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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  • On Sale
    New - MKE HK MP5 Rear Sights Locking Washer - HKP-22240
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    HK MP5 Rear Sights Locking Washer

    MKE

    Now: $1.95
    Was: $2.45
    MKE HK MP5 Rear Sights Locking Washer Secures the rear sight assembly on MKE and HK MP5 models to maintain proper alignment. Compatible With: Century Arms AP5 HK MP5/MP5K HK SP5/SP5K Will work with all 90 series firearms
    HKP-22240
    Now: $1.95
    Was: $2.45
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    Now: $1.95
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  • Out Of Stock
    New - H&K MR556 A4/416 Rear Takedown Pin - HKP-22029 HK416, MR556, HK417, MR762 Takedown Pin - Rear - A4 Style

    HK416, MR556, HK417, MR762 Takedown Pin - Rear - A4 Style

    H&K Heckler & Koch

    $43.95
    H&K MR556, HK416, HK417, MR762 Rear Takedown Pin Factory A4 rear takedown pin.  Will work for A1 and A4 applications.   Compatible With: HK MR556 A1 and A4 HK416 HK MR762 A1 and A4 HK417 AR-14, M4, M16    
    HKP-22029
    $43.95
    Out Of Stock
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    $43.95
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  • On Sale
    New - HKP HK33/53 Dual Magazine Clamp - HKP-21608-M HK33, HK53, HK93 Dual Magazine Clamp
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    HK33, HK53, HK93 Dual Magazine Clamp

    HKP HK Parts

    Now: $39.96
    Was: $49.95
    HKP HK33, HK53, HK93 Dual Magazine Clamp Securely hold two HK33 magazines together for fast mag swaps. Precision-machined from billet aluminum and anodized in the popular red or classic black. Our dual mag clamp is a must for those quick mag changes...
    HKP-21608-M
    Now: $39.96
    Was: $49.95
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  • Out Of Stock
    On Sale
    New - HKP HK21 Drum Hanger - HKP-21453 HK21 Drum Hanger

    HK21 Drum Hanger

    HKP HK Parts

    Now: $164.95
    Was: $195.95
    HKP HK21 Drum Hanger Our HK21 drum hanger is precisley machined from 4140 billet steel, heat-treated to 50 Rockwell, and parkerized for a durable finish. A lower cost alternative to the discontinued factory hanger, the HK Parts drum hanger is built for...
    HKP-21453
    Now: $164.95
    Was: $195.95
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    Now: $164.95
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  • New - Nefarious Arms HK 416 Gas Block Assembly Tool - HKP-21273 HK416 Gas Block Assembly Tool
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    HK416 Gas Block Assembly Tool

    Nefarious Arms

    $94.95
    Nefarious Arms HK 416 Gas Block Assembly Tool A Nefarious Arms creation for those that like to service or replace their 416 gas block. This assembly tool will effortlessly help you assemble or disassemble your 416 gas block by simply aligning the two...
    HKP-21273
    $94.95
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    $94.95
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  • Used - H&K 90 Series Trigger German HK - Refinished - HKP-20678 HK90 Series Trigger - Refinished
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    HK90 Series Trigger - Refinished

    H&K Heckler & Koch

    $19.95
    Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom builds
    HKP-20678
    $19.95
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    $19.95
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  • Out Of Stock
    New - H&K 45mm Picatinny Rail Cover - Black - Universal - HKP-18857 Picatinny Rail Cover - 45mm

    Picatinny Rail Cover - 45mm

    H&K Heckler & Koch

    $14.95
    H&K 45mm Picatinny Rail Cover - Universal New factory HK rubberized picatinny rail cover. Specifications: Rail cover dimensions: 45x26x7 mm Compatible With: HK picatinny rails Other Picatinny railed applications
    HKP-18857
    $14.95
    Out Of Stock
    Qty in Cart: 0
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  • New - HK417, MR762 Magazine Catch Retainer Ring - HKP-16521 HK417, MR762 Mag Catch Retainer Ring
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    HK417, MR762 Mag Catch Retainer Ring

    H&K Heckler & Koch

    $10.95
    Heckler and Koch Magazine Catch Retainer Ring for HK417 and HK MR762   Compatible With: H 417, MR762
    HKP-16521
    $10.95
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    $10.95
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  • HK416, MR556, HK417, MR762 Carrying Sling - FDE HK416, MR556, HK417, MR762 Carrying Sling - FDE
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    HK416, MR556, HK417, MR762 Carrying Sling - FDE

    H&K Heckler & Koch

    $169.95
    Heckler and Koch HK416, HK MR556, HK417, and HK MR762 Carrying Sling - FDE Compatible With: HK416, HK MR556 HK417, MR762 HK CR556 HK G28 Note: That on the MR556 model a sling adapter will be needed for the front attachment point as the MR556 lacks the...
    HKP-18491
    $169.95
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  • Out Of Stock
    New - HK G36 Backplate w/ Recoil Buffer - HKP-18538 HK G36 Backplate - Recoil Buffer - US

    HK G36 Backplate - Recoil Buffer - US

    USA

    $44.95
    HK G36 Backplate With Recoil Buffer New G36 Backplate with new G36/SL8 recoil buffer. This is a great spare or replacement to have on hand. These are also required for those that are doing the SL8-G36 conversions provided by Tommy Bostic & Chopstix...
    HKP-18538
    $44.95
    Out Of Stock
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  • New - HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) QD Sling Pin for Stock Block B - HKP-18776 HK UMP, USC Sling Pin, Stock Block B - QD
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    HK UMP, USC Sling Pin, Stock Block B - QD

    HKP HK Parts

    $74.95
    Quick Detach Sling Pin for Stock Block B - USC, UMP This Ambidextrous QD Sling Pin allows you to replace your Push Pin Style or Eyelet Sling Loop -  Style Pin in your Stock Block B for use of a QD Sling.
    HKP-18776
    $74.95
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    $74.95
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  • New - H&K MP5 40/10 Flash hider - 3-Lug - HKP-00442 HK MP5 Flash Hider - 3 Lug - .40 S&W, 10mm
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    HK MP5 Flash Hider - 3 Lug - .40 S&W, 10mm

    H&K Heckler & Koch

    $199.99
    HK Heckler and Koch's Flash Hider with 3-Lug Connection Fits all factory in-spec 3 Lug MP5 40,10 Barrels. Specifications: Made In Germany 3-Lug Compatible With: MP5
    HKP-00442
    $199.99
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    $199.99
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