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 (5.56/.223) & (7.62/.308) Muzzle Brake Compensator - Threaded 15x1 RH - HKP-19738 Muzzle Brake Compensator - Threaded 15x1 RH - 5.56 / .223, 7.62 / .308
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    Muzzle Brake Compensator - Threaded 15x1 RH - 5.56 / .223, 7.62 / .308

    HKP HK Parts

    $29.95
    HKP HK Parts 5.56 / .223 and 7.62 / .308 Muzzle Brake Compensator, Threaded 15x1 RH   This compensator is perfect for any 15x1 RH Barrel. Specifications: Threaded 15x1 RH Compatible With: HK91, G3, PTR HK33, HK53, HK93 MR223 HK416, MR556 HK417,...
    HKP-19738
    $29.95
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  • New - HDPS HK UMP (.45 ACP) Threaded Barrel - 16x1 LH - HKP-02634 HK UMP Barrel - .45 ACP - 7.87" - Threaded 16x1 LH
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    HK UMP Barrel - .45 ACP - 7.87" - Threaded 16x1 LH

    HDPS

    $349.95
    HK UMP & USC 45 ACP 8" Threaded Barrel HDPS UMP barrels are perfect for the USC to UMP conversions and a replacement UMP .45 barrel. They are considered by many to be the finest US-made barrel available. This barrel is the same length as a factory HK...
    HKP-02634
    $349.95
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  • Out Of Stock
    HK MP5 Surefire Lighted Handguard - 328LMF HK MP5 Surefire Lighted Handguard - 328LMF

    HK MP5 Surefire Lighted Handguard - 328LMF

    Surefire

    $649.95
    Surefire - 328LMF - Lighted Handguard The SureFire 328LMF-B replaces the original handguard of your HK MP5, HK53, or HK94. Compact 3-volt (1-battery) system features a virtually indestructible LED emitter focused by a TIR lens, which produces a brilliant...
    HKP-17632
    $649.95
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    $649.95
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  • New - H&K MP5 & MP5K 9mm Anti-Rattle Roller Tipped "Paddle" Magazine Release - HKP-00117 HK MP5, MP5K Magazine Release Paddle - Anti-Rattle Roller-Tip - 9mm
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    HK MP5, MP5K Magazine Release Paddle - Anti-Rattle Roller-Tip - 9mm

    H&K Heckler & Koch

    $64.95
    Heckler and Koch Anti-Rattle Roller Tipped "Paddle" Magazine Release for HK MP5, MP5K Factory German made Paddle mag release for all 9mm MP5, MP5K HK builds. Our parts are made by HK in Germany and are factory-fresh production. Compatible With: MP5,...
    HKP-00117
    $64.95
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  • New - H&K MP5, HK94 Case Deflector Rivet - HKP-00147 HK MP5, HK94 Case Deflector Rivet
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    HK MP5, HK94 Case Deflector Rivet

    H&K Heckler & Koch

    $9.95
    H&K MP5, HK94 Case Deflector Rivet Each case deflector, US or German-made, will require two rivets to attach the case deflector to the receiver or flat. If you want the factory look and feel of doing it right, these rivets are a must-have. These are...
    HKP-00147
    $9.95
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  • New - HKP HK UMP .45 ACP Magazine Block - HKP-18171 HK UMP Magazine Block - .45 ACP - 25 to 10 Round Conversion
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    HK UMP Magazine Block - .45 ACP - 25 to 10 Round Conversion

    HKP HK Parts

    $9.95
    HKP HK UMP .45 ACP Magazine Block UMP mag block plug to limit the magazine capacity to 10 rounds for states with capacity restrictions. This is designed to use on the HK UMP .45 25 round magazine. Very easy to install & use. Compatible With: HK UMP ...
    HKP-18171
    $9.95
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  • New - RCM HK 21E/23E (7.62x51/.308) & (5.56/.223) Locking Piece #9 - 40 Degree - HKP-02521 HK21E, HK23E Locking Piece #9 - 40 Degree
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    HK21E, HK23E Locking Piece #9 - 40 Degree

    RCM

    $49.95
    Locking Piece #9 - 40 Degree - US Made Compatible With: HK 21e HK 23e
    HKP-02521
    $49.95
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  • Used - H&K MP5 A3 Stock - Surplus - Good Condition - HKP-16659 H&K MP5 A3 Stock - Surplus - Good Condition H&K Heckler & Koch HKP-16659
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    HK MP5 A3 Retractable Buttstock - Surplus - Good Condition

    H&K Heckler & Koch

    $617.95
    Military German manufactured A3 Retractable Stock - Used Each Used German HK stock will vary from Fair-Good Shape (early 80's manufacture) A one-time offering of some well used German military stocks that need some TLC and a refinish to get them looking...
    HKP-16659
    $617.95
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  • Used - H&K MP5K/SP5K SEF Universal Housings - Clipped & Pinned - USED - HKP-21352 HK MP5K, SP5K Trigger Housing - Universal SEF - Clipped and Pinned - USED
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    HK MP5K, SP5K Trigger Housing - Universal SEF - Clipped and Pinned - USED

    H&K Heckler & Koch

    $99.95
    H&K Heckler and Koch SEF Universal Housing Clipped and Pinned - USED for HK MP5K HK SP5K Finally, a solution everyone was looking for. A one size fits all approach for the MP5K and SP5K style semi-auto shelf. You can easily swap the lower trigger...
    HKP-21352
    $99.95
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  • New - HKP Single Point Leather & Cotton Sling - HKP-21321-M HK Single Point Leather & Cotton Sling
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    HK Single Point Leather & Cotton Sling

    HKP HK Parts

    $59.95
    Single Point Leather & Cotton Sling  Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a...
    HKP-21321-M
    $59.95
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  • New - H&K Burst Trigger Group Armorers Manual - HKP-00102
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    HK Armorers Manual for Burst Trigger Groups

    H&K Heckler & Koch

    $19.95
    H&K Burst Trigger Group Armorers Manual This manual will help with the disassembly, repair, and maintenance of all HK burst trigger groups.
    HKP-00102
    $19.95
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  • Out Of Stock
    On Sale
    New - MKE HK MP5 Hammer Axle - HKP-22227 MKE HK MP5 Hammer Axle MKE HKP-22227

    HK MP5, HK90 Series Hammer Axle

    MKE

    Now: $1.98
    Was: $2.99
    MKE HK MP5 Hammer Axle MKE Hammer axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .237 inches (6.0mm). A great spare and must have spare part for anyone that owns an HK 90 series of firearm or trigger packs. Compatible...
    HKP-22227
    Now: $1.98
    Was: $2.99
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    Now: $1.98
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