MP5K / SP5K Series
Discover the most comprehensive selection of HK MP5K and SP5K parts at HKP. From bolt carrier groups and barrels to trigger packs and magazines, we provide all the HK parts you need to build, upgrade, or maintain your firearm. Whether you're enhancing your MP5K with 922r compliant parts or looking for the perfect SP5K flash hider, our top-quality components are designed for precision, reliability, and performance. Trust HKP for all your MP5K and SP5K parts and accessories.
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Out Of Stock
Handstop Kit - XTM
Magpul
$19.95Magpul XTM Hand Stop Kit The four-piece XTM Hand Stop Kit is a lightweight, low-profile rail-mounted index point for improved weapon control or as a forward stop to prevent the shooter's hand from reaching the hot front sight assembly or muzzle. The kit...HKP-14535$19.95 -
Picatinny Battle Sight - HK Front Folding
Troy Industries
$119.95Troy Industries Tritium Front Folding BattleSight – HK Durability and dead-on accuracy have made the Troy Industries HK Front Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Please Note: It will not work...HKP-00031$119.95 -
HK MP5K, SP89, SP5K Rear Sight Drum - 9mm
H&K Heckler & Koch
$79.95HK German MP5K, SP89 and SP5K Factory Rear Sight Drum New factory correct German HK MP5K, SP89, and SP5K rear sight drum. Compatible With: MP5K SP89 SP5K Other custom builds or clones Please Note: Many shooters prefer to upgrade to the MP5 rear...HKP-01110$79.95 -
HK MP5, MP5K Rear Sight Base
HKP HK Parts
$19.95HKP HK Parts Rear Sight Base - Weldment for HK MP5 and HK MP5K The only factory-correct sight base with the factory HK German side axis grooves. Compatible With: MP5, MP5K SP89, HK94 MP5 40, MP5 10 MAC-5 clones may require custom fitment...HKP-02450$19.95 -
HK MP5K, SP5K Buffer Replacement - Choate Stocks
Choate
$20.95HK MP5K & SP5K Buffer Replacement - Choate Stocks Choate factory replacement buffer kit for Choate MP5K and SP5K stocks only.HKP-21041$20.95 -
Out Of Stock
HK MP5K, SP5K, SP89 Barrel - 9mm - 5.85" - 3 Lug
RCM
$149.95RCM MP5K/SP5K/SP89 9mm Barrel - Non-Threaded 3-Lug This is the only US-made non-threaded barrel that uses the same steel and Cold Hammer Forged (CHF) process as Heckler & Koch. Precision-milled to the latest MP5KN PDW specifications with...HKP-01764$149.95 -
Out Of Stock
HK MP5K, SP5K Super Safety Lower
AS Designs
$649.95AS Designs Super Safety Lower for the HK MP5K & SP5K Platform The ASD Super Safety Lower allows for faster follow-up shots by resetting after each shot. This is a true drop-in trigger and housing assembly featuring SEMI, SUPER, and SAFE...HKP-22386-M$649.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Supersonic Boom Boom
Zenith
$43.95Zenith 30 Round HK MP5 Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20830$43.95 -
HK MP5K, SP89, SP5K AR M4 Adapter and Stock - 9mm
HKP HK Parts
$229.95HK MP5K, MP5K-N AR Magpul Stock Each HK MP5K AR stock adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR stock adapter...HKP-17175$229.95 -
Out Of Stock
HK MP5, HK94K, SP89 Firing Pin
POF
$24.95HK Contract MP5, HK94 Firing Pin - POF Made from HK prints and tooling in the POF factory. The USA and German HK offering are a better offering with tighter tolerances and better materials. Compatible With: MP5 HK94 MP5K SP89 SP5K All 9mm, 40/10mm...HKP-18264$24.95 -
HK MP5, SP5K Rear Sight Set, Complete - Used
H&K Heckler & Koch
$109.95HK Heckler and Koch German Rear Sight Set Complete - Used for HK MP5 and HK94 Taken from demilled MP5's. Includes the entire rear sight assembly and hardware set for the complete rear sight assembly. In some cases, we have replaced the rear sight drum...HKP-00671$109.95 -
HK MP5, MP5K Optic Mount - Low Profile - Rear - Picatinny
CFG
$99.95CFG MP5, MP5K Low Profile Rear Sight Base Mount - 5 Slot This new offering is a neat low profile offering that allows the user to replace the rear sight and add an extremely low profile super robust picatinny optic mount to your HK MP5, MP5K firearm...HKP-18235$99.95