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
    Used - HKP MP5 9mm SEF Style 0,1 Trigger Pack - Safe, Semi Only - HKP-00152 HK MP5 Trigger Pack - 9mm - SEF Style 0,1 - Safe, Semi
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    HK MP5 Trigger Pack - 9mm - SEF Style 0,1 - Safe, Semi

    HKP HK Parts

    Now: $287.96
    Was: $359.95
    HKP/H&K MP5/K 9mm SEF Semi-Auto Complete Trigger Pack We have one of the best HK gunsmiths in the country that can take hand-picked German HK F/A trigger packs and modify them to semi-auto. This is done with the best and most precise machinery and...
    Now: $287.96
    Was: $359.95
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    Was: $359.95
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  • On Sale
    HK416/MR556 Adaptive Battle Grip with Storage - Black H&K Heckler & Koch HKP-22298 HK416/MR556 Adaptive Battle Grip with Storage - Black H&K Heckler & Koch HKP-22298
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    HK416, MR556, HK417, MR762 Pistol Grip

    H&K Heckler & Koch

    Now: $71.06
    Was: $78.95
    HK Heckler and Koch's Pistol Grip with Storage - Black HK German factory pistol grip with a storage compartment in the bottom. It has a superior fit and feel to any other grip on the market. This is a great upgrade for any AR, M16 platform. Compatible...
    Now: $71.06
    Was: $78.95
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  • Out Of Stock
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    New - B&T HK MP5/MP5K QD/QO Brass Catcher - HKP-21315 HK MP5, MP5K Brass Catcher - QD,QO

    HK MP5, MP5K Brass Catcher - QD,QO

    B&T Brugger & Thomet

    Now: $238.45
    Was: $264.95
    B&T HK MP5/MP5K QD/QO Brass Catcher Works with HK MP5 only with the BT-21358 handguard or for the BT-21573 handguard for the MP5K. Compatible With: HK MP5/MP5K HK SP5/HK SP5K Clones
    Now: $238.45
    Was: $264.95
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    Was: $264.95
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  • On Sale
    New - HKP HK MP5, SP5 20 Round Magazine Spring - HKP-20687 HK MP5, HK94, SP5 Magazine Spring - 20 Round
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    HK MP5, HK94, SP5 Magazine Spring - 20 Round

    HKP HK Parts

    Now: $5.56
    Was: $6.95
    20 Round Magazine Spring - HK MP5, 94, SP5 Fits all factory spec steel 20 round MP5, 94 style curved magazines. A must-have repair and replacement part great for spares.
    Now: $5.56
    Was: $6.95
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  • Out Of Stock
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    New - H&K 95mm Picatinny Rail Cover - Black - HKP-18858 HK 95mm Picatinny Rail Cover

    HK 95mm Picatinny Rail Cover

    H&K Heckler & Koch

    Now: $13.46
    Was: $14.95
    HK Rubber Picatinny Rail Cover - 95mm New factory HK rubberized Picatinny rail cover. Specifications: Rail cover dimensions: 95x26x7 mm Compatible With: HK Picatinny rails Other Picatinny railed applications
    Now: $13.46
    Was: $14.95
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  • Out Of Stock
    On Sale
    New - H&K HK G36C Complete Rear Stock Assembly - Black - HKP-00626 HK G36C Complete Stock Assembly

    HK G36C Complete Stock Assembly

    H&K Heckler & Koch

    Now: $179.95
    Was: $199.95
    HK G36C Stock Assembly Complete - German Genuine German Heckler & Koch G36C stock assembly. One full inch shorter than the standard G36 stock. This is the preferred stock for average-height users. Compatible With: G36 G36K G36C G36E SL8 to G36...
    Now: $179.95
    Was: $199.95
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    New - H&K HK 416/MR556 9" Quad Rail - HKP-16858 HK416, MR556 9" Quad Rail

    HK416, MR556 9" Quad Rail

    H&K Heckler & Koch

    Now: $377.95
    Was: $419.95
    H&K HK 416/MR556 9" Quad Rail HK German 416, MR556 Quad Rail without mounting screw. Specifications: Length: 9 1/4" Color: charcoal gray Compatible With: HK MR556 HK 416
    Now: $377.95
    Was: $419.95
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  • On Sale
    New - HKP HK MR556/CR556/MR762 H-Key 8 Rail Segment - HKP-17844 HK MR556/CR556/MR762 H-Key 8 Rail Segment
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    HK MR556/CR556/MR762 H-Key 8 Rail Segment

    HKP HK Parts

    Now: $23.96
    Was: $29.95
    HK MR556, CR556 & MR762 HKey Rail Segment - 8 Slot 8 slot picatinny rail segment for the new "HKey" style forearms. This rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and...
    Now: $23.96
    Was: $29.95
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  • On Sale
    New - H&K UMP (.40 S&W/.45 ACP/9mm) Magazine Release Axle - HKP-02159 HK UMP Magazine Release Axle
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    HK UMP Magazine Release Axle

    H&K Heckler & Koch

    Now: $17.95
    Was: $19.95
    HK UMP Magazine Release Axle  
    Now: $17.95
    Was: $19.95
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    Was: $19.95
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  • On Sale
    New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Lower Locking Pin - HKP-00595
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    HK UMP, USC Lower Locking Pin

    H&K Heckler & Koch

    Now: $33.26
    Was: $36.95
    HK German UMP Lower Locking Pin For use with all HK UMP lowers and USC to UMP conversions. New HK German manufacture.  
    Now: $33.26
    Was: $36.95
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    Was: $36.95
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  • On Sale
    New - HK 91/G3 (7.62x51/.308) Bolt Head Complete - US Made - HKP-00839 HK91, G3 Bolt Head Complete - US Made
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    HK91, G3 Bolt Head Complete - US Made

    Now: $134.95
    Was: $149.95
    Bolt Head - Complete This item is a complete bolt head using a combination of new HK German and New US-made parts. This part counts as 1 US-made compliant part for the 922r compliance. Compatible With: HK 91 HK G3 PTR-91 SAR3/8 Other HK .308 Clones or...
    Now: $134.95
    Was: $149.95
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  • Out Of Stock
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    New - H&K MP5 40/10 Chamber Flute Brush - HKP-00139

    HK MP5 Brush - 10mm / .40 S&W - Chamber Flute

    H&K Heckler & Koch

    Now: $26.95
    Was: $29.95
    New HK German MP5 40, MP5 10mm Chamber Flute Brush This is a must-have brush to keep the flute clean and the firearm running the way it should. Get this item while you can, it is no longer in production and is hard to find. Compatible With: MP5 40 MP5...
    Now: $26.95
    Was: $29.95
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