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 HK MR762 Drop Safety Catch - HKP-16615 HK MR762 Drop Safety Catch
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    HK MR762 Drop Safety Catch

    H&K Heckler & Koch

    $19.95
    H&K HK MR762 Drop Safety Catch Compatible With: HK MR762
    HKP-16615
    $19.95
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    Qty in Cart: 0
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    $19.95
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  • New - HKP HK MR762 & HK 417 Rear Sight Drum - HKP-17776 HK417, MR762 Rear Sight Drum
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    HK417, MR762 Rear Sight Drum

    HKP HK Parts

    $29.95
    HKP HK MR762 & HK 417 Rear Sight Drum Made in the USA.
    HKP-17776
    $29.95
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    Qty in Cart: 0
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    $29.95
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  • New - H&K HK MR762/417 Hammer Axle - HKP-16622
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    HK417, MR762 Hammer Axle

    H&K Heckler & Koch

    $13.95
    H&K HK MR762/417 Hammer Axle   Compatible With: HK MR762 HK 417
    HKP-16622
    $13.95
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    $13.95
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  • New - H&K HK MR556/MR762 Fixed Tactical Sling Adapter - HKP-17553 HK MR556, MR762 Fixed Tactical Sling Adapter
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    HK MR556, MR762 Fixed Tactical Sling Adapter

    H&K Heckler & Koch

    $86.95
    HK MR556 & MR762 Factory Sling Adapter - Fixed Factory HK German design & the finest design available & made to last. New HK manufactured part to allow the factory HK416, MR762 slings  to fit & work on the MR556, MR762 as this adds...
    HKP-17553
    $86.95
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    Qty in Cart: 0
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    $86.95
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  • New - H&K HK 416/417 Buttstock Release Lever - HKP-18948 HK416, HK417 Buttstock Release Lever
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    HK416, HK417 Buttstock Release Lever

    H&K Heckler & Koch

    $21.95
    HK 416 & 417 Buttstock Release Lever
    HKP-18948
    $21.95
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    Qty in Cart: 0
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    $21.95
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  • On Sale
    New - Strike Industries HK 416 .22LR Crux KeyMod 9" Handguard - Black - HKP-17347 HK 416 .22LR Crux KeyMod 9" Handguard
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    HK 416 .22LR Crux KeyMod 9" Handguard

    Strike Industries

    Now: $159.95
    Was: $249.95
    CRUX KeyMod Handguard for HK416 .22 LR - 9 Inch Lightweight 9-inch KeyMod handguard designed for HK416, MR556, and 416 .22 platforms. This rail system reduces overall front-end weight compared to the factory assembly while providing accessory mounting...
    HKP-17347
    Now: $159.95
    Was: $249.95
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    Now: $159.95
    Was: $249.95
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  • Out Of Stock
    New - H&K UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - 3 Position - HKP-01854 HK UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - 3 Position

    HK UMP/G36 (.40 S&W/.45 ACP/9mm/5.56/.223) Notched Disk - 3 Position

    H&K Heckler & Koch

    $0.00
    HK Ratched Wheel Notched Disk For 3 Position Lowers Compatible With: HK G36 HK UMP
    HKP-01854
    $0.00
    Out Of Stock
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  • New - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight - Incomplete - HKP-16372 HK UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight - Incomplete
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    HK UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight - Incomplete

    H&K Heckler & Koch

    $49.95
    H&K UMP/USC (.40 S&W/.45 ACP/9mm) Rear Sight - Incomplete
    HKP-16372
    $49.95
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    $49.95
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  • Out Of Stock
    New - MM HK UMP (9mm) Barrel - 16.5 Inch - HKP-02282

    HK UMP Barrel - 9mm - 16.5 Inch

    Michaels Machines

    $549.95
    MM HK UMP (9mm) Barrel - 16.5 Inch   Fluted just like the factory HK barrels with 16 flutes.
    HKP-02282
    $549.95
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    $549.95
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  • Out Of Stock
    New - H&K 21E/23E (7.62x51/.308) & (5.56/.223) Carry Handle - HKP-00576

    HK21E, HK23E Carry Handle

    H&K Heckler & Koch

    $0.00
    HK German HK21E, HK23E Carry Handle New HK German factory HK carry handle for the HK21E, HK23E series of firearms. This offering is the handle only. The carry handle can also be adapted to standard HK21 models as well as the following firearms. HK21...
    HKP-00576
    $0.00
    Out Of Stock
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    $0.00
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  • New - PTR PDW (7.62x51/.308) 9 inch Barrel - HKP-02788 PTR PDW Barrel - 7.62 / .308 - 9" - SBR
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    PTR PDW Barrel - 7.62 / .308 - 9" - SBR

    PTR

    $189.99
    PTR PDW .308 Pistol or SBR Barrel- USA This part comes new in the white, never installed, and ready for the HK project. Features: Just under 9" inches long 1:10 twist U.S. made barrel counts as one 922r compliant part Please Note: Front sight towers...
    HKP-02788
    $189.99
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    $189.99
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  • Out Of Stock
    New - HKP PTR-32 (7.62x39) Complete Bolt Group - PDW - HKP-17387 HK PTR-32 Bolt Group - Complete - PDW

    HK PTR-32 Bolt Group - Complete - PDW

    HKP HK Parts

    $379.95
    US Made PTR 32 PDW Bolt Group Complete Semi-Auto. Factory correct bolt head and locking piece for use in the PTR 32 chambered in 7.62X39. Brand new May 2015 manufacture. This is the correct bolt for all PTR PDW with 8" barrels.
    HKP-17387
    $379.95
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    $379.95
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