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 MR556/MR762/416 Extractor Spring Buffer - HKP-00051
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    HK416, MR556, MR762 Extractor Spring Buffer

    H&K Heckler & Koch

    $14.95
    H&K HK MR556/MR762/416 Extractor Spring Buffer This buffer fits inside the extractor spring in the extractor pocked of the bolt. This item is a high wear item and a spare would be highly advised. Compatible With: HK MR556 HK 416 HK MR762
    HKP-00051
    $14.95
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  • Out Of Stock
    New - H&K HK MR556/416 Handguard Picatinny Quad Rail - FDE - HKP-18553 HK416, MR556 Handguard - 9.75" Quad Rail - RAL8000 - Picatinny

    HK416, MR556 Handguard - 9.75" Quad Rail - RAL8000 - Picatinny

    H&K Heckler & Koch

    $489.95
    H&K HK MR556/416 Handguard Picatinny Quad Rail - 9.75" - RAL 8K Handguard with Picatinny quad rail profile on 3, 6 and 9 o'clock, STANAG 4694 profile on 12 o'clock. New HK German. Compatible With: All 14.5", 16.5", & 20" models HK MR556 HK...
    HKP-18553
    $489.95
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    $489.95
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  • New - H&K 21E/11E (7.62x51/.308) Extractor Spring - HKP-00815
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    HK21E, HK11E Extractor Spring

    H&K Heckler & Koch

    $24.95
    HK21E & 11E Factory Extractor Spring Made by HK Germany for all HK21E's and 11E's.
    HKP-00815
    $24.95
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  • New - HKP MP5K/SP89/SP5K 9mm Cocking Tube - HKP-01838
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    HK MP5K, SP89, SP5K Cocking Tube - 9mm

    HKP HK Parts

    $84.95
    MP5K, SP89, MP5K-N, MP5K-PDW Cocking Tube - USA This part is built to exact HK German specifications. The only MP5K cocking tube on the market that is a duplicate from factory HK German prints and specs.  Compatible With: HK MP5K, SP89,...
    HKP-01838
    $84.95
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  • New - HKP MP5K 9mm Trunnion - HKP-17964 HK MP5K Trunnion - 9mm
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    HK MP5K Trunnion - 9mm

    HKP HK Parts

    $57.95
    HK MP5K Trunnion - USA US made to exact factory HK specifications for the HK MP5K type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are the best USA made trunnions on the market. Machined to HK spec...
    HKP-17964
    $57.95
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  • New - HKP MP5K/SP89/SP5K 9mm Cocking Tube & Support Set - HKP-00184
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    HK MP5K, SP89 Cocking Tube - 9mm - Support Set

    HKP HK Parts

    $129.95
    HKP MP5K/SP89/SP5K 9mm Cocking Tube & Support Set Specifications: Construction: Hard Coated Titanium Color: Matte Black Weight: 1.7 oz. Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse stretch builds, clones, or other custom builds
    HKP-00184
    $129.95
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  • On Sale
    New - H&K 9mm Thread Protector - Threaded 1/2x32 RH - HKP-00108
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    HK MP5, SP5K Thread Protector - 9mm - 1/2x32 RH

    H&K Heckler & Koch

    Now: $32.95
    Was: $39.95
    H&K 9mm Thread Protector - Threaded 1/2x32 RH A great replacement item for lost or damaged thread protectors & caps. This part is compatible with all factory-spec MP5 Navy or MP5KN barrels. Specifications: Overall Length .610" Threaded 1/2x32...
    HKP-00108
    Now: $32.95
    Was: $39.95
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    Now: $32.95
    Was: $39.95
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  • HK MP5, MP5K Optic Mount - Raised - Aimpoint ACRO, T1, T2 - Picatinny HK MP5, MP5K Optic Mount - Raised - Aimpoint ACRO, T1, T2 - Picatinny
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    HK MP5, MP5K Optic Mount - Raised - Aimpoint ACRO, T1, T2 - Picatinny

    MI Midwest Industries

    $104.95
    Midwest Industries HK MP5, MP5K Tall Optic Mount Tall, clamp-on optic mount for HK MP5 and MP5K pattern firearms, giving a higher, more upright sightline while still allowing use of the factory diopter sights. Ideal for mounting micro red dots with a...
    HKP-22396-M
    $104.95
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    $104.95
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  • New - H&K HK MP5/MP5K 30 Round - LEO Marked Magazine - TiN Coated - HKP-21792 HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked
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    HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - LEO Marked

    H&K Heckler & Koch

    $159.95
    H&K HK MP5/MP5K 30 Round - LEO Marked Magazine - TiN/CRN Coated Elevate your collection with our TiN coated factory Heckler & Koch magazines. Each magazine begins as a new German 30-round 9mm mag that is expertly disassembled, TiN coated,...
    HKP-21792-M
    $159.95
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  • Used - H&K SP5K Spec Only 9mm SEF Navy Style Housing - Clipped & Pinned - USED - HKP-20064 HK SP5K Spec Only 9mm SEF Navy Style Housing - Clipped and Pinned - USED
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    HK SP5K Spec Only 9mm SEF Navy Style Housing - Clipped and Pinned - USED

    H&K Heckler & Koch

    $149.95
    H&K SP5K Spec Only 9mm SEF Navy Style Housing - Clipped & Pinned - USED Hand-selected for the highest quality, these "like new" H&K SP5K SEF style trigger housings have been meticulously clipped and pinned to fit the correct SP5K style shelf...
    HKP-20064
    $149.95
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  • New - SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1 - HKP-19507 ASR AC233 Flash Hider - .30 CAL - Threaded 15x1
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    ASR AC233 Flash Hider - .30 CAL - Threaded 15x1

    SilencerCo

    $92.95
    SilencerCo ASR .30 Cal AC233 Flash Hider - Threaded 15x1 The SilencerCo ASR .30 Cal AC233 Flash Hider is designed for use with ASR (Active Spring Retention) mounts, providing a quick attach/detach system compatible with nearly all SilencerCo suppressors...
    HKP-19507
    $92.95
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    $92.95
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  • New - H&K HK 93/53/33 (5.56/.223) 30 Round Magazine Spring - HKP-14411
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    HK33, HK53, HK93 Magazine Spring - 30 Round

    H&K Heckler & Koch

    $8.45
    HK 93,33, & 53 Magazine Replacement Spring For Steel German HK 30-Round Magazines This is a hard-to-find and must-have spare part for your HK high-capacity mags. Please Note: Although not factory correct, these springs will work in the 25-round HK 93...
    HKP-14411
    $8.45
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    $8.45
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