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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  • HK G36C Apparel - Hats, Patches, and Shirts HK G36C Apparel - Hats, Patches, and Shirts
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    HK G36C Apparel - Hats, Patches, and Shirts

    HKP HK Parts

    $0.00
    HKP HK G36C Apparel and Patch Collection  Represent your platform with the HK Parts G36C Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean, understated design, this collection delivers premium...
    HKP-22456-M
    $0.00
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  • HK G36 Folding Stock or Brace  - HDA3 HK G36 Folding Stock or Brace  - HDA3
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    HK G36 Folding Stock or Brace - HDA3

    Haga Defense

    $349.95
    HK G36 Folding Stock or Brace - HDA3 The HDA3 is a modular, USA-made stock or brace system developed by Haga Defense and A3 Industries. Built for strength, adaptability, and cross-platform compatibility, it delivers premium rigidity, smooth...
    HKP-22357-M
    $349.95
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  • ACR Folding Stock - Telescopic 7 Position - Picatinny Rail ACR Folding Stock - Telescopic 7 Position - Picatinny Rail
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    ACR Folding Stock - Telescopic 7 Position - Picatinny Rail

    F5 MFG

    $249.95
    F5 ACR Folding Stock - Picatinny Mount - Universal The F5 ACR folding stock easily attached to any Picatinny rail, giving the user the versatility of swapping between any Picatinny equipped firearm. Features: 7-position...
    HKP-22280-M
    $249.95
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  • On Sale
    MKE HK MP5/AP5 End Cap Complete MKE HKP-22258 MKE HK MP5/AP5 End Cap Complete MKE HKP-22258
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    HK MP5, AP5 End Cap - Complete

    MKE

    Now: $64.95
    Was: $89.95
    MKE HK MP5/AP5 End Cap Complete Replacement end cap made by MKE on HK tooling. This robust all-steel end cap is a superior upgrade from the standard polymer options. It not only features an integrated H buffer for enhanced performance but also includes a...
    HKP-22258
    Now: $64.95
    Was: $89.95
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    Was: $89.95
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  • New - H&K MR556 A4 13.4" Complete QD Handguard - Black - HKP-22184 HK MR556 A4 13.4" Complete QD Handguard
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    HK MR556 A4 13.4" Complete QD Handguard

    H&K Heckler & Koch

    $499.95
    H&K MR556 A4 13.4" Complete QD Handguard Genuine H&K MR556 A4 quick detach handguard has a Picatinny rail at 12 o’clock, M-LOK slots at 3, 6, and 9 o’clock, and two QD sling swivel cups for ambidextrous sling attachment. It provides...
    HKP-22184
    $499.95
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  • New - H&K G36K Handguard with Heat Shield - HKP-22010 HK G36K Handguard with Heat Shield
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    HK G36K Handguard with Heat Shield

    H&K Heckler & Koch

    $68.95
    H&K G36K Handguard with Heat Shield Lightweight and durable design for improved heat management and reliable performance.   Compatible With: G36K  
    HKP-22010
    $68.95
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  • Out Of Stock
    New - B&T Telescopic Stock End Cap - HKP-21721 B&T Telescopic Stock End Cap

    B&T Telescopic Stock End Cap

    B&T Brugger & Thomet

    $8.95
    B&T Telescopic Stock End Cap B&T replacement end cap for telescopic stocks.  Limits the extension of the stock to keep it from sliding out of the guides.
    HKP-21721
    $8.95
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  • On Sale
    New - Strike Industries HK MP5 Drop-In MOD2 Stock - HKP-21331-M HK MP5 Stock - MOD2 - Strike Industries
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    HK MP5 Stock - MOD2 - Strike Industries

    HKP HK Parts / Strike Industries

    Now: $111.71
    Was: $199.95
    Strike Industries HK MP5 Drop-In MOD2 Stock We pair our MP5 AR Stock adapter with this Strike MOD2 stock to give you a drop-in MP5 stock. Give your build a modern look and added comfort and adjustability of the MOD2 stock.  Only available here at HK...
    HKP-21331-M
    Now: $111.71
    Was: $199.95
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    Now: $111.71
    Was: $199.95
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  • On Sale
    New - TPM Grenade Bolt Knob – Bronze - HKP-20909 Bolt Knob - Grenade – Bronze
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    Bolt Knob - Grenade – Bronze

    Tactical Precision MFG

    Now: $19.95
    Was: $100.00
    TPM Grenade Bolt Knob – Bronze These bolt knobs can dress up any rifle with a 5/16×24 threaded bolt handle. Specifications: Dimensions: 1.90″ x 7/8″ x 7/8″ Weight: 2 oz. Threading: 5/16×24
    HKP-20909
    Now: $19.95
    Was: $100.00
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    Was: $100.00
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  • New - H&K HK MR556/HK 416 9" M-LOK Handguard - Black - HKP-19670 HK416, MR556 Handguard - 9" - M-LOK
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    HK416, MR556 Handguard - 9" - M-LOK

    H&K Heckler & Koch

    $244.95
    H&K HK MR556/HK 416 9" M-LOK Handguard - Black New HK German manufactured forearm for the HK 416 and MR556 firearm. Comes exactly as pictured.  Compatible With: HK MR556 HK 416
    HKP-19670
    $244.95
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  • New - Lee Sporting LS5 HK MP5 Complete Trigger Group Push Pin - HKP-20467 HK MP5 LS5 Trigger Group, Complete - Push Pin
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    HK MP5 LS5 Trigger Group, Complete - Push Pin

    Lee Sporting

    $549.95
    Lee Sporting LS5 Complete Trigger Group - MP5 Push Pin 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-20467
    $549.95
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  • Used - Fero Z51 Claw Mount Adapter - HKP-19532 Fero Z51 Claw Mount Adapter
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    Fero Z51 Claw Mount Adapter

    $9.95
    Claw Mount Adapter - German - Surplus - Z51
    HKP-19532
    $9.95
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    $9.95
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