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/K 9mm Knurled Micro Comp - Threaded 1/2x28 RH - HKP-21176 HK MP5, MP5K Micro Comp - 9mm - Knurled - Threaded 1/2x28 - Right Hand
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    HK MP5, MP5K Micro Comp - 9mm - Knurled - Threaded 1/2x28 - Right Hand

    HKP HK Parts

    $26.95
    HKP HK MP5/K 9mm Knurled Micro Comp - Threaded 1/2x28 RH Our new MP5 Micro Comp combines the classic appearance of a factory-style thread protector with enhanced functionality. Extended and slotted, this micro compensator not only preserves the factory...
    HKP-21176
    $26.95
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    $26.95
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  • New - H&K HK MR556/MR762/416/417 Detent Takedown Pin - HKP-02540
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    HK416, HK417, MR556, MR762 Detent Takedown Pin

    H&K Heckler & Koch

    $9.95
    H&K HK MR556/MR762/416/417 Detent Takedown Pin Factory H&K takedown pin for MR556 A4. Compatible With: HK MR556 HK 416 HK MR762 HK 417
    HKP-02540
    $9.95
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    $9.95
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  • New - B&T HK 91/G3 (7.62x51/.308) Low Profile Mount - Extended - HKP-16873 HK91, G3 Optic Mount - 220mm - Low Profile - Extended Picatinny Rail
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    HK91, G3 Optic Mount - 220mm - Low Profile - Extended Picatinny Rail

    B&T Brugger & Thomet

    $199.95
    B&T Mounting Rail Low Profile Mount for HK G3, Long Extended Version Low profile rail that allows the use of iron sights while installed. Specifications: Color: Black Height max: 30.7 mm Length max: 220 mm Material: Aluminum NATO Accessory Rails:...
    HKP-16873
    $199.95
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    $199.95
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  • New - H&K 33/91/G3 Triple Frame Front Sight Tower - HKP-18778 HK33, HK91, G3 Triple Frame Front Sight Tower
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    HK33, HK91, G3 Triple Frame Front Sight Tower

    H&K Heckler & Koch

    $19.95
    Front Sight Tower Triple Frame G3/33 - German G3 triple frame all steel factory German front sight tower. Perfect for HK builds as well as HK-AK style sight conversions and builds. Compatible With: HK G3 HK G3K HK 93 HK 33
    HKP-18778
    $19.95
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  • Used - Clipping & Pinning Service HK Lower Housings - Poly - HKP-00923 HK Lower Housings Clipping and Pinning Service - Poly
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    HK Lower Housings Clipping and Pinning Service - Poly

    HKP HK Parts

    $99.95
    HK Clipped & Pinned Service - For Polymer Grip Frames We will clip and pin any "push pin" plastic housing for $99.95 each plus return shipping via USPS priority mail. Our technicians can perform the service on a customer supplied grip or we can clip...
    HKP-00923
    $99.95
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    $99.95
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  • Out Of Stock
    New - HKP SEF Short Axle Selector Lever For Metal Trigger Housings - Extended - HKP-19026 HK SEF Short Axle Selector Lever For Metal Trigger Housings - Extended

    HK SEF Short Axle Selector Lever For Metal Trigger Housings - Extended

    HKP HK Parts

    $69.95
    HKP SEF Short Axle Selector Lever For Metal Trigger Housings - Extended HK steel SEF Extended selector lever. Fits all metal HK grip frames. Please note that the polymer (plastic) style SEF housing uses the long axle SEF selector lever and not this...
    HKP-19026
    $69.95
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  • Used - H&K Claw Mount With Stanag Adapter For Scope - HKP-02387 HK MP5, MP5K HK93, HK91, G3 Claw Mount with STANAG Adapter for Scope
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    HK MP5, MP5K HK93, HK91, G3 Claw Mount with STANAG Adapter for Scope

    H&K Heckler & Koch

    $399.95
    HK Claw Mount With Stanag Adapter For Scope - Used (Good Condition) These parts just came in and were pulled from factory German Demilled HK G3s used in good shape. This product is no longer made or available as these are out of production, and...
    HKP-02387
    $399.95
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    $399.95
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  • On Sale
    New - AC-Unity HK MP5 Wide Handguard - HKP-21637 HK MP5 Handguard - Wide
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    HK MP5 Handguard - Wide

    AC-Unity

    Now: $14.45
    Was: $18.95
    AC-Unity HK MP5 Wide Handguard Made by AC-Unity with advanced, German made polymer-resin/granulate that is both lightweight and shock/UV resistant. This state of the art polymer is formulated to withstand temperatures from -30°C to 120°C...
    HKP-21637
    Now: $14.45
    Was: $18.95
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    Now: $14.45
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  • New - HKP HK 416/COLT M4 .22 30 Round Magazine Spring - HKP-14409
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    HK416, COLT M4 Magazine Spring - .22LR - 30 Round

    HKP HK Parts

    $3.95
    HK 416 & Colt .22 30 Round Magazine Spring  A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out.  Compatible With All 30 Round .22 Mags For: HK 416 Colt M4 G36
    HKP-14409
    $3.95
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    $3.95
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  • New - Choate HK 91/G3 (7.62x51/.308) Complete Tactical Folding Stock - HKP-01951 HK91, G3 Complete Tactical Folding Stock
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    HK91, G3 Complete Tactical Folding Stock

    Choate

    $179.95
    HK91, G3, & PTR Folding Stock With Adjustable Length Of Pull - Tactical Stock This stock is adjustable by two inches when using the innovative spacer system. It comes fully assembled and ready to drop on your favorite HK. The adjustable length system...
    HKP-01951
    $179.95
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  • New - Safariland Break Free CLP - HKP-15435 Safariland Break Free CLP Safariland HKP-15435
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    HK Firearm Cleaning Oil - Break Free CLP - .5 oz

    Safariland

    $4.95
    Break Free Cleaner, Lubricant and Preservative 1/2 OZ. Features: Penetrates and spreads along metal surfaces into every, crack, pit and crevice to undercut contamination and lift. carbon, fouling and residue away. Long-lasting lubricating film...
    HKP-15435
    $4.95
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    $4.95
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  • New - KCI 30 Round MP5 9mm Magazine - 5 Pack - HKP-22057 HK MP5 Magazine - 9mm - 30 Round - 5 Pack
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    HK MP5 Magazine - 9mm - 30 Round - 5 Pack

    KCI

    $184.95
    KCI 30 Round MP5 9mm Magazine - 5 Pack Features: Latest generation and factory fresh, individually sealed magazine 30-round capacity 9mm caliber marked (9mm x 19) Curved for more reliable feeding with steel chrome follower All steel...
    HKP-22057
    $184.95
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    $184.95
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