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 UMP, USC Picatinny Rail Set - 4 Piece - BLEMISHED HK UMP, USC Picatinny Rail Set - 4 Piece - BLEMISHED
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    HK UMP, USC Picatinny Rail Set - 4 Piece - BLEMISHED

    USA

    Now: $86.22
    Was: $149.95
    HK UMP, USC Picatinny Rail Set - 4 Piece - BLEMISHED DOES NOT INCLUDE SCREWS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART...
    HKP-99494
    Now: $86.22
    Was: $149.95
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    Now: $86.22
    Was: $149.95
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    HK MP5 Handguard - Bottom Rail HK MP5 Handguard - Bottom Rail
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    HK MP5 Handguard - Bottom Rail

    Command Arms Accessories

    Now: $107.21
    Was: $189.95
    Command Arms HK MP5 Handguard - Bottom Rail Command arms bottom rail handguard for the MP5. Designed to replace the factory handguard with an aluminum Picatinny system, this setup provides a stable...
    HKP-99462
    Now: $107.21
    Was: $189.95
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    Now: $107.21
    Was: $189.95
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  • HK21 Bolt Head - FMP - NOS HK21 Bolt Head - FMP - NOS
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    HK21 Bolt Head - FMP - NOS

    FMP HK CONTRACT

    $784.95
    HK21 NOS Bolt Head - FMP Genuine new old stock FMP contract date-coded bolt head for the HK21 platform.  Perfect for a replacement or spare as these bolt heads are no longer in production. Compatible...
    HKP-22711
    $784.95
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  • HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" - MM HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" - MM
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    HK21, HK11 Barrel with Grip Handle and Flash Hider - 17.7" - MM

    Michaels Machines

    $1,478.95
    MM HK21 Barrel - 17.7" - CHF Michael's Machines HK21 barrels are crafted in the US from 41V50 CHF blanks and fully nitrided for optimal corrosion resistance. Each barrel ships complete with a factory...
    HKP-22534
    $1,478.95
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    $1,478.95
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    HK G36, UMP Handguard Handstop - BLEMISHED HK G36, UMP Handguard Handstop - BLEMISHED
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    HK G36, UMP Handguard Handstop - BLEMISHED

    OMEGA

    Now: $16.46
    Was: $29.95
    HK G36, UMP Handguard Handstop - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. HK G36 hand stop...
    HKP-22512-B
    Now: $16.46
    Was: $29.95
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    Now: $16.46
    Was: $29.95
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    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED
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    HK Linear Compensator - Threaded 5/8x24 RH - (5.56 & .308) - USED

    HKP HK Parts

    Now: $49.46
    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 A
    HKP-19338-USED
    Now: $49.46
    Was: $149.95
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    Now: $49.46
    Was: $149.95
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    HK94 Trigger Group - 0,1 - USED HK94 Trigger Group - 0,1 - USED
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    HK94 Trigger Group - 0,1 - USED

    H&K Heckler & Koch

    Now: $434.96
    Was: $799.95
    Heckler and Koch HK94 0,1 Trigger Group - USED ONLY 1 UNIT AVAILABLE - AS PICTURED Complete factory HK trigger group for the HK94 platform. This assembly includes the grip and trigger housin
    HKP-99385
    Now: $434.96
    Was: $799.95
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    Now: $434.96
    Was: $799.95
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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
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    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
    HKP-99382
    $389.95
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    $389.95
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    HK MP5 Sling Swivel Circlip HK MP5 Sling Swivel Circlip
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    HK MP5 Sling Swivel Circlip

    H&K Heckler & Koch

    Now: $3.71
    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...
    HKP-99368
    Now: $3.71
    Was: $7.95
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    Now: $3.71
    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
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    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...
    HKP-22484
    $27.95
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    $27.95
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  • On Sale
    HK416, MR556 Handguard - 12.5" - M-LOK - FDE HK416, MR556 Handguard - 12.5" - M-LOK - FDE
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    HK416, MR556 Handguard - 12.5" - M-LOK - FDE

    H&K Heckler & Koch

    Now: $386.95
    Was: $429.95
    H&K HK MR556/HK416 12.5" M-LOK Compatible Handguard Manufactured by HK from aircraft grade aluminum with a hard coat anodized finish, this M-LOK handguard is designed for the Heckler & Koch MR556 &...
    HKP-99323
    Now: $386.95
    Was: $429.95
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    Now: $386.95
    Was: $429.95
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