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 - H&K 91/G3 (7.62x51/.308) Firing Pin Spring - HKP-00498
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    HK91, G3 Firing Pin Spring

    H&K Heckler & Koch

    $9.95
    HK German HK G3, HK91, & PTR Firing Pin Spring This is a common repair and replacement item and is great for spares as this is a common breakage part.
    HKP-00498
    $9.95
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  • New - HKP Binary Selector Lever Set Screw - HKP-20686 HK Replacement Screw for BFS Selector Levers
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    HK Replacement Screw for BFS Selector Levers

    HKP HK Parts

    $1.98
    HKP Binary Selector Lever Set Screw This replacement screw is to mount your Franklin Armory BFS selectors. A great spare screw to replace damaged screws or lost screws as they are small in dimension and very easy to misplace. A must have set screw to...
    HKP-20686
    $1.98
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    $1.98
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  • New - H&K +2 Roller For Bolt Head 8.02mm - Over-sized - HKP-00507 HK MP5, HK53 Locking Roller for Bolt Head - 9mm - 8.02mm
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    HK MP5, HK53 Locking Roller for Bolt Head - 9mm - 8.02mm

    H&K Heckler & Koch

    $39.95
    H&K +2 Roller For Bolt Head 8.02mm - Over-sized New HK standard (8.02 mm) locking roller. The proper roller size is essential for a proper bolt gap. New HK German, not surplus or used out-of-spec part. Please Note: The price listed is per roller...
    HKP-00507
    $39.95
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  • On Sale
    New - AC-Unity HK MP5 Stock w/4 Rubber Pads - HKP-21634 HK MP5 Stock with 4 QD Rubber Buttstock Pads
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    HK MP5 Stock with 4 QD Rubber Buttstock Pads

    AC-Unity

    Now: $64.95
    Was: $129.95
    AC-Unity HK MP5 Stock with 4 Rubber QD Butt Pads MP5 side folding stock assembly from AC-Unity. This assembly includes four quick detach butt pads for a custom fit, prefect for any shooter.  Multiple sling attachments accomodate a wide range of...
    HKP-21634
    Now: $64.95
    Was: $129.95
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    Was: $129.95
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  • New - Thermold HK 91/G3/MSG90 (7.62x51/.308) 20 Round Magazine - HKP-02612 HK91, G3 Magazine - 20 Round - 7.62x51/.308
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    HK91, G3 Magazine - 20 Round - 7.62x51/.308

    Thermold

    $19.95
    Thermold HK91, G3 Magazine - 20 Round - 7.62x51/.308 - US Made This US-made magazine is made of space-age polymer. Also, it counts as three US-made compliance parts. Each magazine features a fail-safe follower non-corrosive (polymer magazine body)...
    HKP-02612
    $19.95
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  • New - Zenith 30 Round HK MP5 Magazine - LEO Marked - HKP-21612 HK MP5, MP5K, SP5, SP5K Magazine - 30 Round - LEO Marked
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    HK MP5, MP5K, SP5, SP5K Magazine - 30 Round - LEO Marked

    Zenith

    $52.95
    Zenith 30 Round HK MP5 Magazine - LEO Marked Replica LEO laser markings that closely resemble those found on factory magazines. These markings are expertly lasered onto Zenith magazines, successfully emulating the sought-after LEO markings of authentic...
    HKP-21612-M
    $52.95
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    $52.95
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  • New - UTG PRO Picatinny Scope Rail For HK Claw Mount - HKP-02042 Picatinny Optic Rail - Claw Adapter
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    Picatinny Optic Rail - Claw Adapter

    UTG PRO

    $14.95
    HK Claw Mount To Picatinny Style Rail This part allows all STANAG style scopes to accept the universal Picatinny style rail. Each rail adapter comes with rail and mounting hardware. This part adds 6 1/8 inches of rail space to the top of your claw mount...
    HKP-02042
    $14.95
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  • New - RCM MP5SD 9mm Locking Piece - 115 Degree - HKP-02192 HK MP5SD Locking Piece - 115 Degree - 9mm
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    HK MP5SD Locking Piece - 115 Degree - 9mm

    RCM

    $33.95
    RCM MP5SD 9mm Locking Piece - 115 Degree This locking piece is a US-made version of the factory German MP5SD 115-degree locking piece. Each locking piece is made 100% here in the USA from ordnance grade steel, heat treated, and made to last...
    HKP-02192
    $33.95
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  • New - AIM HK 91/G3 (7.62x51/.308) Full Length Handguard - M-LOK - HKP-18176 HK91, G3 Full Length Handguard - M-LOK
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    HK91, G3 Full Length Handguard - M-LOK

    AIM

    $99.95
    HK 91 RIFLE LENGTH HANDGUARD- M-LOK This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all M-LOK accessories. Superior ergonomics and simple, drop-in installation makes this the best HK pattern rail on...
    HKP-18176
    $99.95
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  • New - HKP HK MP5 30 Round Enhanced Magazine Spring - HKP-22157
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    HK MP5 Magazine Spring - 30 Round - Enhanced

    HKP HK Parts

    $8.95
    HKP HK MP5 30 Round Enhanced Magazine Spring US-made enhanced 30-round magazine spring for the MP5. Provides improved feeding reliability and consistent spring tension. Compatible With: HK MP5/K
    HKP-22157
    $8.95
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  • New - Zenith 30 Round HK MP5 Magazine - HKP-20832-M HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote

    Zenith

    $48.95
    Zenith 30 Round HK MP5 Magazine Features: Cerakote finish - Many colors to choose from All steel construction Round count indicator holes on the rear of the magazine Stainless steel follower Reinforced feed lips High-tensile compression...
    HKP-20832-M
    $48.95
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  • New - H&K MP5, HK94, MP5K, SP89 & SP5K Firing Pin - HKP-00061
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    HK MP5, HK94 Firing Pin

    H&K Heckler & Koch

    $49.95
    H&K MP5, HK94, MP5K, SP89 & SP5K Firing Pin - German Compatible With: MP5 HK94 MP5K SP89 SP5K 
    HKP-00061
    $49.95
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