90 Series Cocking Tube End Cap - Aluminum - USED
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    HK90 Series Cocking Tube End Cap - Aluminum - USED

    HKP HK Parts

    Now: $7.95
    Was: $12.95
    HK Cocking Tube End Cap - Aluminum - USED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL USED PART SALES ARE FINAL. Made from weight-saving aircraft-grade aluminum alloy. US-made. Compatible With: All 90 series HK firearms and...
    HKP-02806-USED
    Now: $7.95
    Was: $12.95
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    Now: $7.95
    Was: $12.95
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  • HK MP5K, AP5-P End Cap - Incomplete HK MP5K, AP5-P End Cap - Incomplete
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    HK MP5K, AP5-P End Cap - Incomplete

    MKE

    $27.95
    MKE MP5K, AP5-P - Incomplete MKE manufactured replacement end cap.  This end cap does not include the buffer, hardware, or sling swivel.  Compatible With: HK MP5K HK SP89 HK SP5K Century AP5-P, AP5-M
    HKP-22472
    $27.95
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    $27.95
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