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 - Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel - HKP-00983 Harris Engineering Bipod 6-9" - Fully Adjustable With Swivel Harris Engineering HKP-00983
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    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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  • Used - H&K 91/G3 (7.62x51/.308) 20 Round Magazine - Steel - Refinished - HKP-21587 HK91, G3 20 Round Magazine - Steel - Refinished
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    HK91, G3 20 Round Magazine - Steel - Refinished

    H&K Heckler & Koch

    $57.95
    HK German 20 Round Steel Magazine - Refinished HK G3 factory steel 20-round magazine, expertly restored to its former glory. This magazine has been meticulously refinished inside and out, featuring a polished follower along with a fully parkerized finish...
    HKP-21587
    $57.95
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  • New - HKP HK MP5 9mm Receiver Flat - HKP-20921 HK MP5 Receiver Flat - 9mm
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    HK MP5 Receiver Flat - 9mm

    HKP HK Parts

    $189.95
    HKP HK MP5 9mm Receiver Flat New MP5 receiver flat made by the original German tool and die maker of the LSC receiver flat utilizing factory original German prints and specifications. The creator of our receiver flat has been regarded as the premier flat...
    HKP-20921
    $189.95
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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 - H&K UMP/USC (.40 S&W/.45 ACP/9mm) Magazine Release Spring - HKP-01899 HK UMP, USC Magazine Release Spring
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    HK UMP, USC Magazine Release Spring

    H&K Heckler & Koch

    $9.95
    HK UMP & USC Magazine Release Spring HK German factory mag release spring for all USC and UMP mag releases.  Compatible With:  USC lowers UMP lowers
    HKP-01899
    $9.95
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  • New - Choate HK 91/G3 (7.62x51/.308) Folding Stock - HKP-01950 HK91, G3 Folding Stock
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    HK91, G3 Folding Stock

    Choate

    $147.95
    HK91, G3, & PTR - Folding Stock The HK Choate side folding stock is complete with a sling swivel and a new German HK backplate, ready to drop on your favorite HK rifle. No gunsmith is needed as this is an easy-to-do drop in stock. Pull the two stock...
    HKP-01950
    $147.95
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  • New - H&K (5.56/.223) & (7.62x51/.308) Contact Piece For Paddle Mag Release - HKP-00465 HK91, G3, HK33, HK53, HK93 Paddle Magazine Release Contact Piece
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    HK91, G3, HK33, HK53, HK93 Paddle Magazine Release Contact Piece

    H&K Heckler & Koch

    $29.95
    HK .223/556 & 308 Contact Piece For Paddle Magazine Release German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK 33, 53, 93 HK G3, 91, PTR91
    HKP-00465
    $29.95
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  • New - B&T HK G3/91/PTR Low Profile Mount - Short Version - HKP-16869 HK91, G3 Optic Mount - Low Profile - Short Version
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    HK91, G3 Optic Mount - Low Profile - Short Version

    B&T Brugger & Thomet

    $144.95
    B&T Mounting Rail NAR Low Profile Mount For HK G3, 91, PTR, Short Version Compatible With: HK G3 HK91 PTR91 Specifications: Overall length: 3.25"
    HKP-16869
    $144.95
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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 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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  • New - Magpul HK G3 / HK 91 PRS Lite Stock - HKP-21170-M HK91, G3 Stock - PRS Lite
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    HK91, G3 Stock - PRS Lite

    Magpul

    $289.95
    Magpul HK G3 / HK 91 PRS Lite Stock New G3 / HK91 PRS Lite stock will allow you to shoot your rifle with comfort while adding some style. We take the PRS Lite stock and attach our HK - AR adapter with a refinished back plate to bring you an assembled...
    HKP-21170-M
    $289.95
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