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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  • On Sale
    Used - CETME L & LV 14" Spanish Bayonet & Scabbard - HKP-20119 CETME L & LV 14" Spanish Bayonet & Scabbard
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    CETME L & LV 14" Spanish Bayonet & Scabbard

    Now: $39.95
    Was: $69.95
    CETME L & LV 14" Spanish Bayonet & Scabbard Complete your CETME L with an original bayonet! This bayonet served in the Spanish army and was only issued with the Model L or LV rifles. These 14 inch bayonets have an impressive 8 3/4" blade. Push...
    HKP-20119
    Now: $39.95
    Was: $69.95
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  • New - H&K MP5, MP5K & SP5K Cocking Support Detent - HKP-01103 HK MP5, SP5K Cocking Support Detent
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    HK MP5, SP5K Cocking Support Detent

    H&K Heckler & Koch

    $9.95
    Cocking Tube Support Detent For The MP5, 94, MP5K, SP89, & SP5K 
    HKP-01103
    $9.95
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  • New - HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only - HKP-17910 HK SEF Short Axle Selector Lever For Metal Trigger Housings Only
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    HK SEF Short Axle Selector Lever For Metal Trigger Housings Only

    HKP HK Parts

    $19.95
    HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only HK German steel SEF selector lever.  Please note that the polymer (plastic) style SEF housing uses the longer axle SEF selector lever not this product offering. Brand new factory...
    HKP-17910
    $19.95
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  • New - H&K MP5, MP5K, SP5, 94 & SP89 Cocking Handle - HKP-00095 HK MP5, HK94, SP89, SP5K Cocking Handle
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    HK MP5, HK94, SP89, SP5K Cocking Handle

    H&K Heckler & Koch

    $44.95
    HK MP5, 94 & MP5K, SP89, SP5K Cocking Handle - German New factory HK German latest manufactured and updated style. This part is the current model that HK is equipping all new HK MP5/MP5K variants with. Made to last and the nicest of all the...
    HKP-00095
    $44.95
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  • New - UTG HK MP5 Pro M-LOK Light Mount - HKP-21784 HK MP5 Optic Mount - Pro - M-LOK
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    HK MP5 Optic Mount - Pro - M-LOK

    UTG

    $74.99
    UTG HK MP5 Pro M-LOK Light Mount The UTG MP5 Pro M-LOK light mount securely attaches to front sight without interfering with the handguard.  Made in the USA from lightweight, matte black, anodized aluminum with M-LOK slots at the 11, 12, and 1...
    HKP-21784
    $74.99
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    $74.99
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  • New - H&K Hammer Spring For HK Burst Trigger Pack - HKP-01111
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    Hammer Spring, HK Burst Trigger Packs

    H&K Heckler & Koch

    $19.95
    H&K Hammer Spring For HK Burst Trigger Pack The HK German factory intermediate poundage "satin" gray hammer spring is found in all 9mm, 40/10, and .556/223 burst trigger packs and is proven to be the most reliable and longest-lasting spring for burst...
    HKP-01111
    $19.95
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  • Out Of Stock
    Used - H&K MP5 A3 Stock - Surplus - Good Condition - HKP-16659 H&K MP5 A3 Stock - Surplus - Good Condition H&K Heckler & Koch HKP-16659

    HK MP5 A3 Retractable Buttstock - Surplus - Good Condition

    H&K Heckler & Koch

    $578.95
    Military German manufactured A3 Retractable Stock - Used Each Used German HK stock will vary from Fair-Good Shape (early 80's manufacture) A one-time offering of some well used German military stocks that need some TLC and a refinish to get them looking...
    HKP-16659
    $578.95
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    $578.95
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  • Used - H&K 3 Point Green Sling-Used-Surplus - HKP-16273 H&K 3 Point Green Sling-Used-Surplus H&K Heckler & Koch HKP-16273
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    HK 3 Point Green Sling-Used-Surplus

    H&K Heckler & Koch

    $55.00
    H&K 3 Point Green Sling-Used-Surplus German military surplus 3 point sling in good condition. Used but 100% operational and a great value for the money. 
    HKP-16273
    $55.00
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  • New - Heckler and Koch 15 Round MP5, SP5, MP5K, SP5K 9mm Curved Magazine - Cerakote - HKP-21383-M HK MP5, SP5, MP5K, SP5K Magazine - 15 Round - 9mm - Cerakote
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    HK MP5, SP5, MP5K, SP5K Magazine - 15 Round - 9mm - Cerakote

    H&K Heckler & Koch

    $99.95
    Heckler and Koch German 15 Round Cerakote Magazine for HK MP5, MP5K, SP5, SP5K Brand new factory fresh German HK 15 round curved magazine. Perfect for those in need of a lower capacity magazine for a more comfortable prone position...
    HKP-21383-M
    $99.95
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    $99.95
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  • New - MKE AP5 3-Point Sling - Complete - HKP-21187 Century Arms AP5 3-Point Sling - Complete
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    Century Arms AP5 3-Point Sling - Complete

    MKE

    $34.99
    MKE AP5 3 Point Sling - Complete This is a Factory OEM Sling included with the AP5. Can be utilized on any HK 90 series of firearms.  Compatible With: Century Arms AP5 HK MP5 & SP5 HK MP5K & SP5K HK94
    HKP-21187
    $34.99
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  • New - B&T HK MP5 Folding Stock with HK Parts Adapter - HKP-20216 HK MP5 Folding Stock with HK Parts Adapter
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    HK MP5 Folding Stock with HK Parts Adapter

    B&T Brugger & Thomet

    $277.95
    B&T Folding Stock for All MP5 Full Size Variants Swiss made B&T folding stock completely assembled With our own HK Parts stock adapter. CNC machined aircraft grade aluminum with QD sling attachment point.   Compatible With: MP5 (NOT...
    HKP-20216
    $277.95
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    $277.95
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  • New - GSG9 HK G36 Magwell - Black - HKP-18220 HK G36 Magwell - 10, 30, 100 Round
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    HK G36 Magwell - 10, 30, 100 Round

    GSG9

    $58.95
    GSG9 HK G36 Magwell Allows use of all factory G36 & Magpul G36 magazines. Fits all 30 round, 10 round & 100 round magazines & drums. Made from high impact polymer. Compatible With: HK G36 HK G36K HK G36C Clones or other customer builds
    HKP-18220
    $58.95
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