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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HK MP5K, SP5K Folding Stock - 10"
Zenith
$99.95Zenith HK MP5K, SP5K, SP89 Folding Stock Folds to the side for compact storage while providing a solid, stable shoulder stock when deployed. No modifications required on in-spec MP5K receivers. Specifications: Polymer and fiberglass reinforced Weight:...HKP-22419$99.95 -
Out Of Stock
HK MP5, SP5K Optic Mount - Aimpoint ACRO P-2
HKP HK Parts / Aimpoint
$689.95HK MP5 Aimpoint ACRO P-2 with HKP Optic Mount The HKP optic mount securely positions the ACRO P-2 sight for fast, intuitive target acquisition, while preserving a clear view of the factory sights. Includes: HK MP5 Optic Mount (ACRO interface) Aimpoint...HKP-21899-M$689.95 -
$20.95 -
HK MP5/SP5K Rear Sight Set Complete-Used
H&K Heckler & Koch
$109.95HK German MP5 & HK94 Rear Sight Set Complete - Used 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 with a brand-new German...HKP-00671$109.95 -
HK SEF Short Axle Selector Lever for Metal Trigger Housings - Refinished
HKP HK Parts
$34.95HKP SEF Short Axle Selector Lever for Metal Trigger Housings - Refinished HK steel SEF short axle 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-21921$34.95 -
HK MP5 Magazine - Supersonic Labeled - 30 Round
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, 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 -
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 -
On Sale
HK90 Series Ejector Lever Axle for SEF, Navy, and Burst Trigger Packs
MKE
Now: $13.46Was: $17.95MKE Trigger Pack Ejector Lever Axle Fits all SEF & Ambidextrous style HK trigger packs regardless of caliber. MKE product made on HK tooling. Fits all of the following 90 series trigger packs: SEF, O,1 Navy BurstHKP-22241Now: $13.46Was: $17.95 -
HK MP5K Slimline Handguard
H&K Heckler & Koch
$49.95H&K HK MP5K Slimline Forearm Used German military slimline forearm refinished in a black cerakote . Cut down to fit the MP5k. These are rare items only offered here at HK Parts. Each item is in good to excellent shape. Compatible With: MP5K,...HKP-20275$49.95 -
Out Of Stock
M-LOK Sling Swivel Mount - Quick Detach
AIM
$24.99M-LOK Quick Detach Sling Swivel Mount The Aim M-LOK® QD Sling Mount stud with QD swivel provides a front attachment point for your push button QD sling or sling with just strap. Includes: All necessary mounting hardware and wrenches Features: High...HKP-18589$24.99 -
HK MP5, MP5K Cocking Handle - Skeletonized
HKP HK Parts
$45.95HKP HK MP5, MP5K Extended Cocking Handle - Skeletonized Skeletonized extended cocking handle for MP5 & MP5K firearms. Designed to also function with UTG monolithic M-LOK handguards. Made from solid steel billet and nitrided for a robust finish...HKP-22273$45.95