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 MP5, HK94, SP5K Magazine Floorplate - 9mm - US
HKP HK Parts
$9.95HK MP5 & MP5K 9mm Magazine Floor Plate - US New US manufactured MP5, MP5K 9mm magazine floor plate. Made in the USA, fully heat treated and built to factory specification. A great replacement for 922r compliance as it counts as 1 US made compliant...HKP-17507$9.95 -
Out Of Stock
HK MP5, SP5K Optic Mount - 5 - 5/8" - MLI - Picatinny Rail
H&K Heckler & Koch
$359.99HK German Low Profile Mount for HK MP5, SP5 & MP5K, SP5K - MLI HK German manufactured HK MP5, MP5K low profile Picatinny scope mount. Manufactured at HK in Germany as part of the "Mid-Life Improvement" upgrade for the HK MP5 family of firearms. The...HKP-17629$359.99 -
HK MP5, MP5K Optic Mount - Extended Claw - Picatinny
UTG PRO
$64.95UTG HK MP5/MP5K Claw Mount - Extended Picatinny UTG Pro Claw Mount for MP5 and MP5K pattern firearms featuring UTG's patented receiver locking interface. Each U.S. made mount features an extended Picatinny rail, lightweight matte black...HKP-21606$64.95 -
HK MP5K, SP5K, SP89 Folding Stock
B&T Brugger & Thomet
$275.00B&T Brugger and Thomet HK MP5K, SP5K, SP89 Folding Stock Factory Swiss-made B&T folding stock for MP5K-pattern firearms. This military-grade stock is built to the same specifications B&T supplies to OEM contracts and installs using standard...HKP-00172$275.00 -
Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 15 Round - 9mm
H&K Heckler & Koch
$99.95Heckler and Koch German MP5, MP5K, SP5, SP5K - 15 Round Magazine Brand new factory fresh German HK 15 round curved magazine. Each magazine is stamped 9X19mm and is a new HK German production. Compatible With: MP5, SP5 MP5K,...HKP-02409$99.95 -
HK MP5SD Sealing Ring - Enhanced
HKP HK Parts
$9.95HKP HK Parts Enhanced Sealing Ring for HK MP5SD The enhanced sealing ring is made from a newer, longer-lasting material as well as having a slightly thicker profile for secure sealing. The MP5SD sealing ring is the gasket that seals the SD...HKP-18053$9.95 -
HK MP5, MP5K Cocking Handle - Extended
HKP HK Parts
$39.95HK MP5, MP5K Contoured Cocking Handle - Extended Enhanced extended cocking handle for the MP5 style of firearms. Each cocking handle offers twice the grabbing area for charging the firearm and each is made 100% from solid steel billet. Each item also...HKP-17149$39.95 -
M-LOK Vertical Foregrip - Long
HKP HK Parts
$24.95HKP Universal M-LOK Long Grip This grip is by far the nicest grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out there that offers a built in aluminum...HKP-20680$24.95 -
Out Of Stock
HK MP5, MP5K Locking Piece - 100 Degree - RCM
RCM
$39.95RCM MP5, HK94 & MP5K 100 Degree Locking Piece Each 100-degree MP5 locking piece is the proper, correct locking piece for all HK MP5, HK94 and full-size clones as well as this is now the correct locking piece for all HK MP5K & MP5K-PDW variants,...HKP-01242$39.95 -
HK MP5 Trigger Pack - Full Auto - Complete - 9mm
H&K Heckler & Koch
$349.95H&K Heckler & Koch - HK MP5 Trigger Pack - Full Auto - Complete - 9mm German Each factory full auto trigger pack includes a new 9mm 3rd generation German ejector lever installed. We do NOT use Pakistani, MKE, or US-made ejector levers in our...HKP-00981$349.95 -
HK MP5, SP5K Firing Pin Spring
H&K Heckler & Koch
$9.95HK Heckler & Koch HK94, MP5 Spring - Firing Pin German Fits all of the MP5, SP5, SP5K, MP5K 9mm and 40/10 Variants including MP5, 94 clones. The firing pin is one of the most common repair and replacement items. Compatible With: MP5, MP5K SP5,...HKP-00062$9.95 -
Out Of Stock
HK MP5, MP5K Cocking Handle - Extended - Enhanced
HKP HK Parts
$39.95HKP HK MP5, MP5K Extended Cocking Handle - Enhanced Enhanced extended cocking handle for the MP5 & MP5K style of firearms. Designed to also function with UTG monolithic M-LOK handguards. Made from solid steel billet and coated with a salt bath...HKP-18267$39.95