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 - HKP HK MP5 (.40 S&W) Locking Roller -6 - HKP-17566
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    HKP HK MP5 (.40 S&W) Locking Roller -6

    HKP HK Parts

    $11.95
    HK US MP540 Undersized Locking Roller, -6 The proper roller size is essential for headspacing the bolt gap correctly. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you...
    HKP-17566
    $11.95
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  • New - AIM HK 91/G3 (7.62x51/.308) Rifle Length Handguard - Keymod - HKP-18179 HK91, G3 Rifle Length Handguard - Keymod
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    HK91, G3 Rifle Length Handguard - Keymod

    AIM

    $89.95
    HK 91, G3, PTR RIFLE LENGTH HANDGUARD - KEY MOD This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all KeyMod accessories. Superior ergonomics and simple, drop-in installation makes this the best HK...
    HKP-18179
    $89.95
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  • New - Choate HK 91/G3 (7.62x51/.308) Adjustable Tactical Folding Stock - HKP-00884 HK91, G3 Adjustable Tactical Folding Stock
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    HK91, G3 Adjustable Tactical Folding Stock

    Choate

    $139.95
    HK G3, 91 & PTR Tactical Folding Stock Each stock is adjustable from 14 1/4" to 15 1/4" using the included adjustable spacer system, which will allow a full 2" range in adjustment for the specific user or mission requirements. Comes with all the...
    HKP-00884
    $139.95
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  • New - HKP 9mm US Made Trigger Pack with Flat Trigger - 4 U.S. 922 Parts - HKP-18513 HK MP5, HK94, SP5 Trigger Pack - Flat Trigger -  9mm - 4 US Made 922r Parts
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    HK MP5, HK94, SP5 Trigger Pack - Flat Trigger - 9mm - 4 US Made 922r Parts

    HKP HK Parts

    $299.95
    HKP Zenith 9mm US Made Trigger Pack With Flat Trigger  Semi auto trigger pack complete with flat trigger installed. Completely assembled & ready to drop in. The remaining parts are all German HK Or US made parts to make up the rest of the...
    HKP-18513
    $299.95
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  • New - H&K Sear Complete For HK Burst Trigger Packs - HKP-17028
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    HK MP5K, HK90 Series Burst Trigger Sear Complete

    H&K Heckler & Koch

    $59.95
    Heckler & Koch's Sear Catch for HK90 Series and HK MP5K - Steel - German For Burst Trigger Packs Compatible With: 0,1,3,F 0,1,2,F 0,1,3 0,1,2
    HKP-17028
    $59.95
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    $59.95
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  • HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm
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    HK MP5 Magazine Replacement Parts Kit - 30 Round - 9mm

    MKE

    $23.95
    MKE HK MP5 9mm 30 Round Magazine Replacement Parts Kit Replacement magazine parts kit for HK MP5 9mm firearms. Made in Turkey and designed to match factory MP5 specifications. Includes: 30 round magazine spring MP5 magazine follower MP5 magazine floor...
    HKP-99342
    $23.95
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    $23.95
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  • On Sale
    MKE AP5/MP5 Front Sight Tower Complete MKE HKP-22256 MKE AP5/MP5 Front Sight Tower Complete MKE HKP-22256
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    HK MP5, AP5 Front Sight Tower Complete

    MKE

    Now: $42.95
    Was: $54.95
    MKE AP5, MP5 Front Sight Tower Complete The front sight tower is a critical component for a perfect build. The MKE front sight tower is great option for new builds or replacement of damaged units. Compatible With: Century Arms AP5 Century Arms...
    HKP-22256
    Now: $42.95
    Was: $54.95
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  • On Sale
    New - MKE HK 93/53/33 Push Pin Spring - HKP-22228 MKE Push Pin Spring MKE HKP-22228
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    HK33, HK53, HK93 Push Pin Spring

    MKE

    Now: $2.19
    Was: $3.95
    MKE HK33, HK53, HK33 Push Pin Spring A must have replacement spring to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in action...
    HKP-22228
    Now: $2.19
    Was: $3.95
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    Now: $2.19
    Was: $3.95
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  • New - Strike Industries HK MP5 Dual Folding Stabilizer with Adapter - HKP-21655-M HK MP5 Dual Folding Stabilizer - With Adapter - OD Green
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    HK MP5 Dual Folding Stabilizer - With Adapter - OD Green

    HKP HK Parts / Strike Industries

    $319.95
    Strike Industries Dual Folding Stabilizer with HKP MP5 Adapter The Strike Industries Dual Folding Stabilizer paired with the HKP MP5 picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock...
    HKP-21655-M
    $319.95
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    $319.95
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  • On Sale
    New - HKP MP5, SP5, HK94 Wide Forearm - BLEMISHED - HKP-02312-B HK MP5, HK94, SP5, Wide Handguard - BLEMISHED
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    HK MP5, HK94, SP5, Wide Handguard - BLEMISHED

    HKP HK Parts

    Now: $14.95
    Was: $25.95
    HKP MP5, SP5, HK94 Wide Forearm - BLEMISHED INSTALLATION MARKINGS COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. This MP5 forearm is also known as the tropical...
    HKP-02312-B
    Now: $14.95
    Was: $25.95
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  • On Sale
    New - Strike Industries HK MP5K Drop-In MOD2 Stock - HKP-21330-M HK MP5K, SP5K Stock - MOD2 - Strike Industries
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    HK MP5K, SP5K Stock - MOD2 - Strike Industries

    HKP HK Parts / Strike Industries

    Now: $111.71
    Was: $199.95
    Strike Industries HK MP5K Drop-In MOD2 Stock We pair our MP5K AR stock adpter with this Strike MOD2 stock to give you a drop-in MP5K stock. Give your build a modern look and added comfort and adjustability of the MOD2 stock.  Only available here at...
    HKP-21330-M
    Now: $111.71
    Was: $199.95
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  • New - HKP Dual HK MP5 Magazine Clamp Conversion Screw - HKP-20318 HK MP5 Dual Magazine Clamp Conversion Screw - G3 to MP5 Mags
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    HK MP5 Dual Magazine Clamp Conversion Screw - G3 to MP5 Mags

    HKP HK Parts

    $2.95
    HKP Dual HK MP5 Magazine Clamp Conversion Screw This screw converts a HK91, G3, PTR dual magazine clamp (HKP-19634) into the correct length for use with an MP5 magazine. Includes:  1 screw
    HKP-20318
    $2.95
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    $2.95
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