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 MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED
H&K Heckler & Koch
$99.95H&K MP5K 9mm SEF Navy Style Trigger Housing - Clipped & Pinned - USED In used but good condition. Each German HK housing will have some handling marks, nicks and dings. Each housing is in perfectly useable condition and each unit has been clipped...$99.95 -
HK SP5K, MP5K Spring - Cocking Tube Support - Reverse Stretch
H&K Heckler & Koch
$6.95H&K SP5K, MP5K Reverse Stretch Cocking Tube Support Spring A great spare to have on hand as this part can become worn and be lost. The cocking tube support spring applies pressure to the cocking tube detent to enable to the detent to lock into...$6.95 -
Picatinny Rail for HK Receivers - 15 Slot
DTAC Dakota Tactical
$74.95Dakota Tactical Picatinny Rail To Weld To The Receiver Mil-Spec all steel picatinny rail in the white, relief cut for HK receivers & made for mounting scopes and optics to HK builds. This unit easily welds to the top of your HK receiver. Compatible...$74.95 -
HKMP5K, SP5K Stock - ACR Adapter
Magpul
$579.95HK SP5K ACR Stock Our aircraft-grade aluminum SP5K ACR adapter is now offered in this combo stock unit. Pre-installed and ready to drop in. With this SP5K ACR combo stock you will add the capability of an adjustable cheek rest and length of pull...$579.95 -
HK MP5, MP5K - Binary Selector Set - Ambi Housing - Skeletonized - HK
HKP HK Parts
$79.95HKP/H&K MP5, MP5K 9mm Selector Lever Set For Franklin Armory BFSIII HK Binary Trigger Pack - Skeletonized Aluminum The HKP skeletonized aluminum selector lever set was modeled after the HK ambi style selector lever and modified for a cleaner...$79.95 -
HK MP5K, SP89, SP5K End Cap with Sling Swivel - 9mm - H&K
H&K Heckler & Koch
$99.95HK Factory German MP5K, SP-89, & SP5K End Cap With Sling Swivel Each pistol end cap is OEM HK German MP5K and MP5K-N and has the HK German factory buffer. Compatible With: MP5K SP89 SP5K MP5K-N MP5K-PDW MP5K Clone Or Other Custom Builds$99.95 -
HK MP5, MP5K Magazine - 9mm - 30 Round
MKE
$64.95HK MP5 30 Round Magazine - MKE - AP5 These MKE 30 round magazines are the perfect addition or replacement for your AP5 or MP5 pistol. The MKE magazine features the original MP5 design. Constructed of heat-treated steel for lasting...$64.95 -
HK MP5, MP5K Magazine - 9mm - 30 Round - Bundle of 10
Zenith
$349.9530 Round Magazine - Zenith - MP5, MP5K - Bundle of 10 Features: Durable electro-plated black finish for exceptional corrosion resistance All steel construction Round count indicator holes on the rear of the magazine Stainless steel...$349.95 -
HK SEF Skeletonized Binary Aluminum Selectors
HKP HK Parts
$69.95HK Selector Lever Set for BFSIII HK Binary Trigger Pack - SEF Grip Frames - Aluminum Skeletonized Our new selector lever set was modeled after the HK style selector lever for the Franklin Armory trigger packs. With our new skeletonized selector...$69.95 -
HK MP5K, SP5K Pistol Stabilizing Brace - SBA3 - 5 Position Adjustable
SB Tactical
$269.95SBA3 - 5 Position Adjustable Stabilizing Brace - MP5K / SP5K The perfect addition to your firearm with the ability to adjust length with its 5-position adjustable buffer tube. Dramatically enhances versatility, and features a minimalist design with an...$269.95 -
HK MP5 40/10 Magazine Clamp
H&K Heckler & Koch
$129.95New HK German MP5 40/10/.357 Magazine Clamp Fits all MP5 40/10 Magazines. Holds two magazines together for immediate access.$129.95 -
HK MP5 Magazine Follower - 10mm / .40 S&W - USA
HKP HK Parts
$9.95HKP MP5 40/10 Magazine Follower A perfect replacement part for all HK MP5 40/10 magazines. Also counts as one 922r compliant part.$9.95