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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  • New - DTAC 90 Series Semi Auto Shelf Weldment - Billeted - HKP-18072 HK MP5, G3, HK53 Semi Auto Shelf Weldment - Billeted
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    HK MP5, G3, HK53 Semi Auto Shelf Weldment - Billeted

    DTAC Dakota Tactical

    $34.95
    DTAC Spec Billeted Semi Auto Shelf For C/P'ed Trigger Group -Dakota Tactical The needed receiver shelf that is welded to the magwell of the receiver to allow the use of clipped & pinned trigger housings. These are as made to DTAC's custom specs...
    HKP-18072
    $34.95
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  • New - HKP HK MP5 & HK MP5K Dual 9mm Magazine Clamp Bundle - KCI - HKP-20479 HK MP5, MP5K Dual Magazine Clamp Bundle - 9mm
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    HK MP5, MP5K Dual Magazine Clamp Bundle - 9mm

    HKP HK Parts / KCI

    $119.95
    KCI Dual Magazine Clamp Bundle - for 9mm HK MP5 The MP5, MP5K magazine grip or dual magazine clamp. Fits all 9mm MP5 or MP5K curved magazines. Holds two magazines together for ease of use and easy access to 2 magazines.   Half the weight of the...
    HKP-20479
    $119.95
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  • New - HKP Roller +7 - New - 8.07mm - HKP-19442 HK Roller +7 - New - 8.07mm
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    HK Roller +7 - New - 8.07mm

    HKP HK Parts

    $8.99
    Roller +7 - New - 8.07mm HK Parts Standard (8.07 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to...
    HKP-19442
    $8.99
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  • New - HK Contract 3 Point Sling - Black - HKP-19186 HK Contract 3 Point Sling - Black
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    HK Contract 3 Point Sling - Black

    H&K Heckler & Koch

    $44.95
    HK Contract 3 Point Sling - Black German military surplus 3 point HK sling in like new condition. These slings are completely operational and a great value for the money.
    HKP-19186
    $44.95
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  • New - H&K MP5 A3 Retractable Stock Buffer - HKP-00074
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    HK MP5 A3 Retractable Buttstock Buffer

    H&K Heckler & Koch

    $27.95
    H&K Heckler and Koch A3 Buffer - Stock - Retractable Stock Buffer for HK MP5 These common wear items need to be replaced when they become yellow, brittle, and worn. Inspect your buffer for the following: discoloration, the buffer becomes hard and...
    HKP-00074
    $27.95
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  • New - HKP HK MP5 30 Round Enhanced Magazine Spring - HKP-22157
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    HK MP5 Magazine Spring - 30 Round - Enhanced

    HKP HK Parts

    $8.95
    HKP HK MP5 30 Round Enhanced Magazine Spring US-made enhanced 30-round magazine spring for the MP5. Provides improved feeding reliability and consistent spring tension. Compatible With: HK MP5/K
    HKP-22157
    $8.95
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  • On Sale
    New - HK Contract 3 Point Sling - OD Green - HKP-19184 HK Contract 3 Point Sling - OD Green
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    HK Contract 3 Point Sling - OD Green

    H&K Heckler & Koch

    Now: $39.71
    Was: $52.95
    HK Contract 3 Point Sling - OD Green HK contract 3 point sling NIW.  This is the best valued HK 3 point sling available for the HK 90 series of firearms. HK Green in color.
    HKP-19184
    Now: $39.71
    Was: $52.95
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  • New - JMAC Customs HK MP5, HK SP5, HK 33 1913 Rail Brace/Stock Adapter - Black - HKP-19305 HK MP5, SP5, HK33 1913 Rail Stock or Brace Adapter
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    HK MP5, SP5, HK33 1913 Rail Stock or Brace Adapter

    JMAC Customs

    $94.95
    JMAC Customs HK MP5, HK SP5, HK 33 1913 Rail Brace/Stock Adapter Finally a way to mount 1913 stocks/braces to your favorite full-size MP5 clone!  It has a Picatinny rail machined on the rear which allows you to install 1913 style stocks/braces...
    HKP-19305
    $94.95
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  • New - H&K 21 (7.62x51/.308) 50 Round Ammo Belt w/o Starter Tab - HKP-00569 HK21 Ammunition Belt without Starter Tab - 50 Round
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    HK21 Ammunition Belt without Starter Tab - 50 Round

    H&K Heckler & Koch

    $29.95
    H&K 21 50-Round Ammo Belt w/o Starter Tab No starter tab. For belt-fed HK 21 guns.
    HKP-00569
    $29.95
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  • Used - H&K MP5 9mm Full Auto SEF Navy Style Trigger Group - Push Pin - HKP-18094-PP HK MP5 9mm Full Auto SEF Navy Style Trigger Group - Push Pin
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    HK MP5 9mm Full Auto SEF Navy Style Trigger Group - Push Pin

    H&K Heckler & Koch

    $499.95
    HK German MP5 SEF Navy Style F/A Trigger Group Complete - Used Each trigger group is comprised of genuine Heckler & Koch products Includes: German full auto trigger pack with all F/A internals New German 3rd generation ejector German HK SEF selector...
    HKP-18094-PP
    $499.95
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  • Used - H&K 90 Series Hammer Axle For Trigger Pack - HKP-15444
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    HK MP5, HK90 Series Hammer Axle for Trigger Pack

    H&K Heckler & Koch

    $2.77
    H&K 90 Series Hammer Axle For Trigger Pack HK German used hammer axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .237 inches (6.0mm). A great spare and must have spare part for anyone that owns an HK 90 series of...
    HKP-15444
    $2.77
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  • New - HKP HK MP5 .22 – RMR / Holosun Optic Mount - HKP-20867-M HK MP5 .22 LR Optic Mount - RMR, Holosun
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    HK MP5 .22 LR Optic Mount - RMR, Holosun

    HKP HK Parts

    $97.95
    HKP HK Parts RMR and Holosun Optic Mount for HK MP5 .22 The finest mounting solution to properly mount your RDS on your MP5 .22. Our 3-piece optic mount installs quickly and securely using the provided hardware. Our mount is the perfect height to...
    HKP-20867-M
    $97.95
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