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 SL8/G36 Conversion Stock Block with Picatinny Rail - HKP-21574-M HK SL8 to G36 Stock Block - Conversion - Sling Pin - Picatinny Rail
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    HK SL8 to G36 Stock Block - Conversion - Sling Pin - Picatinny Rail

    HKP HK Parts

    $149.95
    HKP HK SL8/G36 Conversion Stock Block with Picatinny Rail SL8 to G36 stock block with Picatinny rail offers superior adjustability for the stock of your choice, making it an excellent choice for SL8 conversion projects. Crafted from billet and cerakoted...
    HKP-21574-M
    $149.95
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    $149.95
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  • New - MI Blast Can - 1/2x28 Thread (5.56/9mm) - HKP-21535 MI Blast Can - 1/2x28 Thread (5.56/9mm)
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    MI Blast Can - 1/2x28 Thread (5.56/9mm)

    MI Midwest Industries

    $38.95
    MI Blast Can 1/2x28 Thread (5.56/9mm) Specifications: Directs muzzle blast forward on short barrel rifles and pistols. Does not reduce recoil or flash. Constructed from 6061 aluminum, and hardcoat anodized for a lifetime of service 1/2x28 threads for 5...
    HKP-21535
    $38.95
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    $38.95
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  • New - JMAC Universal Picatinny 8" Stock with 1913 Folding Mech - HKP-21241-M Picatinny  8" Stock with 1913 Folding Mech
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    Picatinny 8" Stock with 1913 Folding Mech

    JMAC Customs

    $304.90 - $309.90
    JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding mechanisms 7075...
    HKP-21241-M
    $304.90 - $309.90
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  • New - MFI (5.56/.223) G28 Style Flash Hider - Threaded 1/2x28 - HKP-17941 MFI (5.56/.223) G28 Style Flash Hider - Threaded 1/2x28
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    MFI (5.56/.223) G28 Style Flash Hider - Threaded 1/2x28

    MFI

    $79.95
    MFI (5.56/.223) G28 Style Flash Hider - Threaded 1/2x28 The G28 2nd Gen flash hider features the latest style and is threaded 1/2x28. Constructed from ordnance-grade steel, it is finished with a semi-matte, mil-spec black oxide coating for enhanced...
    HKP-17941
    $79.95
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  • New - Lee Sporting LS5 HK MP5K Complete Trigger Group Flat Trigger - Semi shelf - HKP-20484 Lee Sporting LS5 HK MP5K  Complete Trigger Group Flat Trigger - Semi shelf
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    Lee Sporting LS5 HK MP5K Complete Trigger Group Flat Trigger - Semi shelf

    Lee Sporting / Magpul

    $549.95
    Lee Sporting LS5 HK MP5K Complete Trigger Group Flat Trigger The LS5 trigger group from Lee Sporting is a definitive ergonomic upgrade over the OEM grip, boasting a weight reduction of 4.3oz compared to the original. This billet aluminum trigger group is...
    HKP-20484
    $549.95
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  • New - HKP 10 Round MP5 .22LR Magazine Spring - HKP-20297
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    HK MP5 Magazine Spring - .22LR - 10 Round

    HKP HK Parts

    $3.95
    HKP 10 Round MP5 .22LR Magazine Spring New fresh production mag spring for your HK MP5 .22 magazine. Please note: This spring can also be used to convert the 10 round magazine to a 10 round magazine. It has come to our attention that Walther has made...
    HKP-20297
    $3.95
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    $3.95
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  • New - HK UMP .45 Magazine Locking Plate - HKP-20136 HK UMP Magazine Locking Plate - .45 ACP - US
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    HK UMP Magazine Locking Plate - .45 ACP - US

    USA

    $6.95
    HK UMP .45 Magazine Locking Plate   Made in the USA
    HKP-20136
    $6.95
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    $6.95
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  • HK MP5 Bolt Carrier - 9mm - Red HK MP5 Bolt Carrier - 9mm - Red
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    HK MP5 Bolt Carrier - 9mm - Red

    HKP HK Parts

    $189.95
    Bolt Carrier F/A - 9mm - HK Red - MP5 Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat-treated providing the finest American made carrier available.  This carrier has been...
    HKP-19535
    $189.95
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  • New - H&K HK MR762/417 Complete Buffer - HKP-16769 HK417, MR762 Complete Buffer
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    HK417, MR762 Complete Buffer

    H&K Heckler & Koch

    $129.95
    H&K HK MR762/417 Complete Buffer Specifications: Weight: 6.1 Oz Overall length: 3.20" OD: 1.18" Compatible With: HK MR762 HK 417
    HKP-16769
    $129.95
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  • Out Of Stock
    New - H&K HK MR556/416 Quad Rail w/ Flip Up Sight - Black - HKP-17710

    HK416, MR556 Handguard - Quad Rail with Flip Up Sight

    H&K Heckler & Koch

    $599.95
    HK 416A5 9" Quad Rail With Flip Up Front Sight New latest production HK 416A5, MR556 9" quad rail with integrated built in front flip up sight. Latest upgraded design with the laser markings for the adjustable gas block for suppressed and non-suppressed...
    HKP-17710
    $599.95
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  • New - H&K HK G36 Incomplete Single Optic Carrying Handle - HKP-16379 HK G36 Carrying Handle, Incomplete - No Single Optic
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    HK G36 Carrying Handle, Incomplete - No Single Optic

    H&K Heckler & Koch

    $149.95
    HK G36, SL8 Single Optic Carrying Handle Incomplete The optic housing- no optic included.
    HKP-16379
    $149.95
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  • Out Of Stock
    New - H&K G36/SL8 (5.56/.223) Factory Recoil Buffer - HKP-00290

    HK G36, SL8 Recoil Buffer - Factory

    H&K Heckler & Koch

    $20.95
    HK G36 Or SL8 Factory Recoil Buffer   A critical spare part as these buffers deteriorate with usage and time.    
    HKP-00290
    $20.95
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    $20.95
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