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 - HKP HK G3, HK 33, HK 93, PTR Front Sight Tower Assembly - HKP-17830 HK33, HK93, G3 Front Sight Tower Assembly
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    HK33, HK93, G3 Front Sight Tower Assembly

    HKP HK Parts

    $49.87
    HKP HK G3, HK 33, HK 93, PTR Front Sight Tower Assembly New US made from a solid billet of ordnance grade steel. Each front sight tower, triple frame set comes complete with a new HK diopter style replaceable front sight post & roll pin. This is the...
    HKP-17830
    $49.87
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  • New - HKP HK MP5K Folding Stock w/ Adapter - Black - HKP-19550 HK MP5K Folding Stock w/ Adapter
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    HK MP5K Folding Stock w/ Adapter

    $269.95
    German Folding Stock with HK Parts Adapter - MP5K German folding stock with MP5K HK Parts Adapter. The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Compatible With: MP5K SP5K In spec clones  
    HKP-19550
    $269.95
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  • New - H&K UMP (.40 S&W/.45 ACP/9mm) Magazine Floor Plate - HKP-16493 HK UMP Magazine Floorplate - 9mm / .40 S&W / .45 ACP
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    HK UMP Magazine Floorplate - 9mm / .40 S&W / .45 ACP

    H&K Heckler & Koch

    $9.95
    HK German UMP Floorplate For All UMP Magazines  Compatible With: UMP .45 UMP .40 UMP 9mm These can become cracked or broken with use or drops onto hard surfaces.
    HKP-16493
    $9.95
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  • New - HKP MP5K SEF 5-Position Telscoping Stock - PDWC - HKP-17825 HK MP5K Retractable Stock - SEF - 5-Position - PDWC
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    HK MP5K Retractable Stock - SEF - 5-Position - PDWC

    HKP HK Parts

    $499.95
    HKP MP5K 9mm 5 Position Telscopic Stock - PDWC The stock rails collapse along the top ridge of the grip frame for the lowest profile stock ever produced for the MP5 family of firearms. Made in the USA. Includes: 5-position stainless steel nitrided...
    HKP-17825
    $499.95
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  • New - HKP Tactical Rail - 4" - HK91/93 - HKP-02528 HK91, G3 Tactical Rail - 4"
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    HK91, G3 Tactical Rail - 4"

    HKP HK Parts

    $12.95
    HKP Tactical Rail - 4 Inch The six mounting screws are also included with each rail. This rail will fit on either the left or right side or the bottom of the PTR and HK91/93 tactical handguards. Up to three rails can be used on each forearm. Compatible...
    HKP-02528
    $12.95
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  • New - H&K Trip Lever - Friction - HKP-02393 HK Trip Lever - Friction
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    HK Trip Lever - Friction

    H&K Heckler & Koch

    $24.95
    H&K Trip Lever - Friction This is the older friction-style trigger pack found on older HK trigger packs and all HK registered sear packs.
    HKP-02393
    $24.95
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  • New - H&K Standard 4 Position Burst Left Side Selector Lever - HKP-00123
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    HK MP5, MP5K Selector Lever, Left Side - Navy Trigger Groups

    H&K Heckler & Koch

    $399.95
    H&K Standard 4 Position Burst Left Side Selector Lever Compatible with any of the 0, 1, 3, F or 0, 1, 2, F trigger packs. Brand new HK German part. No longer available so get them while you can. 
    HKP-00123
    $399.95
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  • Out Of Stock
    New - Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel - HKP-00983 Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel Harris Engineering HKP-00983

    Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel

    Harris Engineering

    $149.95
    Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel This part is manufactured using high-quality parts to ensure excellent function and sustainable use. It attaches to a sling swivel stud. Carrying your rifle with a sling or shooting off-hand is...
    HKP-00983
    $149.95
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  • New - Timney HK MP5 9mm 2-Stage Trigger Complete - HK-20511-M HK MP5 2-Stage Trigger Group - 9mm - Complete
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    HK MP5 2-Stage Trigger Group - 9mm - Complete

    Timney Triggers

    $478.95
    Timney HK MP5 Trigger - 9mm - 2 Stage - Complete The SEF Timney trigger group comes completely assembled, ready to drop into your receiver. Features a 3rd generation German ejector lever, new SEF selector lever, and a brand new factory German housing...
    HK-20511-M
    $478.95
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  • New - AIM HK to AR15 Adapter - HKP-20891 HK91, G3, PTR PDW Stock Adapter - AR-15 Style
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    HK91, G3, PTR PDW Stock Adapter - AR-15 Style

    AIM

    $54.99
    HK91, G3, PTR PDW Stock Adapter - AR-15 Style The Aim Sports Inc HK to AR15 stock adapter for AR15 stocks. Works with any Mil-spec buffer tube and castle nut to use any Mil-spec AR15/M16 stock of your choice on your HK rifle, SBR, or pistol. With our...
    HKP-20891
    $54.99
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  • New - HKP Single Point Sling - Quick Detach - Tan - HKP-19766 HK Single Point Sling - Quick Detach -  Tan
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    HK Single Point Sling - Quick Detach - Tan

    NcSTAR

    $29.95
    HKP Single Point Sling in Tan - Quick Detach Specifications: Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic cover Heavy duty 1.5" wide adjustable nylon webbing and elastic bungee...
    HKP-19766
    $29.95
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  • New - HK SL8/G36 Extended Bolt Hold Open Lever - HKP-17719 HK SL8, G36 Bolt Hold Open Lever - Extended
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    HK SL8, G36 Bolt Hold Open Lever - Extended

    H&K Heckler & Koch

    $69.95
    HK SL8 & G36 Extended Bolt Hold Open Lever New HK German SL8, G36, HK243 bolt hold open lever. A must have upgrade for your HK SL8, Sl8-G36 conversion or G36 firearm. The HK bolt hold open lever is a drop in replacement and requires zero gunsmithing...
    HKP-17719
    $69.95
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