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, AP5-P End Cap - Incomplete
MKE
$27.95MKE MP5K, AP5-P - Incomplete MKE manufactured replacement end cap. This end cap does not include the buffer, hardware, or sling swivel. Compatible With: HK MP5K HK SP89 HK SP5K Century AP5-P, AP5-MHKP-22472$27.95 -
On Sale
HK MP5K Stock or Brace Adapter - .40 S&W, 10mm - Picatinny Rail
HKP HK Parts
Now: $82.84Was: $129.95HKP HK Parts Picatinny Rail Brace and Stock Adapter for HK MP5K .40, 10 Open your MP5K up to a vast range of brace and stock options with our Picatinny rail stock adapter. Designed specifically for the MP5K 40 cal and 10mm platforms. ...HKP-21833Now: $82.84Was: $129.95 -
HK416, MR556 Facemount KeyMount (KeyMicro) - 360HD 1/2-28 FD
JMAC Customs
$124.95JMac Customs 360HD 1/2-28 FD Facemount KeyMount (KeyMicro) The JMac Customs 360HD is a high-performance muzzle device designed for superior durability, recoil mitigation, and compatibility with suppressors. Engineered with 360° ports for optimal...HKP-21825$124.95 -
Out Of Stock
HK MP5, MP5K Optic Mount - Low Profile - T1, H1 Aimpoint
Aimpoint
$49.95Aimpoint T1 & H1 Low Profile Mount For HK MP5, MP5K New US manufactured scope mount that is similar in style as the revered B&T optics mount only made right here in the USA. All aluminum and made to last with a price that is attractive & hard...HKP-17117$49.95 -
HK MP5K Bolt Carrier - Full Auto - .40 S&W, 10mm - USA
HKP HK Parts
$149.95HKP MP5K 40/10 Full Auto Bolt Carrier Machined completely from billet ordnance steel. This carrier is made to the latest specs and is Tungsten filled, and heat treated providing the finest American made carrier available. Not to be confused with cheap...HKP-18362$149.95 -
Out Of Stock
HK MP5K PDW Trigger Group, Complete - FBI - 9mm
H&K Heckler & Koch
$799.95HK Heckler and Koch 9mm Complete PDW FBI Trigger Group for HK MP5K This is a great upgrade and investment for your factory swing down MP5K or PDW (shown with an optional small push pin installed). New HK German with all the latest HK upgraded parts...HKP-02699$799.95 -
WOOX Angled Grip - M-LOK - AFG
WOOX
$88.95WOOX M-LOK Angled Grip Compact angled foregrip for M-LOK handguards, built with a reversible dual-wall structure and checkered texture for a secure, consistent support-hand index. Features: Flat-bottom design for added stability and...HKP-22465$88.95 -
HK 90 Series Locking Roller for Bolt Head - 7.96mm
MKE
$28.95MKE -4 Roller for Bolt Head 7.96mm - Under-sized The proper roller size is essential for proper head spacing and bolt gap. Made in Turkey by MKE on HK tooling. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the...HKP-22238$28.95 -
On Sale
Century Arms AP5 Flash Hider - Incomplete
MKE
Now: $37.46Was: $79.95MKE AP5 Incomplete Flash Hider The MKE AP5 and MKE AP5-P OEM flash hider is an essential spare for anyone needing to replace a broken or damaged flash hider body. With a straightforward process, you can easily remove the locking latch, spring, and pins...HKP-22223Now: $37.46Was: $79.95 -
Out Of Stock
Picatinny Optic Mount - 52mm - Skeleton - Aimpoint T Series
B&T Brugger & Thomet
$165.00B&T QD Mount "Skeleton" for Aimpoint T Series 52mm B&T universal Picatinny mount 52mm QD riser mount for the Aimpont T Series of optics. Quickly attach and detach your Aimpoint T Series optic with B&T's precision machined 52mm mount. The...HKP-21772$165.00 -
On Sale
HK MP5SD, MP5K Locking Piece - 120 Degree - .40 S&W, 10mm
RCM
Now: $28.66Was: $44.95RCM HK MP5 & MP5K 40/10 SD 120 Degree Locking Piece Compatible With: MP5, MP5K MP5SDHKP-21524Now: $28.66Was: $44.95 -
HK MP5K, SP5K Slimline Handguard - OD Green - Refinished
H&K Heckler & Koch
$39.95Refinished HK MP5K Slimline Forearm - OD Green Refinished German military OD green slimline forearm with heat shield, modified to fit the MP5K. Available exclusively at HK Parts. Compatible With: MP5K, SP5KHKP-20498$39.95