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 MP5KSD, SP89 Barrel Shroud - Enhanced
HKP HK Parts
$119.95HK Parts MP5K SD Barrel Shroud For SP89 and MP5K Conversion Our MP5K SD shroud is a the best option for those who want to build a custom MP5K SD model. Made in the USA.HKP-00849$119.95 -
HK Selector Catch Lever Spring - Ambi Trigger Packs
H&K Heckler & Koch
$12.95HK German Ambidextrous Trigger Pack Axle Spring For Catch Lever This is the spring that powers the ambi lever that allows you to take apart any of the ambidextrous trigger packs. This lever spring takes the spring tension off of the left and right side...HKP-17328$12.95 -
On Sale
HK MP5, MP5K Hammer Spring - 9mm - US
MKE
Now: $3.89Was: $5.89MKE MP5/MP5K, AP5 Hammer Spring MKE MP5/AP5 replacement hammer spring. Worn hammer springs can cause light primer strikes and misfires. A great part to load up on for years of trouble free shooting. Crafted per HK specifications by MKE...HKP-22224Now: $3.89Was: $5.89 -
Out Of Stock
HK MP5K, SP89, SP5K 9mm Shoulder Harness - Right Handed
H&K Heckler & Koch
$299.95HK MP5K, SP89 & SP5K Shoulder Rig - Right Hand HK MP5K, SP5K shoulder harness with 2X spare magazine pouch. This is the finest shoulder harness available and is the one used by the Secret Service and other operators when discretely carrying the HK...HKP-01295$299.95 -
HK MP5, MP5K Magazine Locking Plate - 9mm
H&K Heckler & Koch
$16.95HK MP5 & MP5K Magazine Locking Plate - German New steel HK German manufactured MP5, MP5K curved magazine locking plate for the magazine. Compatible With: 40-round magazine 9mm 30-round magazine 9mm 20-round magazine 9mm 15-round magazine...HKP-01490$16.95 -
Out Of Stock
HK MP5K Picatinny End Plate Adapter
MI Midwest Industries
$89.95MI HK MP5K 1913 Picatinny End Plate Adapter The Midwest Industries Picatinny end plate adapter opens up a myriad of off-the-shelf stock and brace options. The adapter installs in the same manner as the factory end cap with the factory push pins...HKP-21584$89.95 -
HK Spring - Bent Elbow with Roller - Semi - Trigger, Sear Pack
H&K Heckler & Koch
$29.95H&K Heckler and Koch Semi Trigger Pack Or Sear Pack Elbow Spring W/ Roller Each spring is a great replacement for the converted packs that have bent elbow springs or for those that used the original F/A elbow springs that were bent to shape and are...HKP-00070$29.95 -
HK MP5K, SP89 Handguard - MLOK
HKP HK Parts
$89.95HKP MP5K/SP89 9mm Handguard - M-LOK The M-LOK tactical handguard installs on your firearm with minimal effort, no fitting required. Designed from the ground up by roller-lock enthusiasts. Features: Made in the USA (922r compliant) Accepts ALL...HKP-17264$89.95 -
HK MP5K, SP89, SP5K Binary Trigger Group - 9mm
Magpul / FA Franklin Armory
$889.95 - $919.95Magpul SL HK MP5K - Binary Trigger Group Perfect for those seeking a binary option combined with the comfort of a Magpul housing. We've paired a Magpul SL housing with our compatible binary selector levers and completed it with a Franklin Armory trigger...HKP-21408-M$889.95 - $919.95 -
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 MP5, SP5K Barrel Flute Brush - 9mm
HKP HK Parts
$22.95HKP HK Cleaning Brush - 9mm - Barrel Flute Short, flexible brush sized for cleaning 9mm fluted barrels. Designed to reach the grooves and remove fouling without damaging the flute edges. Compatible With: HK MP5/K HK SP5/K HK SP89 HK94 HK34 Clones and...HKP-22315$22.95 -
HK90 Series Trigger - Used
H&K Heckler & Koch
$14.95H&K 90 Series Trigger-Used German 90 series surplus trigger in used condition taken from demilled HK German G3 firearms. Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom buildsHKP-17920$14.95