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 - Strike Universal Picatinny - Dual Folding Adapter - Stock - HKP-21306 Picatinny - Dual Folding Adapter - Stock
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    Picatinny - Dual Folding Adapter - Stock

    Strike Industries

    $199.95
    Strike Industries Dual Folding Stock This Strike Industries stock is ideal for MP5 or MP5K platforms featuring a 1913 Picatinny rail interface. Conveniently compatible with any platform featuring a Picatinny backplate. It offers quick, easy, and...
    HKP-21306
    $199.95
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  • New - HKP HK UMP Extended Top Rail - Red - HKP-21049 HK UMP Extended Top Rail - Red
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    HK UMP Extended Top Rail - Red

    HKP HK Parts

    $59.95
    HKP HK UMP Extended Top Rail - Red Nearly an 1" longer than the standard length top rail. This picatinny top rail allows the user to add an eotech, aimpoint, acog, etc. Made in the USA from aluminum material and hard coat anodize in a beutiful Red...
    HKP-21049
    $59.95
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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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    Was: $44.99
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  • On Sale
    New - TPM - Fluted Bolt Knob - Titanium - HKP-20769 Bolt Knob - Fluted - Titanium
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    Bolt Knob - Fluted - Titanium

    Tactical Precision MFG

    Now: $24.95
    Was: $48.99
    TPM - Fluted Bolt Knob - Titanium These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle.  Features: Dimensions: 1.5" x 7/8" x 7/8" Weight: 2 oz. Material: titanium Threads: 5/16x24  
    HKP-20769
    Now: $24.95
    Was: $48.99
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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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    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 - Black - Used
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    HK SL8 Adjustable Buttstock Piece - Black - 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
    Was: $29.95
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  • Used - H&K HK SL8-1 Complete Locking Lever - HKP-16375 HK SL8-1 Locking Lever - Complete
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    HK SL8-1 Locking Lever - Complete

    H&K Heckler & Koch

    $39.95
    H&K HK SL8-1 Complete Locking Lever Heckler & Koch USC & SL8-1 Complete Locking Lever is a top-tier, factory original component crafted from robust black polymer. This German-made part is specifically engineered for the HK SL8, USC, and UMP...
    HKP-16375
    $39.95
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    $39.95
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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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  • 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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  • Used - Refinished HK MP5K Slimline Forearm - OD Green - HKP-20498 HK MP5K, SP5K Slimline Handguard - OD Green - Refinished
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    HK MP5K, SP5K Slimline Handguard - OD Green - Refinished

    H&K Heckler & Koch

    $39.95
    Refinished HK MP5K Slimline Forearm - OD Green Refinished German military OD green slimline forearm with heat shield, modified to fit the MP5K. Available exclusively at HK Parts. Compatible With: MP5K, SP5K
    HKP-20498
    $39.95
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    $39.95
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  • New - H&K 5 Round HK USC .45 ACP Magazine - Black - HKP-20041 HK 5 Round HK USC .45 ACP Magazine
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    HK 5 Round HK USC .45 ACP Magazine

    H&K Heckler & Koch

    $57.95
    HK German Factory 5 Round USC .45 Magazine 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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    $57.95
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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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