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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On Sale
HK33, HK53, HK93 Push Pin Spring
MKE
Now: $2.19Was: $3.95MKE HK33, HK53, HK33 Push Pin Spring A must have replacement spring to have on hand. A quick and easy install spring to get your push pins back to working condition. A great replacement for those worn out springs that come loose while in action...HKP-22228Now: $2.19Was: $3.95 -
Out Of Stock
HK Screwdriver for Adjustable Rear Sight
H&K Heckler & Koch
$9.95Screwdriver for Adjustable Rear Sight Precision screwdriver designed for adjusting rear sights. Ideal for fine-tuning windage and elevation.HKP-21981$9.95 -
HK MP5K Weldment Set, Complete
$59.95MP5K Complete Weldment Set Each set of weldments is all of the weldments required for an MP5K flat. Includes: Rear sight base Sight tab Case deflector Semi auto shelf Side reinforcement tabs 2 X rear stock bushingsHKP-16231$59.95 -
HK MP5, MP5K Muzzle Protector Cap - 3-Lug
H&K Heckler & Koch
$19.95H&K MP5, MP5K Muzzle Protector Cap - 3-Lug New HK German high-impact polymer muzzle protector, sealing cap. Simply slide the barrel cap over the exposed HK MP5, MP5K 3-lug barrel and remove when needed. A must have for sealing the muzzle end of the...HKP-17666$19.95 -
HK MP5, HK91, G3, HK33 Cocking Tube Detent End Cap
H&K Heckler & Koch
$4.95HK German Cocking Tube End Cap/Dust Cap Detent HK German cocking tube detent for all steel and aluminum cocking tube end caps. Made of steel and finished in black.HKP-18050$4.95 -
HK MP5K Ace Style Stock
HKP HK Parts
$164.95HKP HK MP5K Ace Style Stock MP5K billet ace adapter paired with an all-steel ace-style stock.HKP-20953$164.95 -
On Sale
HK MP5 SP5K, SP89, G3, HK91, HK33, HK53, HK93 Rail Riser - Picatinny
MFI
Now: $29.95Was: $44.95MFI Picatinny Rail Riser For Scope MFI Picatinny rail riser to elevate your optic by 18.8mm (.740"). This see-through riser allows a full view through the factory iron sights. This unit is similar to the A.R.M.S. #5 base scope mount and STANAG to...HKP-00899Now: $29.95Was: $44.95 -
HK MP5, MP5K 3-Lug Blank Firing Adapter
H&K Heckler & Koch
$169.95H&K MP5/MP5K 3-Lug Blank Firing Adapter This part attaches to the end of the 3-lug barrel tip and will allow the use of 9mm blanks for training. A brand new HK German manufactured part. Specifications: 3-Lug Blank Firing Adapter Compatible...HKP-01990$169.95 -
Out Of Stock
HK MP5, MP5K Magazine Block Plug - 10 to 30 Round Conversion - .40 S&W, 10mm
HKP HK Parts
$9.95HKP HK Parts 10 Round Magazine Block for HK MP5 .40, 10mm MP5 10 to 30 mag block plug. This is designed to use on the HK MP5 40, 10 30 round magazine. Very easy to install and use. Compatible With: MP5 .40 S&W MP5 10mm Clones or other custom...HKP-18170$9.95 -
On Sale
HK MP5, 90 Series Locking Plate for Rollers
USA
Now: $3.95Was: $8.95Special Weapons HK MP5, 90 Series Locking Plate for Rollers SOLD INDIVIDUALLY This item is a common wear item that is great to have on hand as they are one of the top items that break or fail with use and age of the service weapon. Compatible With: MP5,...HKP-99399Now: $3.95Was: $8.95 -
HK SP5K Bolt Group - Suppressed - Full Auto - Spec
RCM
$409.95RCM HK SP5K Spec Suppressed Bolt Group- Full Auto The RCM SP5K Suppressed bolt group is expertly engineered for operating in full auto while suppressed. Although designed as a full-auto bolt group, it also functions perfectly in semi-auto receivers. This...HKP-22323$409.95 -
On Sale
HK MP5, HK90 Series Trigger Spring - SEF, Navy
MKE
Now: $2.45Was: $8.95MKE SEF & Navy 3 Position Trigger Spring The MKE trigger spring is an essential upgrade for anyone dealing with worn or broken trigger return springs in surplus trigger packs or as spares for all 90 series owners. These springs are fully compatible...HKP-22225Now: $2.45Was: $8.95