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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  • Out Of Stock
    New - HK MP5 Aimpoint ACRO A-2 with Optic Mount - HKP-21899-M HK MP5, SP5K Optic Mount with Aimpoint ACRO P-2

    HK MP5, SP5K Optic Mount with Aimpoint ACRO P-2

    HKP HK Parts / Aimpoint

    $689.95
    HK MP5 Aimpoint ACRO P-2 with HKP Optic Mount The HKP optic mount securely positions the ACRO P-2 sight for fast, intuitive target acquisition, while preserving a clear view of the factory sights. Includes: HK MP5 Optic Mount (ACRO interface) Aimpoint...
    HKP-21899-M
    $689.95
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  • New - HKP - HK MP5 .22LR Brace/Stock Adapter - HKP-21543 HK MP5 Stock or Brace Adapter - .22LR
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    HK MP5 Stock or Brace Adapter - .22LR

    HKP HK Parts

    $99.95
    HKP - HK MP5 .22LR Brace/Stock Adapter Expertly crafted from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Buffered with factory correct “H” buffers to ensure maximum protection for your valuable...
    HKP-21543
    $99.95
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  • New - HKP HK MP5K, SP5K, SP89 Single Point Leather Sling - Dark Brown - HKP-20270 HK MP5K, SP5K, SP89 Leather Sling - Single Point - Dark Brown
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    HK MP5K, SP5K, SP89 Leather Sling - Single Point - Dark Brown

    HKP HK Parts

    $49.95
    Single Point Leather Sling - Dark Brown Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...
    HKP-20270
    $49.95
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  • On Sale
    New - SB Tactical Pistol HK93/33/53 SBA4 Stabilizing Brace & Adapter - HKP-19929 HK33, HK53, HK93 Pistol Stabilizing Brace - SBA4 - Adapter Included
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    HK33, HK53, HK93 Pistol Stabilizing Brace - SBA4 - Adapter Included

    SB Tactical

    Now: $265.45
    Was: $294.95
    SB Tactical Pistol HK93/33/53 SBA4 Stabilizing Brace & Adapter Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA4 is 5-position adjustable and features an integral, ambidextrous QD sling socket...
    HKP-19929
    Now: $265.45
    Was: $294.95
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    Now: $265.45
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  • On Sale
    HK MP5 Foregrip Weapon Light - 628 Momentary - USED HK MP5 Foregrip Weapon Light - 628 Momentary - USED
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    HK MP5 Foregrip Weapon Light - 628 Momentary - USED

    Surefire

    Now: $399.95
    Was: $499.95
    Surefire 628 HK MP5 - Momentary Handguard - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY NO BATTERIES INCLUDED. USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Surefire 628 momentary forearm used...
    HKP-19403-B
    Now: $399.95
    Was: $499.95
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    Was: $499.95
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  • New - H&K HK MR556/416 Enhanced Field Cleaning Kit - HKP-17061 HK416, MR556 Enhanced Field Cleaning Kit
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    HK416, MR556 Enhanced Field Cleaning Kit

    H&K Heckler & Koch

    $169.95
    HK HK416/ MR556 (all variants & models) field cleaning kit- Enhanced Cleaning kit made both the HK 416, MR556 series of rifles and MG's. Includes: Saf-T-Clad Cleaning Rod HK Carbon Scraping Tool Accessory Adapter Section #8-32 Patch Holder Chamber...
    HKP-17061
    $169.95
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  • On Sale
    New - HKP HK 93/53/33 (5.56/.223) AR-15 Style Brace/Stock Adapter - HKP-16255 HK33, HK53, HK93 Stock or Brace Adapter - AR-15 Style
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    HK33, HK53, HK93 Stock or Brace Adapter - AR-15 Style

    HKP HK Parts

    Now: $174.95
    Was: $199.95
    HKP HK 93/53/33 (5.56/.223) AR-15 Style Brace/Stock Adapter PTR Manufactured AR15 to HK 93,33,53 series stock adopter assembly. Each adopter unit will allow the use of AR15 stocks on your HK 93,33,53, C93/C53 or HK94, MP5 firearm. Each assembly includes...
    HKP-16255
    Now: $174.95
    Was: $199.95
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  • New - RCM HK53 .300 BLK Barrel - Threaded 5/8x24 - HKP-13907 HK53 Barrel - .300 BLK - 8.20" - Threaded 5/8x24
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    HK53 Barrel - .300 BLK - 8.20" - Threaded 5/8x24

    RCM

    $239.95
    RCM HK53 .300 BLK Barrel - Threaded 5/8x24 Each barrel was designed for use with the wildly popular AAC style quick detach muzzle breaks and suppressors with the 5/8x24 thread pitch. Although, this barrel is perfect for just about any .300 BLK suppressor...
    HKP-13907
    $239.95
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  • New - X Products HK 93/53/33 (5.56/.223) 50 Round Drum Magazine - HKP-17812 HK33, HK53, HK93 Drum Magazine - 50 Round
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    HK33, HK53, HK93 Drum Magazine - 50 Round

    X Products

    $349.95
    50 Round Drum HK 93, 33, 53 & Clones, Custom Builds - X93, 33, 53 X Products 50 round drum for the HK93, 33, 53 family of firearms. Will fit all in-spec firearms made to German HK magwell specs.  Each drum in this limited run was crafted from...
    HKP-17812
    $349.95
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  • New - HKP MP5 40/10 Bolt Hold Open Axle Rod & Pin Combo - HKP-17405 HK MP5 Axle Rod and Pin, Bolt Hold Open - .40 S&W, 10mm
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    HK MP5 Axle Rod and Pin, Bolt Hold Open - .40 S&W, 10mm

    HKP HK Parts

    $49.95
    HK MP5 40, MP5 10 Bolt Hold Open Axle Rod & Pin Combo Each bolt hold open rod axle includes the 2 pre-drilled holes for the threaded activation screw and the clamping sleeve. This offering includes both the axle rod and the threaded screw for the...
    HKP-17405
    $49.95
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  • New - HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug - HKP-18001
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    HK MP5K Barrel Extension and Faux Suppressor - 9mm - 3 Lug - US

    HKP HK Parts

    $59.95
    HKP MP5K 9mm Fake Suppressor/Barrel Extension - 3-Lug MP5K 3-Lug Barrel Barrel Extension, Fake Suppressor US made MP5K solid aluminum fake suppressor, barrel extension. Slips over the 3-lug MP5K PDW barrel and then pinned in place to meet the overall 16"...
    HKP-18001
    $59.95
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  • New - B&T MP5 TL-99A1 Tri-Rail Handguard - HKP-16904 HK MP5 Tri-Rail Handguard - TL-99A1
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    HK MP5 Tri-Rail Handguard - TL-99A1

    B&T Brugger & Thomet

    $234.95
    B&T Brugger and Thomet TL-99A1 Tri-Rail Handguard for HK MP5   This handguard for the MP5 has a total of three NAR-Picatinny Rails; one on each side and one on the bottom.   Specifications: Color: Black Height max: 55.8 mm Length max: 164...
    HKP-16904
    $234.95
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    $234.95
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