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 - 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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    Was: $39.95
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  • On Sale
    New - Cleaning Kit - Soft Pouch - .308/7.62x51/.30 Cal. - HKP-21274 HK Rifle Cleaning Kit - Soft Pouch - 7.62 / .308 / .30
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    HK Rifle Cleaning Kit - Soft Pouch - 7.62 / .308 / .30

    Now: $9.95
    Was: $14.95
    Cleaning Kit - Soft Pouch NOS (new old stock) soft pouch cleaning kit for the .30 caliber family of firearms. Includes the following: Soft pouch Wicks and oiler canister (empty) Pull-through tubing  2 sets of brushes
    HKP-21274
    Now: $9.95
    Was: $14.95
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    Was: $14.95
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  • Used - H&K HK UMP 30 Round .40 Magazine - LEO Marked - HKP-20651 HK UMP 30 Round .40 Magazine - LEO Marked
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    HK UMP 30 Round .40 Magazine - LEO Marked

    H&K Heckler & Koch

    $64.95
    30 Round Magazine - LEO Marked - Used - UMP .40 S/W Each 30 round magazine will fit all HK UMP .40 caliber carbines, SMG's as well as the USC-UMP .40 caliber conversions. Used in good condition. The perfect option for those that like to collect LEO...
    HKP-20651
    $64.95
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    $64.95
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  • New - Bore Boss Pull-Through Bore Cleaner - 5.56mm/.223 - HKP-19402 Bore Boss Pull-Through Bore Cleaner - 5.56 / .223
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    Bore Boss Pull-Through Bore Cleaner - 5.56 / .223

    Real Avid

    $10.95
    Real Avid Bore Boss Pull-Through Bore Cleaner - 5.56mm/.223 From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece...
    HKP-19402
    $10.95
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  • Out Of Stock
    New - H&K HK MR556/MR762/416/417 Pistol Grip Screw - HKP-02679

    HK416, MR556, HK417, MR762 Pistol Grip Screw

    H&K Heckler & Koch

    $9.95
    H&K HK MR556/MR762/416/417 Pistol Grip Screw This is the screw used to retail all battle grips/pistol grips on the HK and standard AR15 and M16 firearms. Compatible With: HK MR556 HK416 HK MR762 HK417
    HKP-02679
    $9.95
    Out Of Stock
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  • Out Of Stock
    New - H&K HK53/HK51 Handguard - Full Length - HKP-00468 HK53, HK51 Handguard - Full Length

    HK53, HK51 Handguard - Full Length

    H&K Heckler & Koch

    $59.95
    H&K HK53/HK51 Handguard - Full Length H&K German manufactured HK51 and HK53 polymer handguard. This handguard is the proper length to cover the extended portion of the trunnion found on the HK53 and HK51 style of firearms. Compatible...
    HKP-00468
    $59.95
    Out Of Stock
    Qty in Cart: 0
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    $59.95
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  • New - Blitzkrieg PTR Spike Front Sight Gen 2 - Luminescent Green - HKP-21106 PTR Spike Front Sight - Gen 2 - Luminescent Green
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    PTR Spike Front Sight - Gen 2 - Luminescent Green

    Blitzkrieg Components

    $87.95
    Blitzkrieg PTR Spike Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight brings a modernized approach to this classic sighting system. Designed with a distinctive spike-tipped post and a vibrant Tritium dot paired with a Lumi...
    HKP-21106
    $87.95
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  • Out Of Stock
    Used - Dual/Single Optic Front Sight Screw - G36 - Extended - HKP-20894 HK G36, SL8 Front Sight Screw - Extended - Dual and Single Optics

    HK G36, SL8 Front Sight Screw - Extended - Dual and Single Optics

    USA

    $5.95
    Single Optic Front Sight Screw - G36 - Extended This is a required part if you want to install either the dual or single optic.    Compatible With: HK G36 HK SL8
    HKP-20894
    $5.95
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  • New - HKP HK G36K, HK G36C Side Rail - Black - HKP-00273 HK G36K, G36C Rail - Side
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    HK G36K, G36C Rail - Side

    HKP HK Parts

    $24.95
    HK Aftermarket G36K/G36C Side Rail For Handguard This will fit the sides (left or right) of the forearm on the G36K and G36C forearms. Comes with all mounting hardware. Each rail is sold individually.
    HKP-00273
    $24.95
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    $24.95
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  • New - H&K HK G36 & SL8 Firing Pin - All Variants - Black - HKP-00289
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    HK G36, SL8 Firing Pin - All Variants

    H&K Heckler & Koch

    $59.95
    HK German G36/SL8 Firing Pin This is a great spare to have on hand. The firing pin fits all G36, G36K, G36C & SL8 variants. Compatible With: HK G36/G36K/G36C HK SL8
    HKP-00289
    $59.95
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  • New - Choate PTR PDW & HK 51 (7.62x39) & (7.62x51/.308) Tactical Folding Stock - Adjustable - HKP-14537 HK51, PTR PDW Folding Stock - Adjustable
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    HK51, PTR PDW Folding Stock - Adjustable

    Choate

    $239.95
    Choate PTR PDW and HK51 Tactical Folding Stock - Adjustable The adjustable length system lets smaller-stature shooters or officers wearing body armor have a weapon that fits their needs. This stock also has spacers to allow the stock to be lengthened by...
    HKP-14537
    $239.95
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    $239.95
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  • New - H&K HK MR762/417 Gas Block Pin - HKP-16596
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    HK417, MR762 Gas Block Pin

    H&K Heckler & Koch

    $7.95
    H&K HK MR762/417 Gas Block Pin This is the retaining pin for an HK MR762 gas block. A must have as HK says you have to use new pins once they are removed. Compatible With: HK MR762 HK 417
    HKP-16596
    $7.95
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