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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Selector Lever Set - Ambi 0,1 - Extended Left Side
HKP HK Parts
$99.95Left Side Extended & Standard Right Side Ambidextrous Selector Lever Set- 0,1 New for the US market is a pair of ambi selector levers for use ambidextrous 9X series trigger packs and trigger groups. 2 position Safe & semi only functions 0,1 FBI...HKP-17229$99.95 -
Out Of Stock
B&T Vertical Foregrip - Short Style - Quick Detach - Coyote Tan
B&T Brugger & Thomet
$75.00B&T Short Style Quick Detach Vertical Grip - Coyote Tan Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of tan polymer and includes a water tight storage compartment in the bottom of the...HKP-18041$75.00 -
HK MP5, HK94, SP89, SP5K Magazine Floorplate - 9mm
H&K Heckler & Koch
$10.95HK MP5, 94, MP5K, & SP-89 9mm Magazine Floor Plate - German HK New HK German manufacture. It will fit all HK MP5/MP5K magazines.HKP-01051$10.95 -
Out Of Stock
HK MP5, MP5K, APC Muzzle Brake - Quick Detach - 3 Lug - 9mm
B&T Brugger & Thomet
$140.00B&T HK MP5/MP5K Quick Detach Muzzle Brake - 3-Lug B&T Swiss manufactured QD muzzle brake for HK tr-lug pattern firearms. Specifications: Diameter 31 mm Length 73 mm Steel QPQ Treated Quick Detach Compatible With: HK MP5, MP5K HK SP5,...HKP-16898$140.00 -
HK MP5K Bolt Group - Complete - 9mm - SA/FA
RCM
$394.95Complete Bolt Group - RCM - HK Style MP5K 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group is compatible with semi and full-auto MP5K 9mm style firearms. Each bolt group comes complete,...HKP-19846$394.95 -
HK MP5K, SP5K, HK91, G3 Series Binary Trigger - Curved - BFSIII
FA Franklin Armory
$629.99Franklin Armory BFSIII HK-C1 Binary Trigger Pack for HK MP5K, HK SP5K, HK91, and HK G3 The BFSIII™ for HK is a 3-Position Trigger. In position 3 it will fire 1 round on Pull and 1 round on Release. This makes it the fastest semi-automatic trigger...HKP-18434$629.99 -
Out Of Stock
Outers Barrel Bore Cleaner - 9mm
Outer Impact
$7.95Outers 9mm Bore Cleaner .357/.38 Manufactured by the makers of the original BoreSnake and will work with all 9mm pistol and rifles. Features: Fast, quality bore cleaning system Size stamped on brass weight Washable Make your day shooting...HKP-19922$7.95 -
Out Of Stock
HK MP5 Flash Hider - 9mm - 3 Lug
H&K Heckler & Koch
$157.95HK Heckler and Koch's 9mm Flash Hider - 3-Lug This part attaches to the end of any factory specification 9mm 3-lugged barrel. This flash hider does not require the use of threads as it attaches to the 3-lug tip, this is also a great addition for any of...HKP-00082$157.95 -
Thread Protector - 9mm - Enhanced - 1/2x28 RH
HKP HK Parts
$19.95 - $29.95HKP HK 9mm Enhanced Thread Protector - Threaded 1/2x28 RH This enhanced thread protector is crafted from stainless steel and designed for 1/2x28 threaded barrels. Its unique design not only fits over and protects the crown of your barrel...HKP-17977-M$19.95 - $29.95 -
HK MP5, MP5K Cocking Handle - Enhanced
HKP HK Parts
$39.95HKP HK MP5, MP5K Cocking Handle - Enhanced The HKP enhanced cocking handle is just like our MP5 extended cocking handle but was designed to also function with UTG monolithic M-LOK handguards. Available exclusively at HK Parts. Specifications: Made in...HKP-22382$39.95 -
HK MP5SD Barrel Port Cleaning Brush Replacement Cartridge
HKP HK Parts
$38.75HKP MP5SD Replacement Cartridge for Barrel Port Brush Replacement cartridge for HK MP5SD barrel port brush. Our replacement cartridge is compatible with factory HK barrel brush assemblies. Compatible With: HK MP5SDHKP-21294$38.75 -
HK MP5K, SP5K Shoulder Rig Lanyard with Ring - US Made
$19.95HKP - U.S MP5K Shoulder Rig Lanyard with Ring For use with all HK shoulder harnesses to quickly deploy the stock when folded. This is the same style unit used by agencies such as the Secret Service, FBI etc. Our U.S lanyard is upgraded with a rubber...HKP-20855$19.95