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 - HKP HK21/FMP21 Teardrop Rail Set - HKP-21671 HK21, FMP21 Teardrop Rail Set - T-Rail
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    HK21, FMP21 Teardrop Rail Set - T-Rail

    HKP HK Parts

    $197.95
    HKP HK21/FMP21 Teardrop Rail Set HK teardrop style reinforcement rails. The ultimate choice for period correct builds. Expertly crafted in the USA from high-quality 4140 steel, these ready-to-weld rails are engineered for precision and durability...
    HKP-21671
    $197.95
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  • On Sale
    New - IMI 25 Round UZI Magazine - New Old Stock - HKP-21232 UZI Magazine - 25 Round - New Old Stock
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    UZI Magazine - 25 Round - New Old Stock

    IMI

    Now: $29.95
    Was: $48.95
    Uzi 25 Round 9mm Magazine - IMI Licensed - Mec-Gar Manufacture Made in Italy by the renowned Mec-Gar magazine manufacturing company with IMI Licensing. An all-steel production and a blued finish to help protect it against rust. These are the last...
    HKP-21232
    Now: $29.95
    Was: $48.95
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  • New - HKP HK MP5K Ace Style Stock - HKP-20953 HK MP5K Ace Style Stock
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    HK MP5K Ace Style Stock

    HKP HK Parts

    $164.95
    HKP HK MP5K Ace Style Stock MP5K billet ace adapter paired with an all-steel ace-style stock. 
    HKP-20953
    $164.95
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  • New - H&K HK G36, HK G36K, HK G36C Complete Bolt Head - HKP-00636 HK G36, G36K, G36C Bolt Head - Complete - Rare
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    HK G36, G36K, G36C Bolt Head - Complete - Rare

    H&K Heckler & Koch

    $599.95
    Heckler and Koch HK G36, G36K, G36C Complete Bolt Head Rare new German HK bolt head for the G36, G36K, and G36C. This is the correct factory bolt head needed when converting the SL8 to use double-stack G36 magazines. The assembly comes complete with all...
    HKP-00636
    $599.95
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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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  • Out Of Stock
    New - H&K 93/53/33 (5.56/.223) Magazine Clamp - HKP-00485

    HK33, HK53, HK93 Magazine Clamp

    H&K Heckler & Koch

    $107.95
    HK 93, HK 33 & HK 53 Magazine Clamp German HK dual mag clamp for all HK 93/33/53 magazines. Holds two magazines together for easy access and ease of use.  Compatible With: HK93 HK33 HK53 Clones and other custom builds
    HKP-00485
    $107.95
    Out Of Stock
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  • New - H&K MP5/MP5K Muzzle Protector Cap - 3-Lug - HKP-17666 HK MP5, MP5K Muzzle Protector Cap - 3-Lug
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    HK MP5, MP5K Muzzle Protector Cap - 3-Lug

    H&K Heckler & Koch

    $19.95
    H&K MP5, MP5K Muzzle Protector Cap - 3-Lug New HK German high-impact polymer muzzle protector, sealing cap. Simply slide the barrel cap over the exposed HK MP5, MP5K 3-lug barrel and remove when needed. A must have for sealing the muzzle end of the...
    HKP-17666
    $19.95
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    $19.95
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  • New - B&T MP5 Mounting Rail, Armasuisse Version - HKP-16864 HK MP5, SP5, HK94 Optic Mount - Armasuisse Version
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    HK MP5, SP5, HK94 Optic Mount - Armasuisse Version

    B&T Brugger & Thomet

    $219.95
    B&T MP5 Mounting Rail, Armasuisse Version   Compatible With: HK MP5, SP5 HK 94 MAC-5 clones may require custom fitment. Modified components are not eligible for return. In-spec clones & custom builds
    HKP-16864
    $219.95
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  • HK MP5, SP5K Extractor Spring - 9mm HK MP5, SP5K Extractor Spring - 9mm
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    HK MP5, SP5K Extractor Spring - 9mm

    MKE

    $6.95
    MKE HK MP5, MP5K - Extractor Spring - 9mm Extractor spring for all 9mm HK variants including clones. This spring is the #1 repair & replacement item for the MP5 and MP5K family of firearms. Compatible With: HK MP5 HK MP5K HK SP5 HK SP5K HK94 HK...
    HKP-22481
    $6.95
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    $6.95
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  • HK MP5 Magazine - 30 Round - 9mm - Molykote® HK MP5 Magazine - 30 Round - 9mm - Molykote®
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    HK MP5 Magazine - 30 Round - 9mm - Molykote®

    Other

    $36.95
    Molykote® Anti-Friction Coated Turkish Contract 30 Round MP5 9mm Magazine Molykote is a specialty coating formulated to reduce friction and wear between mating surfaces.  It not only works well, this robust finish looks good too.  Available...
    HKP-22479
    $36.95
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  • On Sale
    New - HKP (5.56/.223) A5 4 Prong Flash Hider - Threaded 1/2x28 - HKP-21275 HK416, MR556 Flash Hider - A5 4-Prong Style - Threaded 1/2x28
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    HK416, MR556 Flash Hider - A5 4-Prong Style - Threaded 1/2x28

    HKP HK Parts

    Now: $19.95
    Was: $39.95
    HKP (5.56x.223) A5 4 Prong Flash Hider - Threaded 1/2x28 Made from ordnance grade steel, heat treated, and nitrided for longevity. Machined correctly to reduce tuning fork noise. Counts as one US made compliant part. Available exclusively at HK Parts...
    HKP-21275
    Now: $19.95
    Was: $39.95
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    Now: $19.95
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  • New - JMAC Universal M-LOK Skeleton Forward Grip - HKP-21240 M-LOK Foregrip - Skeleton
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    M-LOK Foregrip - Skeleton

    JMAC Customs

    $89.95
    JMAC Universal M-LOK Skeleton Forward Grip  Can be used as a forward grip or a handstop! Features: Reversible and Lightweight M-LOK Compatible (Requires 2 slots) Fits in and across M-LOK Slots Includes mounting hardware 7075 T6 Aluminum Hard Coat...
    HKP-21240
    $89.95
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    $89.95
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