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
    New - HK G36/SL8 (5.56/.223) Barrel Mandrel - HKP-02608 HK G36, SL8 Barrel Mandrel
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    HK G36, SL8 Barrel Mandrel

    Other

    Now: $98.95
    Was: $109.95
    Barrel Mandrel For Removal and Installation of HK G36 and HK SL8 Barrels A mandrel barrel changing tool for firearms is a specialized rod inserted into the barrel to provide internal support and alignment during the process of removal or installation...
    Now: $98.95
    Was: $109.95
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    Now: $98.95
    Was: $109.95
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  • On Sale
    New - B&T HK MP5K, HK SP5K UMP B&T Folding Stock - Black - HKP-16944 HK MP5K, HK SP5K, B&T UMP Folding Stock
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    HK MP5K, HK SP5K, B&T UMP Folding Stock

    B&T Brugger & Thomet

    Now: $267.25
    Was: $437.95
    B&T HK MP5K, HK SP5K UMP B&T Folding Stock B&T stock foldable polymer with adapter for HK MP5K. These are hard to find and the real deal. 100% Swiss & German HK made. This is a military grade stock. B&T Switzerland has supplied these...
    Now: $267.25
    Was: $437.95
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    Now: $267.25
    Was: $437.95
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  • On Sale
    New - HKP Cocking Tube End Cap-Steel - HKP-17580 HKP Cocking Tube End Cap-Steel
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    HKP Cocking Tube End Cap-Steel

    HKP HK Parts

    Now: $15.96
    Was: $19.95
    Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight tower
    Now: $15.96
    Was: $19.95
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  • On Sale
    New - H&K Magazine Catch, Push Button Roll Pin - HKP-01918
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    HK Magazine Catch, Push Button Roll Pin

    H&K Heckler & Koch

    Now: $4.46
    Was: $4.95
    H&K Magazine Catch, Push Button Roll Pin New HK German-made. The mag catch roll pin is used to attach the magazine catch to the mag release button. Compatible With: HK G3, 91, PTR HK MP5, 94, SP5 HK 93, 33, 53 HK SP89, MP5K,...
    Now: $4.46
    Was: $4.95
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  • On Sale
    New - H&K German Recoil Guide Rod Rivet - HKP-01026
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    HK German Recoil Guide Rod Rivet

    H&K Heckler & Koch

    Now: $8.96
    Was: $9.95
    H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...
    Now: $8.96
    Was: $9.95
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  • On Sale
    New - Walther 20 Round HK 416/Colt M4 .22LR Magazine - Black - HKP-01748 HK416, Colt M4 Magazine - .22LR - 20 Round
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    HK416, Colt M4 Magazine - .22LR - 20 Round

    Walther / Umarex

    Now: $35.96
    Was: $39.95
    HK, Umarex, Walther, HK416 .22LR Magazine - 20 Round Magazine Each magazine is the factory OEM magazine for all of the models above. Brand new factory fresh. This magazine is the perfect balance of magazine capacity size and fitment to the firearm...
    Now: $35.96
    Was: $39.95
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  • On Sale
    New - HKP HK21 T-Rail Set - 7.62x51/.308 - HKP-21457 HK21, FMP21 T-Rail Set
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    HK21, FMP21 T-Rail Set

    HKP HK Parts

    Now: $95.96
    Was: $119.95
    HKP HK 21 (7.62x51/.308) Factory Style T-Rail Set HKP HK21 US made rails for all HK21 and FMP21 builds. Our steel T-rails incorporate an updated radius to address a weak link in previous iterations.  Compatible With:  HK21 FMP21
    Now: $95.96
    Was: $119.95
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  • On Sale
    New - JMAC Customs MP5K/SP89/SP5K 9mm Rear Brace/Stock Adapter with Picatinny Rail - HKP-18990
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    HK MP5K, SP5K, SP89 9mm Brace or Stock Adapter with Picatinny Rail

    JMAC Customs

    Now: $85.45
    Was: $94.95
    JMAC Customs MP5K, SP5K, SP89 9mm Brace/Stock Adapter with Picatinny Rail This stock adapter allows you to attach any 1913 style stock, brace to your MP5K. The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many...
    Now: $85.45
    Was: $94.95
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    Was: $94.95
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  • Out Of Stock
    On Sale
    New - B&T HK MP5/MP5K 9mm Flash Hider - 3-Lug - Quick Detach - HKP-16902 MP5, MP5K, APC Flash Hider - 3-Lug - Quick Detach - 9mm

    MP5, MP5K, APC Flash Hider - 3-Lug - Quick Detach - 9mm

    B&T Brugger & Thomet

    Now: $121.50
    Was: $135.00
    B&T HK MP5/MP5K 9mm Flash Hider - 3-Lug - Quick Detach This flash hider slips over the end of the 3-lug barrel and with a light push and a 1/4 turn the flash hider attaches to the end of the tri-lug. Easy off and on installation and removal with a...
    Now: $121.50
    Was: $135.00
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  • Out Of Stock
    On Sale
    New - HKP HK SL8 & HK G36 Top Rail Screw - HKP-20330 HK SL8, G36 Top Rail Screw

    HK SL8, G36 Top Rail Screw

    HKP HK Parts

    Now: $4.76
    Was: $5.95
    HK SL8 & G36 Top Rail Screw  This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...
    Now: $4.76
    Was: $5.95
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  • On Sale
    New - B&T Quick Detach Short Style Vertical Grip - Black - HKP-17679 B&T Vertical Foregrip - Short Style - Quick Detach
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    B&T Vertical Foregrip - Short Style - Quick Detach

    B&T Brugger & Thomet

    Now: $67.50
    Was: $75.00
    B&T Quick Detach Short Style Vertical Grip - Black Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of black polymer and includes a water tight storage compartment in the bottom of the...
    Now: $67.50
    Was: $75.00
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    Was: $75.00
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  • On Sale
    New - H&K 30 Round MP5, MP5K, SP5K Magazine Body - HKP-18212 HK MP5, HK94, SP89, SP5K Magazine Body - 9mm - 30 Round - Curved
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    HK MP5, HK94, SP89, SP5K Magazine Body - 9mm - 30 Round - Curved

    H&K Heckler & Koch

    Now: $49.46
    Was: $54.95
    H&K 30 Round MP5, MP5K, SP5K Magazine Body Heckler & Koch factory fresh magazine housing/body from this current year's production. MP5, MP5K 9mm 30 Round curved all steel magazine body stamped "Made In Germany". Compatible With HK MP5,...
    Now: $49.46
    Was: $54.95
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