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 - Michaels Machines USC to UMP Stock Block B w/Thumbscrew - HKP-20722 HK USC to UMP Stock Block B with Thumb Screw
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    HK USC to UMP Stock Block B with Thumb Screw

    Michaels Machines

    $249.95
    Michaels Machines USC to UMP Stock Block B w/Thumbscrew For use with all HK UMP factory or US made folding stocks. Each unit comes with a thumbscrew on one end and a slotted section on the other end. This is a required part for the HK USC-UMP style...
    HKP-20722
    $249.95
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    $249.95
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  • New - Timney Triggers MP5 9mm 2-Stage Trigger - HKP-20507 HK MP5 2 Stage Trigger - 9mm
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    HK MP5 2 Stage Trigger - 9mm

    Timney Triggers

    $389.95
    Timney Trigger's Trigger for your 9mm HK MP5, MP5K The Timney HK MP5 trigger is factory-set with a two pound first stage and a two pound second stage that elevates the platform so the shooter can achieve the utmost in accuracy. This offering comes...
    HKP-20507
    $389.95
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    $389.95
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  • Used - H&K HK SP5 Spec Only Navy Style SEF Clipped & Pinned Housing - Like New - HKP-20074 HK SP5 Spec Only Navy Style SEF Clipped and Pinned Housing - Like New
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    HK SP5 Spec Only Navy Style SEF Clipped and Pinned Housing - Like New

    H&K Heckler & Koch

    $149.95
    HK German SP5 Spec Navy Style SEF Clipped & Pinned Housing - Excellent / Like New In outstanding, like-new condition—most items have never been installed on a firearm. Designed specifically for all HK SP5 models, these components are perfect...
    HKP-20074
    $149.95
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    $149.95
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  • Out Of Stock
    New - H&K HK MR556 M-LOK 16.5" Upper Receiver Assembly - Black - HKP-17366 HK MR556 Upper Receiver Kit -16.5" - M-LOK

    HK MR556 Upper Receiver Kit -16.5" - M-LOK

    H&K Heckler & Koch

    $1,779.95
    New HK Factory German MR556 Upper Kit with M-LOK forearm Includes: Complete MR556 upper receiver with M-LOK forearm MR556 Bolt group Complete Tungsten Filled HK Buffer HK Buffer Spring One 30 Round HK Steel Maritime Magazine No FFL required as the...
    HKP-17366
    $1,779.95
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  • New - HKP HK MR556/MR762/416/AR-15 Titanium Take Down Pin Set - HKP-17936
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    HK416, MR556, MR762, AR-15 Take Down Pin Set - Titanium

    HKP HK Parts

    $29.95
    AR15, M4, MR556, MR762, AR10 Enhanced Take Down Pin Set Front & Rear - Titanium Custom ultra strong pure titanium front and rear take down pin set. Each set included both the front and rear pins for any AR mil-spec style lower. Compatible...
    HKP-17936
    $29.95
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    $29.95
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  • New - H&K G36/UMP (.40 S&W/.45 ACP/9mm/5.56/.223) F/A Hammer - HKP-02308
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    HK G36, UMP Hammer - Full Auto

    H&K Heckler & Koch

    $49.95
    G36 & HK UMP Hammer For Lower Or Trigger Group 
    HKP-02308
    $49.95
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  • Out Of Stock
    New - PTR HK G3/91 (7.62x51/.308) Locking Piece- 45 Degree - HKP-18518 HK91, G3 Locking Piece - 45 Degree

    HK91, G3 Locking Piece - 45 Degree

    PTR

    $21.95
    45 Degree Locking Piece - US Made PTR standard 45 degree locking piece made in the USA by PTR and is design to be a direct replacement for all .308 HK style firearms. Compatible With: G3 PTR 91 HK 91 Other costume clones
    HKP-18518
    $21.95
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    $21.95
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  • New - H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch - HKP-15792 HK91, G3, PTR TWO Magazines with Cloth Mag Pouch - 20 round
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    HK91, G3, PTR TWO Magazines with Cloth Mag Pouch - 20 round

    H&K Heckler & Koch

    $49.95
    H&K 91/G3/MSG90 (7.62x51/.308) 2x20 Round Aluminum Mags W/ Cloth Mag Pouch  2 X New/like new HK German 20 round aluminum magazine with green cloth mag pouch combo deal: 2 X 20 round aluminum magazines and green cloth mag pouch. Compatible...
    HKP-15792
    $49.95
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  • Used - H&K 93/53/33 (5.56/.223) Surplus Fixed Stock - A2 - Jungle Green - HKP-18887 HK33, HK53, HK93 A2 Fixed Buttstock - Surplus - Jungle Green
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    HK33, HK53, HK93 A2 Fixed Buttstock - Surplus - Jungle Green

    H&K Heckler & Koch

    $122.95
    Surplus - Fixed Stock - Jungle Green - HK93,33,53 Hand-picked stocks in excellent condition. Comes with matching buttpad. Ready to install on your HK or clone rifle. German military surplus, but handpicked to give you the best of the offerings...
    HKP-18887
    $122.95
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    $122.95
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  • On Sale
    HK AP5P/MP5K Recoil Rod Assembly MKE HKP-22389 HK AP5P/MP5K Recoil Rod Assembly MKE HKP-22389
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    HK MP5K, AP5-P Recoil Rod Assembly

    MKE

    Now: $54.95
    Was: $64.95
    MKE HK AP5P/MP5K Recoil Rod Assembly The recoil spring assembly is a great item to have on hand for replacement and spares as this is a consumable wearable part.  Compatible With: HK SP5K/MP5K/SP89 Century Arms AP5-P/AP5-M Clones and other HK...
    HKP-22389
    Now: $54.95
    Was: $64.95
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  • Out Of Stock
    HK416, MR556, MR762 Snap Hook Adapter for Slimline Buttstocks - Ambi HK416, MR556, MR762 Snap Hook Adapter for Slimline Buttstocks - Ambi

    HK416, MR556, MR762 Snap Hook Adapter for Slimline Buttstocks - Ambi

    H&K Heckler & Koch

    $177.95
    H&K MR556/MR762 Ambi Slimline Buttstock Snap Hook Adapter Genuine H&K snap hook adapter designed to provide ambidextrous sling attachment points for MR556 and MR762 slimline buttstocks.  Compatible With: HK416, MR556, MR223 slimline...
    HKP-22100
    $177.95
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    $177.95
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  • New - H&K HK MR762/417 Flush Cup QD End Plate - Black - HKP-21642 HK417, MR762 QD End Plate - Flush Cup
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    HK417, MR762 QD End Plate - Flush Cup

    H&K Heckler & Koch

    $174.95
    H&K HK MR762/417 Flush Cup QD End Plate Factory HK flush end cap with dual QD sockets for ambidextrious sling attachment. Compatible With: HK MR762 HK 417
    HKP-21642
    $174.95
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    $174.95
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