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 21E/23E/11E (7.62x51/.308) & (5.56/.223) #9 Locking Piece - 40 Degree - HKP-00548 HK21E, HK23E, 11E Locking Piece #9 - 40 Degree
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    HK21E, HK23E, 11E Locking Piece #9 - 40 Degree

    H&K Heckler & Koch

    $149.95
    New HK German #9 Locking Piece The number 9 locking piece is 40 degrees. This will work with both .223 & .308 firearms and for custom builds and applications. This item is no longer available from HK and is out of production. Compatible With:...
    HKP-00548
    $149.95
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    $149.95
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  • New - H&K 91/G3 (7.62x51/.308) 4 Position (0,1,3,F) Burst Trigger Group - Push Pin - HKP-00208 HK91, G3 4 Position (0,1,3,F) Burst Trigger Group - Push Pin
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    HK91, G3 4 Position (0,1,3,F) Burst Trigger Group - Push Pin

    H&K Heckler & Koch

    $3,299.95
    HK 4 Position Burst Trigger Group - G3, 91, PTR - German HK  HK G3 & HK 91 4 Position (0,1,3,F) Burst Trigger Group Complete Factory German. Rare & Hard To Find. Setup in 7.63/.308 For Factory Swing down G3/91 Conversions Or Factory Full...
    HKP-00208
    $3,299.95
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    $3,299.95
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  • New - PTR HK 33/93/G3K Tactical Forearm - HKP-00367 HK33, HK93, G3K Tactical Handguard
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    HK33, HK93, G3K Tactical Handguard

    PTR

    $129.95
    HK 33, 93, G3K & PTR (shorter length) Tactical Hand Guard - US Made This robust tactical forearm allows the addition of either 2, 3, 4, or 6-inch bottom and side rails, giving you the greatest ability to customize your rails and configuration of any...
    HKP-00367
    $129.95
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    $129.95
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  • New - Brass Catcher For HK .308/762, 223/556 Rifles - HKP-00846 HK33, HK53, HK93, HK91, G3 Brass Catcher - 7.62 / .308 - 5.56 / .223
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    HK33, HK53, HK93, HK91, G3 Brass Catcher - 7.62 / .308 - 5.56 / .223

    E&L MFG

    $79.95
    E&L Mfg. HK91/G3 Brass Catcher - .308/762, 223/5.56 Rifles Rigid brass catchers are uniquely designed to conform to the shape of the firearm. Snaps on and off instantly and are made from strong, lightweight, black textured plastic. Each holds a...
    HKP-00846
    $79.95
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    $79.95
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  • New - H&K Bolt Locking Lever Pin/Cylindrical Pin - HKP-16913
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    HK Bolt Locking Lever Pin -Cylindrical Pin

    H&K Heckler & Koch

    $4.95
    Heckler and Koch Bolt Locking Lever Pin/Cylindrical Pin New HK91, G3, PTR-91 .308 & HK 93, 33, 53 Bolt Carrier Bolt Locking Lever pin (cylindrical pin). This item holds the locking lever & spring in place on the actual bolt head.
    HKP-16913
    $4.95
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    $4.95
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  • New - HKP 9mm Titanium Flash Hider - 3-Lug - HKP-18853 HK MP5, MP5K Flash Hider - 3-Lug - Satin Titanium - 9mm
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    HK MP5, MP5K Flash Hider - 3-Lug - Satin Titanium - 9mm

    HKP HK Parts

    $134.95
    HKP/H&K MP5/SP5 9mm Titanium Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug...
    HKP-18853
    $134.95
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    $134.95
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  • Used - H&K MP5 Rear Receiver Section - HKP-02167
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    HK MP5 Rear Receiver Section

    H&K Heckler & Koch

    $14.95
    H&K MP5 Rear Receiver Section HK German demilled receiver section with rear sight base as installed at the factory. MP5 & HK94 Factory HK rear sight bases (portion welded to MP5 receiver), you get the actual demilled section of an MP5 receiver...
    HKP-02167
    $14.95
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    $14.95
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  • New - H&K MR556 A4 Hammer Spring - HKP-22083
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    HK MR556 A4 Hammer Spring

    H&K Heckler & Koch

    $5.95
    H&K MR556 A4 Hammer Spring Genuine H&K hammer spring for the MR556 A4. Compatible With: HK MR556 A4
    HKP-22083
    $5.95
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    $5.95
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  • On Sale
    New - HKP MP5, HK94 & MP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED - HKP-18049-B
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    HK MP5, HK94, SP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED

    HKP HK Parts

    Now: $9.95
    Was: $33.95
    HKP MP5, HK94 & MP5K 100 Degree Locking Piece - Gunsmith Special - BLEMISHED   GUNSMITH SPECIAL.  THESE UNITS WILL NEED RE-WORK BEFORE USE. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL.   Please Note: Will...
    HKP-18049-B
    Now: $9.95
    Was: $33.95
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    Now: $9.95
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  • New - H&K 416 Front Takedown Pin - HKP-21862 HK416, MR556 Takedown Pin - Front - A4 Style
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    HK416, MR556 Takedown Pin - Front - A4 Style

    H&K Heckler & Koch

    $26.95
    H&K HK416, MR556 A4 Front Takedown Pin  The HK416 front takedown pin is a German-made component designed to securely fasten the upper and lower receivers. Precision-machined for a proper fit, it ensures reliable function and serves as an ideal...
    HKP-21862
    $26.95
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    $26.95
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  • On Sale
    New - HKP HK UMP/USC 4 Piece M-Lok Set - Anodized - HKP-21663-M HK UMP, USC 4 Piece M-Lok Set - Anodized
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    HK UMP, USC 4 Piece M-Lok Set - Anodized

    HKP HK Parts

    Now: $99.95
    Was: $149.95
    HKP HK UMP/USC 4 Piece M-Lok Set - Anodized  Upgrade your UMP and USC with the HK Parts 4-piece M-Lok set, designed to eliminate the hassle of snagging and shredding your knuckles on Picatinny rails. This exceptional set significantly expands the...
    HKP-21663-M
    Now: $99.95
    Was: $149.95
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    Now: $99.95
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  • New - MKE V51 VFI Retractable Stock - HKP-21469 Vector Arms V51 Retractable Stock
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    Vector Arms V51 Retractable Stock

    MKE

    $549.95
    MKE V51 A3 Retractable Stock:  Factory new MKE stock professionally converted with the correct collapsing length to fit Vector V51 rifles and pistols. This V51 stock was modified with a heavy profile, heat-treated collapsing rod insert for longevity...
    HKP-21469
    $549.95
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    $549.95
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