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, SP5K Folding Stock with HKP Adapter - UMP Style
B&T Brugger & Thomet
$297.95B&T HK MP5K, HK SP5K UMP B&T Folding Stock H&K German polymer folding stock with a B&T adapter for HK MP5K. 100% Swiss and German HK made. This is a military grade stock. B&T Switzerland has supplied these to law enforcement and...HKP-16944$297.95 -
Receiver Shelf - Semi Auto - Billeted
$19.95Semi Auto Shelf for Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...HKP-01521$19.95 -
HK90 Series Cocking Tube End Cap - Steel
HKP HK Parts
$19.95Cocking Tube End Cap - Steel - US Made Manufactured from solid billet steel and finished in black in a nitride finish. Compatible With: All 90 series HK firearms and clones that use a triple frame/sight towerHKP-17580$19.95 -
HK MP5K Trigger Housing - SEF Navy - Push Pin - 9mm - LIKE NEW
H&K Heckler & Koch
$99.95Heckler and Koch MP5K 9mm SEF Navy Style Trigger Housing - Push Pin - LIKE NEW HK German factory SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push pin firearms that do not require a clipped and pinned...HKP-20576$99.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - RAL8000
H&K Heckler & Koch
$98.99New OEM Factory German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - RAL 8K Factory Heckler & Koch 9mm, 30-round magazine finished in RAL8000. These magazines are painted by the factory in Germany. Compatible With: MP5,...HKP-19354$98.99 -
On Sale
Ergo Rail Cover
Ergo
Now: $4.95Was: $8.95Ergo Rail Cover Protect your investment with these attractive low-profile "Ladder" rail protectors. Features: Ladder Panels offers low-profile 1913 Picatinny rail coverage Easy clip-on/off installation Provides a very low-profile grip Protects the...HKP-13514Now: $4.95Was: $8.95 -
Out Of Stock
B&T Vertical Foregrip - Short Style - Quick Detach
B&T Brugger & Thomet
$75.00B&T Quick Detach Short Style Vertical Grip - Black Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of black polymer and includes a water tight storage compartment in the bottom of the...HKP-17679$75.00 -
Out Of Stock
HK MP5, SP5K, HK94, SP89 Magazine Catch - 9mm - Latest Style
H&K Heckler & Koch
$64.95Heckler and Kock Magazine Catch Latest Style Genuine HK mag release for factory and clone firearms. This component often resolves issues with mags not locking into position on HK clones and builds. Constructed from a single piece of steel unlike the...HKP-00911$64.95 -
Out Of Stock
HK German Vertical Foregrip - Picatinny
H&K Heckler & Koch
$57.99HK German Vertical Grip Each HK Vertical Grip features factory HK markings & HK's unique locking system. HK's Vertical Grip has an HK-designed rock-solid attachment system that is self-contained in the grip and requires no tools for installation. It...HKP-00034$57.99 -
Out Of Stock
HK MP5, MP5K Locking Piece - 100 Degree
H&K Heckler & Koch
$89.95Heckler and Koch 100 Degree Locking Piece for HK MP5, HK MP5K, HK SP5, and HK SP5K The MP5 100-degree locking piece is the factory-correct locking piece for all HK MP5 and MP5K style firearms. Compatible With: MP5, MP5K HK SP5, SP5K SP89,...HKP-00134$89.95 -
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Cerakote - Heckler and Koch
H&K Heckler & Koch
$85.95 - $95.95Heckler and Koch MP5, SP5, SP5K, MP5K 9mm 30 Round Curved Magazine Factory fresh Heckler and Koch 30 round, curved 9mm. When only the best will do. Each magazine starts life as a brand-new, factory-sealed magazine, which is then expertly Cerakoted in...HKP-19979-M$85.95 - $95.95 -
HK MP5K, SP5K, SP89 Stock or Brace Adapter with Picatinny Rail
JMAC Customs
$94.95JMAC Customs MP5K, SP5K, SP89 9mm Brace/Stock Adapter with Picatinny Rail This stock adapter allows you to attach any 1913 style stock, brace to your MP5K. The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many...HKP-18990$94.95