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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
HK MP5, MP5K Ejector Lever - 9mm
MKE
$19.95MKE HK MP5/K 9mm Ejector Lever Upgrade or replace your worn ejector lever with this quality part, made for HK MP5 and MP5K 9mm models. Whether you're finishing a build or refreshing your setup, this piece helps keep your firearm running. Compatible...HKP-21920$19.95 -
HK Roller Retainer Spring - Action 3
H&K Heckler & Koch
$6.74H&K Heckler & Koch HK Spring - Roller Holder - Retainer - Action 3 Roller Retainer Spring Second-generation roller holder. Each retainer fits all Action 3 9mm MP5 & MP5K bolt heads & MP5 40/10 bolt heads. The roller retainer spring...HKP-00068$6.74 -
HK MP5, HK90 Series Extractor Spring - FMP
H&K Heckler & Koch
$3.49HK Parts contracted with FMP to bring you this Rifle Extractor Spring New FMP contract! The extractor spring is the number one replaced item on HK firearms. Many HK gunsmiths recommend upgrading with the longer stronger silver spring. Upgrade your...HKP-16248$3.49 -
HK Small Push Pin for Handguards and Lowers
USA
$7.59HK Small push pin - US Made All steel small push pin for use on the lower grip housing for a push pin style of lower housing. Black nitride finish which adds extra durability to the pin plus corrosion and abrasion resistance. The small push pin is also...HKP-20397$7.59 -
Out Of Stock
HK MP5, MP5K Extractor - 9mm
H&K Heckler & Koch
$79.95New HK German HK 9mm Extractor - Latest Generation This is the latest and greatest HK MP5 (newest F style version) German extractor. Each unit works with all HK MP5, HK94, HK MP5K, HK SP89, HK SP5K, or other 9mm clones. A great part to have as a spare or...HKP-00057$79.95 -
HK Rear Sight Tool - Diopter Sights
HKP HK Parts
$29.95HK Diopter Rear Sight Tool - Military Contract Diopter sight tool is perfect for those that need to adjust all sizes of HK diopter type sights for the entire family of HK rifles including clones. A military contract over-run and mil-spec quality at the...HKP-16511$29.95 -
HK MP5 Magazine Spring - 30 Round
H&K Heckler & Koch
$6.95HK MP5 30 Round Magazine Spring - German The MP5 30-round spring is a must-have replacement spring for all HK MP5 curved magazines. HK factory springs have been known to help cure worn, weak, or aftermarket magazine springs that do not feed well and...HKP-00089$6.95 -
HK MP5 Optic Mount - Trijicon RMR, Holosun, Swampfox
HKP HK Parts
$97.95HKP HK Parts HK MP5 Mount - Optic - Holosun, RMR Quickly attach any RMR pattern red dot sight to your MP5 platform firearm with the HKP optic mount. Our 3-piece mount installs securely to the receiver and co-witnesses with the factory iron sights...HKP-20731-M$97.95 -
HK Gen 1 Spring Upgrade - Roller Retainer Plate
HKP HK Parts
$9.95HKP 1st Gen Roller Retainer Plate To Spring Upgrade This action 3 roller retainer spring for all 1st Generation bolt heads replaces the oval-shaped roller retainer plate. HK made a wire spring as an upgrade for later production bolt heads to improve the...HKP-02119$9.95 -
HK MP5, MP5K Optic Mount - Picatinny
MI Midwest Industries
$80.95MI Midwest Industries HK MP5, MP5K Mount - Scope - 9mm - Picatinny Rail Specifications: Easy no gunsmith install, all tools included Allows the user to mount an optic and a light or laser while retaining the factory handguard Patent-pending rock-solid...HKP-19368$80.95 -
HK MP5, SP5K Magazine Loader and Unloader - Curved 9mm
Maglula
$29.95Maglula Mag Loader/Unloader When using this part, the magazines can be loaded in 1/3 (60% less) of the time than loading by hand; this equates to more time shooting and less time loading. Features: Easy to use (step-by-step instructions included) Loads...HKP-14546$29.95 -
Locking Roller - Plus and Minus Sizes
RCM
$8.95RCM Rollers, + & - Sizes RCM US-made locking rollers are available in both plus and minus sizes, making them the ideal choice for adjusting bolt gaps. These rollers are the top-tier locking rollers on the market, delivering unbeatable performance and...HKP-22094-M$8.95