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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  • HK G36, UMP Handuard Handstop HK G36, UMP Handuard Handstop
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    HK G36, UMP Handuard Handstop

    OMEGA

    $29.95
    HK UMP and G36 Handstop HK G36 hand stop kit. Complete with locking block and screw. Fits any G36 handguard without the need of rail segment. Compatible With: All G36 Models HK SL8 HK UMP HK USC
    HKP-22512
    $29.95
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    $29.95
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  • On Sale
    HK SL8, G36, Sight Rail - Incomplete - BLEMISHED HK SL8, G36, Sight Rail - Incomplete - BLEMISHED
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    HK SL8, G36, Sight Rail - Incomplete - BLEMISHED

    H&K Heckler & Koch

    Now: $389.95
    Was: $598.95
    Heckler and Koch HK SL8, G36, Sight Rail - BLEMISHED VARYING CONDITION SHOWN - SOLD INDIVIDUALY DOES NOT INCLUDE FRONT AND REAR SIGHTS MISSING SCREWS - NO HARDWARE COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT...
    HKP-17718-IN-B
    Now: $389.95
    Was: $598.95
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    Now: $389.95
    Was: $598.95
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  • Out Of Stock
    On Sale
    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED

    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED

    HKP HK Parts

    Now: $65.95
    Was: $149.95
    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED ONLY 1 UNIT AVAILABLE - AS PICTURED USED PARTS ARE SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Linear compensators give you the best of both...
    HKP-19338-USED
    Now: $65.95
    Was: $149.95
    Out Of Stock
    Qty in Cart: 0
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    Now: $65.95
    Was: $149.95
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  • Out Of Stock
    HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE

    HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE

    H&K Heckler & Koch

    $389.95
    Heckler and Koch HK33, HK53, HK93 Magazine - 25 Round - LEO Marked - RARE ONLY 1 UNIT AVAILABLE Factory-original HK steel magazine for the HK93, HK53, and HK33 rifles. The rare 25-round configuration, combined with the LEO marking, makes this...
    HKP-99382
    $389.95
    Out Of Stock
    Qty in Cart: 0
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    $389.95
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  • On Sale
    HK MP5 628 Handguard with Light - USED HK MP5 628 Handguard with Light - USED
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    HK MP5 628 Handguard with Light - USED

    Surefire

    Now: $424.95
    Was: $499.95
    SureFire 628 Handguard with Integrated Yellow Light for HK MP5 ONLY 2 UNITS AVAILABLE - SOLD INDIVIDUALLY SureFire model 628 switch forearm designed for HK MP5 pattern firearms. This integrated handguard and weapon light assembly has been tested and is...
    HKP-99375
    Now: $424.95
    Was: $499.95
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    Now: $424.95
    Was: $499.95
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  • On Sale
    HK MP5 Sling Swivel Circlip HK MP5 Sling Swivel Circlip
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    HK MP5 Sling Swivel Circlip

    H&K Heckler & Koch

    Now: $4.95
    Was: $7.95
    Heckler and Koch Sling Swivel Circlip for HK MP5 Genuine Heckler and Koch sling swivel circlip designed for HK MP5 pattern firearms. This circlip secures the sling swivel assembly to the firearm and provides a correct factory-style attachment point for...
    HKP-99368
    Now: $4.95
    Was: $7.95
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    Now: $4.95
    Was: $7.95
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  • Out Of Stock
    HK21, HK23, HK11 Flash Hider - Threaded 15x1 RH HK21, HK23, HK11 Flash Hider - Threaded 15x1 RH

    HK21, HK23, HK11 Flash Hider - Threaded 15x1 RH

    HKP HK Parts

    $27.95
    HKP HK23, HK21, HK11 Flash Hider - Threaded 15x1 RH Steel flash hider designed for HK23, HK21, and HK11 pattern firearms and is threaded 15x1 right hand. Helps reduce visible muzzle flash while maintaining an original-style HK profile. Compatible...
    HKP-22484
    $27.95
    Out Of Stock
    Qty in Cart: 0
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    $27.95
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  • HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm
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    HK91, G3 Retractable Buttstock Retaining Ring - 19x1.2mm

    H&K Heckler & Koch

    $12.95
    HK91, G3 19x1.2mm Retaining Ring for A3 Retractable Buttstocks This 19x1.2 retaining ring (circlip-style) is used in the G3 and HK91 A3 retractable buttstock assembly to help retain the locking components in place for proper fit and function. Compatible...
    HKP-22482
    $12.95
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    Qty in Cart: 0
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    $12.95
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  • HK MP5, SP5 3-Lug Faux Suppressor - Early MP5SD Style HK MP5, SP5 3-Lug Faux Suppressor - Early MP5SD Style
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    HK MP5, SP5 3-Lug Faux Suppressor - Early MP5SD Style

    MFI

    $167.95
    HK MP5, SP5 3-Lug Faux Suppressor - Early classic SD Style MFI replicates the classic appearance of an early MP5SD suppressor. This new design enhances the authenticity of your build for those who aim to replicate a specific era. It is designed to fit...
    HKP-22439
    $167.95
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    Qty in Cart: 0
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    $167.95
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  • HK416, MR556 A4 Hammer Washer HK416, MR556 A4 Hammer Washer
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    HK416, MR556 A4 Hammer Washer

    H&K Heckler & Koch

    $58.95
    Heckler and Koch Hammer Washer for HK MR556 OEM hammer washer for HK MR556 and HK416 rifles. Factory-spec replacement washer for the hammer assembly, ideal for repairs, rebuilds, or returning rifles to original HK configuration. Compatible...
    HKP-22434
    $58.95
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    $58.95
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  • HK MR762 A4 Upper Receiver Kit - 16" HK MR762 A4 Upper Receiver Kit - 16"
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    HK MR762 A4 Upper Receiver Kit - 16"

    H&K Heckler & Koch

    $2,449.95
    HK UPPER RECEIVER KIT MR762 A4 - 16" The MR762 A4 upper kit contains a complete upper receiver and barrel assembly. The closed system design significantly reduces malfunctions typically associated with direct-impingement gas systems, as hot carbon...
    HKP-22424
    $2,449.95
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    Qty in Cart: 0
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    $2,449.95
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  • HK416, MR556 Pistol Grip - Walnut HK416, MR556 Pistol Grip - Walnut
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    HK416, MR556 Pistol Grip - Walnut

    JMK

    $78.95
    JMK HK416, MR556 pistol grip - Walnut The pistol grip by JMK is made from CNC-machined black walnut. After machining, the grip is dyed to ensure a uniform color and is finished with a catalyzed satin seal. These grips are compatible with any firearm that...
    HKP-22400-M
    $78.95
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    Qty in Cart: 0
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    $78.95
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