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 HK G3 Front Sight Ring - HKP-21641
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    HK G3 Front Sight Ring

    H&K Heckler & Koch

    $7.95
    H&K HK G3 Front Sight Ring Factory HK replacement front sight ring. Compatible With: HK G3
    HKP-21641
    $7.95
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    Qty in Cart: 0
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    $7.95
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  • On Sale
    New - AIM HK 91/G3 (7.62x51/.308) Extended Carbine Length Handguard - M-LOK - BLEMISHED - HKP-18172-B HK91, G3 Extended Carbine Length Handguard - M-LOK - BLEMISHED
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    HK91, G3 Extended Carbine Length Handguard - M-LOK - BLEMISHED

    AIM

    Now: $51.95
    Was: $74.95
    AIM HK 91/G3 (7.62x51/.308) Extended Carbine Length Handguard - M-LOK - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The most innovative and modular...
    HKP-18172-B
    Now: $51.95
    Was: $74.95
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    Now: $51.95
    Was: $74.95
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  • New - RCM HK MP5 & MP5K 40/10 SD 120 Degree Locking Piece - HKP-21524 HK MP5, MP5K 40/10 SD 120 Degree Locking Piece
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    HK MP5, MP5K 40/10 SD 120 Degree Locking Piece

    RCM

    $44.95
    RCM HK MP5 & MP5K 40/10 SD 120 Degree Locking Piece Compatible With:  MP5/K 10  MP5/K 40 
    HKP-21524
    $44.95
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    $44.95
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  • Out Of Stock
    New - H&K HK MR762 Factory Flash Hider - 15x1 RH - HKP-21481 HK MR762 Factory Flash Hider - 15x1 RH

    HK MR762 Factory Flash Hider - 15x1 RH

    H&K Heckler & Koch

    $54.95
    H&K HK MR762 Factory Flash Hider - 15x1 RH Factory flash hider with 15x1 right-hand threads. Perfect for completing a build or replacing a worn or missing part. Compatible With: HK MR762  
    HKP-21481
    $54.95
    Out Of Stock
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  • On Sale
    New - TPM - Remington 700 - 30 MOA - Scope Base Long Action -Tungsten - HKP-20772 Remington 700 - 30 MOA - Scope Base Long Action -Tungsten
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    Remington 700 - 30 MOA - Scope Base Long Action -Tungsten

    Tactical Precision MFG

    Now: $38.95
    Was: $76.99
    TPM Remington 700 Scope Base Long Action 30 MOA These tight tolerance, bomb proof scope rail allow the shooter to make best use of the scope's elevation adjustment for those long-range shots and engagements with 30 MOA options and will match factory...
    HKP-20772
    Now: $38.95
    Was: $76.99
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    Now: $38.95
    Was: $76.99
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  • Out Of Stock
    New - H&K HK 416 & HK MR556 Assembly Wrench Tool - HKP-20616 HK416, MR556 Assembly Wrench Tool

    HK416, MR556 Assembly Wrench Tool

    H&K Heckler & Koch

    $699.95
    H&K HK 416 & HK MR556 Assembly Wrench Tool Factory HK German multi-tool for the HK416 and MR556. The perfect tool for a complete breakdown. 
    HKP-20616
    $699.95
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    $699.95
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  • On Sale
    New - KDG HK MR556 13.75" M-LOK Rail System - Black - HKP-19244 HK416, MR556 Rail System - 13.75" - M-LOK, Picatinny
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    HK416, MR556 Rail System - 13.75" - M-LOK, Picatinny

    KDG Kinetic Development Group

    Now: $259.95
    Was: $399.95
    Rail System - 13.75" - M-LOK - HK MR556 The New KDG HK 556 M-LOK rails are direct mount rail system, replacing the factory HK 556 rail systems. These new rails are identical in design to their big brother, the KDG HK 762 M-LOK Rail system. Like the 762...
    HKP-19244
    Now: $259.95
    Was: $399.95
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    Now: $259.95
    Was: $399.95
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  • New - HKP HK33 11" LH Cocking Tube - HKP-18892 HK33 Cocking Tube - 11" - Left Hand
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    HK33 Cocking Tube - 11" - Left Hand

    HKP HK Parts

    $99.95
    HKP HK33 11" Left Hand Cocking Tube This is the one and only left handed cocking tube for the HK33 cocking tube made in the US. Made to the exact HK specifications as the factory HK33 German cocking tube. Overall length is 11".
    HKP-18892
    $99.95
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    $99.95
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  • Out Of Stock
    New - H&K HK SL8-1 Clamping Sleve - HKP-16401

    HK SL8-1 Safety Clamping Sleeve

    H&K Heckler & Koch

    $8.95
    H&K HK SL8-1 Clamping Sleve
    HKP-16401
    $8.95
    Out Of Stock
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  • Used - H&K HK SL8-1 Rear Sight - HKP-16374 HK SL8-1 Rear Sight
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    HK SL8-1 Rear Sight

    H&K Heckler & Koch

    $39.95
    H&K HK SL8-1 Rear Sight
    HKP-16374
    $39.95
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    $39.95
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  • Out Of Stock
    New - H&K HK G36 to AR-15 Mag Conversion Magwell - RAL 8K - HKP-17691 HK G36 Magazine Conversion to AR-15 Magwell - RAL8000

    HK G36 Magazine Conversion to AR-15 Magwell - RAL8000

    H&K Heckler & Koch

    $259.95
    HK G36 To AR15, M4 Magazine Conversion Magwell - RAL 8K Simply swap the magazine well from the G36 to this offering and you can then run AR15/M4 style magazine in your G36 or SL8/G36 conversion. Allows Use Of All AR15-M4 magazines in the G36 with this...
    HKP-17691
    $259.95
    Out Of Stock
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    $259.95
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  • Out Of Stock
    New - H&K HK G36 Incomplete Bolt Group Carrier - Black - HKP-16434 HK G36 Bolt Group Carrier - Incomplete

    HK G36 Bolt Group Carrier - Incomplete

    H&K Heckler & Koch

    $495.99
    HK G36 Bolthead Carrier Incomplete This is not compatible with a HK SL8.
    HKP-16434
    $495.99
    Out Of Stock
    Qty in Cart: 0
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    $495.99
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