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 MP5, HK94, SP5K Rear Sight Drum and Base
H&K Heckler & Koch
$109.95Heckler and Koch Rear Sight Drum and Base for HK MP5, HK94, and HK SP5K This is an HK German part that's a great upgrade for the SP5, SP5K, and SP89 or MP5K models. We highly suggest adding the following items to complete the rear sight set that's not...HKP-00073$109.95 -
ACR Folding Stock - Telescopic 7 Position - Picatinny Rail
F5 MFG
$249.95F5 ACR Folding Stock - Picatinny Mount - Universal The F5 ACR folding stock easily attached to any Picatinny rail, giving the user the versatility of swapping between any Picatinny equipped firearm. Features: 7-position...HKP-22280-M$249.95 -
On Sale
HK MP5K Trunnion - Gunsmith Special
USA
Now: $24.95Was: $54.95HK MP5K Trunnion - Gunsmith Special US made HK MP5 trunnions sold as-is. Will require work before being functional. We recommend the work be performed by a professional gunsmith. The condition will vary from part-to-part vs. the pictured unit. Compatible...HKP-99090Now: $24.95Was: $54.95 -
B&T Unigrip Fixed With Storage Compartment - FDE
B&T Brugger & Thomet
$69.95B&T Vertical Grip - Fixed Style With Storage Compartment - TAN Swiss made B&T vertical for-end grip for picatinny. Made of tan polymer and includes a water tight storage compartment in the bottom of the grip. Will fit all mil-spec picatinny rails...HKP-18042$69.95 -
HK MP5 Facemount KeyMount - KeyMicro - 360 1/2x28
JMAC Customs
$104.95JMAC Customs 360 1/2x28 Facemount KeyMount (KeyMicro) With the advancement of suppressor technology and the popularity of the KeyMount mounting system, the 360-28F was designed to allow users to install a KeyMount compatible muzzle device on their...HKP-20141$104.95 -
HK MP5K, SP89 Trigger Group, Complete - FBI
H&K Heckler & Koch
$849.95HK Heckler and Koch FBI Trigger Group Complete for HK MP5K and HK SP89 New HK German. This is a great upgrade and investment for your HK SP89 or HK MP5K clone. This trigger group is clipped and pinned and ready to install on your HK, with all the latest...HKP-00401$849.95 -
HK MP5K, SP89, SP5K Stock or Brace Adapter - AR - 9mm
HKP HK Parts
$114.95HKP MP5K/SP89/SP5K 9mm AR Brace/Stock Adapter Each AR stock, brace adapter is made from a solid billet of CNC machined aircraft grade aluminum. Properly buffered with factory correct H buffers to protect your expensive firearm. This is the finest AR...HKP-17138$114.95 -
Out Of Stock
HK MP5K Recoil Rod Assembly - 9mm
RCM
$54.95RCM HK MP5K Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5K NOT compatible with SP5K with the F-style recoil rod MP5K clones and...HKP-22203$54.95 -
On Sale
Picatinny Riser Mount - Super Slim - 4 Slots - BLEMISHED
Other
Now: $26.21Was: $49.95Super Slim Picatinny Riser Mount - 4 Slots - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The slim Picatinny riser mount is offered in two clamp...HKP-99229-MNow: $26.21Was: $49.95 -
Out Of Stock
B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
$90.00B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters This stock conversion kit will work on all models of telebraces with a tailhook adapter endplate. Perfect for converting you telescopic brace into a proper stock (NFA rules apply). The kit...HKP-21725$90.00 -
Out Of Stock
HK MP5K Folding Stock - MBT
B&T Brugger & Thomet
$569.95B&T HK MP5K - MBT Stock B&T MBT folding stock for HK MP5K. Polymer stock and adapter. Features: 8 position length adjustment Telescoping cheek riser w/ 3 position height adjustment Folds to the right canted downward 3.5 degrees Locks...HKP-21421$569.95 -
HK Binary Selector Set - Ambi Housing - RAL8000
HKP HK Parts
$79.95HKP/H&K MP5/K 9mm Ambi Housing Franklin Armory Binary Selector Set - RAL 8000 Elevate your Franklin Armory BFSIII HK Binary Trigger Pack with our new aluminum selector lever set, specifically designed for ambidextrous pictogram housings...HKP-21380$79.95