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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  • Used - H&K 91/G3/MSG90 (7.62x51/.308) 5 Round Magazine - Steel - Used - HKP-18924 HK91, G3, PTR Magazine - 5 Round - Used
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    HK91, G3, PTR Magazine - 5 Round - Used

    H&K Heckler & Koch

    $59.95
    German 5 Round Steel Magazine - G3, 91, CETME .308 - Like New Compatible With: HK G3, 91, PTR HK CETME, Clone or other custom builds HK PSG-1 HK MSG-90 HK 11
    HKP-18924
    $59.95
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  • New - H&K MP5 40/10 Bolt Hold Open Lever - HKP-01471
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    HK MP5 Bolt Catch Lever - .40 S&W, 10mm

    H&K Heckler & Koch

    $74.95
    H&K Heckler & Koch Bolt Hold Open Lever - German HK - New for MP5 40, MP5 10  A great upgrade for the out-of-spec and sub-par quality part found on clone builds. Compatible With: MP5 40 MP5 10mm MP5 .357 Sig MP5 9 X 25 Dillon
    HKP-01471
    $74.95
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  • New - H&K Cable Gun Lock - HKP-02442
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    HK Cable Gun Lock

    H&K Heckler & Koch

    $19.95
    HK Cable Gun Lock This is the same lock that ships with factory HK firearms.
    HKP-02442
    $19.95
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    $19.95
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  • New - H&K MR556 A4 11″ 5.56 M-LOK Upper Receiver Kit - HKP-21910 HK MR556 A4 Upper Receiver Kit - 11"-  M-LOK
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    HK MR556 A4 Upper Receiver Kit - 11"- M-LOK

    H&K Heckler & Koch

    $1,998.95
    H&K Heckler & Koch MR556 Upper Receiver Kit A4 -11″ - M-LOK  This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style rifles to be retrofitted to HK’s piston and pusher rod system. This...
    HKP-21910
    $1,998.95
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    $1,998.95
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  • New - H&K 95mm Picatinny Rail Cover - Black - HKP-18858 HK 95mm Picatinny Rail Cover
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    HK 95mm Picatinny Rail Cover

    H&K Heckler & Koch

    $29.95
    HK Rubber Picatinny Rail Cover - 95mm New factory HK rubberized Picatinny rail cover. Specifications: Rail cover dimensions: 95x26x7 mm Compatible With: HK Picatinny rails Other Picatinny railed applications
    HKP-18858
    $29.95
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  • New - H&K HK MR556/MR762/416 Fire Control Detent Stop Pin - HKP-15272
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    HK416, MR556, MR762 Fire Control Detent Stop Pin

    H&K Heckler & Koch

    $20.95
    H&K HK MR556/MR762/416 Fire Control Detent Stop Pin HK German manufacture. Compatible With: HK MR556 HK416 HK MR762
    HKP-15272
    $20.95
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  • New - H&K HK 416/MR556 Commercial Factory German E2 Rear Stock - Black - HKP-18360 HK416, MR556 E2 Buttstock - Commercial, Factory German
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    HK416, MR556 E2 Buttstock - Commercial, Factory German

    H&K Heckler & Koch

    $249.95
    HK416, MR556 Factory German E2 Stock - Commercial HK German Stock For All HK 416, MR556 Rifles The HKE2 Buttstock fits Commercial buffer tubes (receiver extensions) for M4/AR15 type weapons and has the concave style removable buttpad installed...
    HKP-18360
    $249.95
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  • New - G36E Bayonet Lug Assembly HK German - HKP-00354
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    HK G36E Bayonet Lug - Factory

    H&K Heckler & Koch

    $89.95
    HK German Factory G36E Bayonet Lug  Rare and hard to find. The inside diameter (ID) is 16mm in size. A great alternative for those that do SL8 conversions as well as M27 look clone barrel conversions. You will need the G36 bayonet lug roll pin as it...
    HKP-00354
    $89.95
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    $89.95
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  • New - HK UMP (.40 S&W/.45 ACP/9mm) Gunsmithing Bench Mat - hkp-17617 HK UMP Gunsmithing Bench Mat
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    HK UMP Gunsmithing Bench Mat

    HKP HK Parts

    $24.95
    HK UMP, USC Bench Mat, Gunsmithing Mat Our HK USC and HK UMP bench mat is the perfect cleaning and repair mat designed specifically for your Heckler and Koch models. Have fun and learn while you work on your favorite HK firearm. The soft top protects...
    hkp-17617
    $24.95
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  • New - H&K 93/53/33 (5.56/.223) Firing Pin - HKP-00192
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    HK33, HK53, HK93 Firing Pin

    H&K Heckler & Koch

    $79.95
    H&K 93, 53, & 33 (5.56/.223) Firing Pin This is the factory-correct HK German firing pin and is a great replacement part. This is also a great upgrade for your HK 223.556 clones. This part is no longer available from HK as this part is out of...
    HKP-00192
    $79.95
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  • New - MFI HK 93/33 (5.56/.223) Low Profile Scope Rail Extended - 8.5 inch - HKP-01829 HK33, HK93 Optic Mount - 212.5mm - Low Profile - Extended Picatinny Rail
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    HK33, HK93 Optic Mount - 212.5mm - Low Profile - Extended Picatinny Rail

    MFI

    $189.95
    MFI 8.5 Inch Mounting Rail For HK 93, 33, Style Receivers The MFI extended scope rail is a quick and easy solution to add a Picatinny top rail to your HK receiver without modifications. The low-profile rail does not impede the iron sights. The rail uses...
    HKP-01829
    $189.95
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  • New - HKP MP5 40/10 Magazine Floor Plate - HKP-16507 HK MP5 Magazine Floorplate - .40 S&W, 10mm - US
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    HK MP5 Magazine Floorplate - .40 S&W, 10mm - US

    HKP HK Parts

    $9.95
    HKP HK Parts Magazine Floor Plate for HK MP5 40,10 Great for spare parts and also a much needed US made compliant part for U.S. compliance.
    HKP-16507
    $9.95
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