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 MP5K 0,1,3 Burst Trigger Housing or Frame - HKP-01684 HK MP5K 0,1,3 Burst Trigger Housing or Frame
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    HK MP5K 0,1,3 Burst Trigger Housing or Frame

    H&K Heckler & Koch

    $224.95
    MP5K & SP89 Ambidextrous Grip Frame, Trigger Housing marked with the safe, semi & 3rd burst options only (3 position burst only housing). A Genuine Heckler and Koch part. This housing is made for ambidextrous trigger configurations. Trigger Pack...
    HKP-01684
    $224.95
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    $224.95
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  • On Sale
    New - TPM - Drake Bolt Knob - Titanium - HKP-20782 Bolt Knob - Drake - Titanium
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    Bolt Knob - Drake - Titanium

    Tactical Precision MFG

    Now: $24.95
    Was: $44.99
    Drake Bolt Knob - Aluminum These bolt knobs are made from aluminum and are finished a in midnight bronze Cerakote and will fit any 5/16-24 threaded bolt handle. Features: Material: aluminum Color: titanium Threading: 5/16-24 Compatible...
    HKP-20782
    Now: $24.95
    Was: $44.99
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  • On Sale
    New - TPM - Remington 700 - 30 MOA - Scope Base Short Action - HKP-20765 Remington 700 - 30 MOA - Scope Base Short Action
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    Remington 700 - 30 MOA - Scope Base Short Action

    Tactical Precision MFG

    Now: $35.95
    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-20765
    Now: $35.95
    Was: $76.99
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  • On Sale
    Used - H&K HK SL8 Adjustable Buttstock Piece - Used - Black - HKP-20052 HK SL8 Adjustable Buttstock Piece - Used
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    HK SL8 Adjustable Buttstock Piece - Used

    H&K Heckler & Koch

    Now: $9.95
    Was: $29.95
    H&K HK SL8 Adjustable Buttstock Piece - Used
    HKP-20052
    Now: $9.95
    Was: $29.95
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    Now: $9.95
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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 - H&K HK SL8 Adjustable Buttstock Piece - Black - HKP-17837 HK SL8 Adjustable Buttstock Piece - Black
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    HK SL8 Adjustable Buttstock Piece - Black

    H&K Heckler & Koch

    $39.95
    HK SL8 Adjustable Buttstock Piece - Black Newer style that is black in color. Please note that the pic shows a gray unit but this offering is all black.
    HKP-17837
    $39.95
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    $39.95
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  • New - H&K HK G36K Factory Blank Firing Adapter - HKP-16974 HK G36K Factory Blank Firing Adapter
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    HK G36K Factory Blank Firing Adapter

    H&K Heckler & Koch

    $269.95
    H&K HK G36K Factory Blank Firing Adapter G36K Factory HK blank firing adapter. This adapter is date coded and comes complete with the spring clip installed. Compatible With: G36K exclusively
    HKP-16974
    $269.95
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    $269.95
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  • New - H&K 5 Round HK USC .45 ACP Magazine - Black - HKP-20041 HK USC Magazine - 5 Round - .45 ACP
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    HK USC Magazine - 5 Round - .45 ACP

    H&K Heckler & Koch

    $57.95
    HK Heckler and Koch 5 Round .45 ACP Magazine for HK USC  This is the only magazine that HK offers for the HK USC unless you want to upgrade to the USC-UMP style of conversions. Compatible With: All HK USC carbines
    HKP-20041
    $57.95
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  • On Sale
    Used - H&K HK UMP Demilled Extended Rear Receiver Section - HKP-19798 HK UMP Demilled Extended Rear Receiver Section
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    HK UMP Demilled Extended Rear Receiver Section

    H&K Heckler & Koch

    Now: $689.95
    Was: $999.95
    HK German Factory UMP  Receiver Section - Extended Demilled factory HK UMP rear receiver section perfect for a USC-UMP conversion. With the folding stock attachment point intact right in front of the ejection port, this extended receiver section is...
    HKP-19798
    Now: $689.95
    Was: $999.95
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    Was: $999.95
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  • Out Of Stock
    New - Contoured Style - SEF - Match Trigger Group - HK SP5K - HKP-19496 HK MP5, MP5K, SP5K Match Trigger Group - SEF - Contoured Style

    HK MP5, MP5K, SP5K Match Trigger Group - SEF - Contoured Style

    H&K Heckler & Koch

    $0.00
    Contoured Style - SEF - Match Trigger Group - HK SP5K Upgrade your SP5K with this top-quality SEF Contoured Style RH Match Trigger Group. Ready to drop on your SP5K receiver, it serves as an excellent replacement trigger group, designed specifically for...
    HKP-19496
    $0.00
    Out Of Stock
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  • Out Of Stock
    New - HK MP5K/SP5K/SP89 Vented Horizontal Forearm with Handstop - Black - HKP-19471 HK MP5K, SP5K, SP89 Vented Horizontal Handguard with Handstop

    HK MP5K, SP5K, SP89 Vented Horizontal Handguard with Handstop

    USA

    $44.95
    MP5K, SP5K, SP89 - Vented Horizontal Forearm with Handstop Each forearm will fit the MP5K or SP89 style of firearms. As an added bonus this item counts as a US made part toward 922r compliance. Each forearm has the latest enhancements and upgrades...
    HKP-19471
    $44.95
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    $44.95
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  • Out Of Stock
    On Sale
    Used - H&K HK G36 Dual Optic With Carrying Handle - Used - HKP-00744 HK G36 Dual Optic With Carrying Handle - Used

    HK G36 Dual Optic With Carrying Handle - Used

    H&K Heckler & Koch

    Now: $1,679.95
    Was: $2,099.95
    HK G36, SL8 Dual Optic - Used PD trade in'sFactory HK G36/SL8 dual optic in used condition. This is a one time offering as far as we will not be able to get them again!Fits all: G36 G36K G36C Sl8-1, Sl8-4 & Sl8-6 models.
    HKP-00744
    Now: $1,679.95
    Was: $2,099.95
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    Now: $1,679.95
    Was: $2,099.95
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