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 MP5 & HK94 Steel Cocking Tube Support - HKP-18040 HK MP5, HK94 Cocking Tube Support - Steel
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    HK MP5, HK94 Cocking Tube Support - Steel

    HKP HK Parts

    $49.95
    MP5 All Steel Cocking Tube Support 9mm - USA: Made entirely from ordnance grade stainless steel from the factory HK German print & specs. An HK German quality part at the best price. Each MP5 9mm cocking tube support will include the detent and...
    HKP-18040
    $49.95
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  • New - H&K HK MR556/416 Extended 11" Quad Rail - Black - HKP-01960 HK416, MR556 Handguard - 11" - Extended - Quad Rail
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    HK416, MR556 Handguard - 11" - Extended - Quad Rail

    H&K Heckler & Koch

    $445.95
    HK MR556/416 Extended 11" Quad Rail  This drop-in unit offers two full inches in extra length, not the standard 9" rail that comes with the HK 416/MR556, but an extended 11" rail that allows for a longer sight radius and more rail space...
    HKP-01960
    $445.95
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    $445.95
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  • New - HK SP89, SP5K, MP5K - Forearm - HKP-17397 HK MP5, MP5K, SP89 Handguard with Handstop
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    HK MP5, MP5K, SP89 Handguard with Handstop

    HKP HK Parts

    $29.95
    HK SP89, SP5K, MP5K - Forearm Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse Stretch Style Builds Custom MP5K/ SP89 builds Specifications: Made in the USA 922r Compliant Brand: HK Parts *Can be modified to install on MP5K-N builds with 3...
    HKP-17397
    $29.95
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  • New - H&K Ambidextrous Rear Stock Sling Pin - Large - HKP-00078
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    HK MP5, HK90 Series Buttstock Push Pin - Sling Hook - Ambi

    H&K Heckler & Koch

    $43.95
    H&K Ambidextrous Stock Sling Pin - Large The ambidextrous sling hook push pin replaces the stock push pin on the rear stock of the HK firearm, to enable the use of an HK sling for both left and right hand use. This part will replace and work on any...
    HKP-00078
    $43.95
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  • Used - RCM HK Style MP5K 9mm Complete Bolt Group - HKP-19846 HK MP5K Bolt Group - Complete - 9mm - SA/FA
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    HK MP5K Bolt Group - Complete - 9mm - SA/FA

    RCM

    $394.95
    Complete Bolt Group - RCM - HK Style MP5K 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group is compatible with semi and full-auto MP5K 9mm style firearms.  Each bolt group comes complete,...
    HKP-19846
    $394.95
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    $394.95
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  • New - H&K HK USP/45/45C Ambidextrous Control Lever Set Roll Pin - HKP-02394
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    HK45, HK45C, USP Roll Pin - Ambi Control Lever

    H&K Heckler & Koch

    $2.95
    HK USP, 45 & 45C Ambidextrous Control Lever Set Roll Pin This item is to hold the right side lever onto the left side axle lever. These can easily be lost or damaged. A great spare part to have on hand. Compatible With: HK USP Full...
    HKP-02394
    $2.95
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    $2.95
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  • New - H&K German 5.56/.223 & 7.62x51/.308 Hammer Spring - HKP-00194
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    HK Universal Hammer Spring

    H&K Heckler & Koch

    $9.95
    New HK German Rifle Hammer Spring For All.308/.223 Semi & Full Auto Trigger Packs The 308/556 hammer spring is a popular upgrade to replace the hammer spring in 9mm and clones that have light primer hits. This is the factory-correct 25 lb. weight for...
    HKP-00194
    $9.95
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    $9.95
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  • Used - H&K MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used - HKP-18095-PP HK MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used
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    HK MP5K 9mm SEF Trigger Group Navy Style- Full Auto - Push Pin - Used

    H&K Heckler & Koch

    $499.95
    HK German MP5K SEF Navy Style F/A Trigger Group Complete - Used ON SALE FOR A SPECIAL PROMOTION WHILE SUPPLIES LAST!!! Each trigger group is comprised of genuine Heckler & Koch products Includes: German Full Auto trigger pack with all F/A...
    HKP-18095-PP
    $499.95
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  • HK G36 Magazine- No Retainers - 30 Round HK G36 Magazine- No Retainers - 30 Round
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    HK G36 Magazine- No Retainers - 30 Round

    H&K Heckler & Koch

    $54.95
    HK Heckler and Koch 30 Round Magazine without Retainers for HK G36 Genuine H&K 30-round magazine without magazine interlocking retainers. Compatible With: HK G36
    HKP-22195
    $54.95
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    $54.95
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  • Out Of Stock
    New - H&K Trigger Pack Ejector Lever Axle - HKP-01091 HK Trigger Pack Ejector Lever Axle

    HK Trigger Pack Ejector Lever Axle

    H&K Heckler & Koch

    $19.95
    H&K Trigger Pack Ejector Lever Axle HK German ejector lever axle pin for all HK trigger packs. This is the factory correct axle pin that holds the ejector lever in place in the trigger pack. Fits all SEF & Ambidextrous style HK trigger packs...
    HKP-01091
    $19.95
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  • Out Of Stock
    New - HKP (9mm) Thread Protector For Barrels - Threaded 1/2x28 - HKP-02646 HKP (9mm) Thread Protector For Barrels - Threaded 1/2x28 HKP HK Parts HKP-02646

    Thread Protector - 9mm, 5.56 / .223 - 1/2x28 RH

    HKP HK Parts

    $14.95
    HKP (9mm) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard thread protector included with all HKPARTS threaded pistol...
    HKP-02646
    $14.95
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    $14.95
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  • New - HKP 0,1 Extended Left Side Ambidextrous Selector Lever & Right Side Set - HKP-17229 HKP 0,1 Extended Left Side Ambidextrous Selector Lever & Right Side Set HKP HK Parts HKP-17229
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    Selector Lever Set - Ambi 0,1 - Extended Left Side

    HKP HK Parts

    $99.95
    Left Side Extended & Standard Right Side Ambidextrous Selector Lever Set- 0,1 New for the US market is a pair of ambi selector levers for use ambidextrous 9X series trigger packs and trigger groups. 2 position Safe & semi only functions 0,1 FBI...
    HKP-17229
    $99.95
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    $99.95
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