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 UMP & B&T APC Folding Stock - HKP-00252 HK UMP, B&T APC Folding Buttstock
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    HK UMP, B&T APC Folding Buttstock

    H&K Heckler & Koch

    $138.95
    HK German UMP Folding Buttstock  Brand new German HK folding stock. This is a required part for the USC-UMP Conversion using the (stock block B). All UMP folding buttstocks come with an HK date code. Compatible With: HK UMP HK USC-UMP...
    HKP-00252
    $138.95
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  • New - Magpul HK MP5, HK 94, HK 93, HK 91, PTR SL Grip Module Semi Shelf - Black - HKP-19320 HK MP5, HK94, HK93, HK91, PTR SL Grip Module Semi Shelf
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    HK MP5, HK94, HK93, HK91, PTR SL Grip Module Semi Shelf

    Magpul

    $59.95
    Magpul - SL Grip Module - HKMP5/94/93/91 & Semi Shelf & HK Clones The Magpul SL Grip Module is a high-strength, injection-molded polymer grip module for HK MP5/94/93/91 & Semi Shelf HK Clones*. Designed with improved ergonomics, a non-slip...
    HKP-19320
    $59.95
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  • New - HKP Armorer's Tool Kit - HKP-18659 HK Armorer's Tool Kit
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    HK Armorer's Tool Kit

    HKP HK Parts

    $67.95
    HKP Armorer's Tool Kit   Includes: HK Parts Armorers Puck Punch Bench Block Tool 8 Piece German Rennsteig punch set 20 Piece German Feeler gauge set
    HKP-18659
    $67.95
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  • New - H&K HK MR556/416 Enhanced Buffer Spring - HKP-00039 HK416, MR556 Buffer Spring - Enhanced
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    HK416, MR556 Buffer Spring - Enhanced

    H&K Heckler & Koch

    $19.95
    Heckler and Koch's Enhanced HK416 and HK416 Buffer Spring - HK German The HK MR556/416 buffer spring will also work with other AR-15 and M-16 rifles. It is a high-wear item and a must-have replacement part. Compatible With: HK416, MR556 HK416 A5 HK...
    HKP-00039
    $19.95
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  • New - HKP UMP/USC (.40 S&W/.45 ACP/9mm) Side, Bottom Rail With Hardware - HKP-00598
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    HK UMP, USC Rail Section - Hardware Included

    UTG

    $24.95
    UMP, USC Side, Bottom Rail With Mounting Hardware - Aluminum Listing is for one rail. The UMP/USC can use up to 3 of the rails on the forearm section of the firearm. 1 each for the sides and 1 for the bottom for a total of 3 rails. Each rail is made from...
    HKP-00598
    $24.95
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  • New - Holosun, HKP HK MP5 Reflex X2 / Optic Mount Bundle - Black - HKP-20735 HK MP5, SP5K, SP89, Optic Mount Bundle - Holosun Reflex X2
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    HK MP5, SP5K, SP89, Optic Mount Bundle - Holosun Reflex X2

    Holosun

    $394.95
    Holosun X2 - Red 2 MOA Dot & 32 MOA Circle - Optic Mount - Bundle - HK MP5 Includes:  (1) Holosun Reflex X2 MRS Red Solar (1) MP5 RMR Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver...
    HKP-20735
    $394.95
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  • Out Of Stock
    New - HK G36/SL8 (5.56/.223) Barrel Wrench - HKP-00283 HK G36, G36C, G36K, SL8 Barrel Wrench

    HK G36, G36C, G36K, SL8 Barrel Wrench

    $139.95
    Barrel Wrench for HK G36, G36C, G36K, SL8 Barrel wrench designed for all HK G36 and SL8 barrel lengths, from the 9" G36C to the 20" SL8. The tool uses a 3-point contact system for secure engagement and proper torque transfer on the barrel nut. A 3/8"...
    HKP-00283
    $139.95
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  • New - HKP HK MP5 Picatinny Rail Optic Mount - Raised - HKP-21489 HK MP5, MP5K Optic Mount - Raised - Picatinny - US
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    HK MP5, MP5K Optic Mount - Raised - Picatinny - US

    HKP HK Parts

    $109.95
    HKP HK MP5 Picatinny Rail Optic Mount HK Parts Picatinny style optic mount for the MP5 or MP5K.  Quickly mount any Picatinny optic to your HK while retaining a full view of the factory sights. Available exclusively at HK Parts. Compatible With: HK...
    HKP-21489
    $109.95
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  • New - KCI 10 Round HK MP5, MP5K - California Compliant Magazine - HKP-20669 HK MP5, SP5, MP5K, SP5K Magazine - 10 Round - 9mm - California Compliant - KCI
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    HK MP5, SP5, MP5K, SP5K Magazine - 10 Round - 9mm - California Compliant - KCI

    KCI

    $58.95
    California Complaint Magazine 10-30 - MP5, MP5K  - GEN 2 - KCI USA  This California compliant magazine has a 10 round block pre-installed which converts a factory 30 round magazine into a 10 round magazine. This is the best option to stay...
    HKP-20669
    $58.95
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  • HKP HK MP5 30 Round 9mm Magazine HKP HK Parts HKP-22274 HKP HK MP5 30 Round 9mm Magazine HKP HK Parts HKP-22274
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    HK MP5, MP5K, SP89 MP5 Magazine - 9mm - 30 Round - Turkish Contract

    Other

    $44.95
    Turkish Contract 30 Round MP5 Magazine - NEW These newly imported 30-round, 9mm, steel magazines were manufactured by a Turkish contractor for military use. These high-quality magazines are similar to MKE but are not MKE magazines. These 30 round MP5...
    HKP-22274
    $44.95
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  • New - HKP MP5 40/10 30 Round Magazine - HKP-16456 HK MP5 Magazine - 30 Round - .40 S&W, 10mm - US
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    HK MP5 Magazine - 30 Round - .40 S&W, 10mm - US

    HKP HK Parts

    $49.95
    HKP HK Parts 30 Round Magazine, US Made for HK MP5 40/10 HKP, US made 30 round magazine for MP5's chambered in .40 S&W, 10mm, .357 Sig, and 9x25 Dillon.  Each magazine counts as 3 US made components for satisfying 922r compliance. Compatible...
    HKP-16456
    $49.95
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  • New - HKP MP5SD Enhanced SD Shroud - HKP-15701
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    HK MP5SD Barrel Shroud - Enhanced

    HKP HK Parts

    $129.95
    HKP MP5SD weldable suppressor shroud for HK MP5 SD builds The HKP SD shroud is fully de-burred with the handguard attachment lugs being machined in from the outset, not welded, which is commonly found in aftermarket-style shrouds. Specifications: Made...
    HKP-15701
    $129.95
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