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
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, 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 -
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 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, SP89, SP5K Tactical Folding Stock - 9mm
Choate
$229.95HK SP5K Folding Tactical Stock Made in the USA and counts as one 922r compliant part. Compatible With: MP5K D54K SP5K SP89 Zenith Z-5P/Z-5K & in-spec clonesHKP-00781$229.95 -
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 -
HK MP5K, SP5K Folding Brace
B&T Brugger & Thomet / SB Tactical
$239.95Folding Brace - Swiss - B&T MP5K, SP5K Factory Swiss B&T MP5K, SP5K Folding Pistol Brace with the SB Tactical/B&T components assembled. A rare offering using the B&T Swiss manufactured folding polymer end cap with sling swivel. Available...HKP-19356$239.95 -
HKMP5, HK90 Series Paddle Mag Release Fixture - Easy Install
HKP HK Parts
$187.95HKP HK Parts Paddle Mag Release Easy Install Fixture for HK90 Series The original one and only paddle mag release fixture. The perfect jig for the installation of the factory correct paddle mag release with the proper hole placement and an easy to...HKP-17587$187.95 -
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 -
HK MP5K, SP89 Locking Piece - 110 Degree - 9mm
RCM
$33.95MP5K, SP89 Locking Piece - 110 Degree - RCM US-Made Locking Piece. Made from ordnance grade steel, heat treated, and made to last by RCM. HK no longer makes the 110-degree locking piece as they use the 100-degree locking piece in all 9mm MP5 and MP5K...HKP-01465$33.95 -
HK SP5K Side-Folding Brace - Skeletonized
HKP HK Parts / SB Tactical
$229.95Side Folding Pistol Stabilizing Brace with HK Parts Adapter - HK MP5K, SP89, SP5K & Clones The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Available exclusively at HK Parts. Features: Made...HKP-21056$229.95