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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Picatinny Optic Mount Shield - Aimpoint T1, H1 - S.W.O.R.D.S
Frost Defense
$239.95Aimpoint T-1, H-1 Optic Mount - S.W.O.R.D.S - Picatinny Mount The S.W.O.R.D.S Enhanced optic shield designed for Aimpoint T1, H1 red dot sights. This patent-pending mount system provides robust glare and impact protection by surrounding the ocular and...HKP-22340-M$239.95 -
HK MP5K, SP89 Trigger Group with AC Unity Grip and Match Trigger
HKP HK Parts
$644.85HKP HK MP5K/SP89 Trigger Group with AC Unity Grip & Match Trigger The MP5K match trigger group combined with the AC Unity grip is a great choice for anyone seeking a tactical and aesthetically pleasing build. Featuring a robust metal housing and a...HKP-22254$644.85 -
HK MP5K Stock or Brace Adapter - .40 S&W, 10mm
HKP HK Parts
$113.95HKP HK Parts .40S&W and 10mm Brace and Stock Adapter for HK MP5K Easily attach your favorite A2 style stock to your MP5K 40, 10 with this durable, precision-engineered adapter. Made in the US and available exclusively at HK Parts. Compatible...HKP-21869$113.95 -
HK MP5K Barrel - 10mm - Threaded 14x.75 with 3 Lug
RCM
$279.95RCM HK MP5K 10mm Barrel - Threaded 14x.75 Upgrade your MP5K with the RCM HK MP5K 10mm Barrel, featuring a precise 14x1.75 threading for optimal accessory compatibility. Expertly crafted to enhance performance and reliability, this barrel is perfect for...HKP-21155$279.95 -
HK MP5K PDW Barrel - 10mm - Threaded 9/16x24 with 3 Lug
USA
$299.95USA MP5K-PDW 10mm Barrel - Threaded 9/16x24 - 3-Lug This US-made MP5KN-PDW 10mm barrel is a rare barrel. Ideal for enhancing your MP5K-PDW, this barrel combines precision threading with the versatility of a 3-lug mount. Specifications: Made In The...HKP-02317$299.95 -
HK MP5K Pistol Stabilizing Brace - SBA4 - Adapter Included - OD Green
SB Tactical
$294.95SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - OD Green MP5K, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment. This brace is the perfect addition...HKP-20354$294.95 -
Out Of Stock
HK MP5K Burst Trigger Group -3 Position S,E,3F - Push Pin - 9mm
H&K Heckler & Koch
$0.00Trigger Group (S,E,3F) - HK MP5K 9mm New factory HK German and rare only a few of these in the country and there will be no more Compatible With: HK MP5K 9mmHKP-02019$0.00 -
Out Of Stock
HK MP5, MP5K Ambidextrous 0,1 Trigger Pack - 9mm
H&K Heckler & Koch
$0.00H&K MP5/K 9mm 2 Position 0,1 Ambidextrous Trigger Pack Introducing the popular FBI or 0,1 style ambidextrous trigger pack, now available in a fully German-manufactured configuration. This trigger pack is designed for use with ambidextrous grip...HKP-18209$0.00 -
Out Of Stock
Bolt Head Locking Roller -4, 7.96mm
HKP HK Parts
$8.95HKP HK Parts -4 7.96mm Undersized Roller HK spec under-sized roller that will fit all HK bolt heads including HK91, G3, HK33, HK53, HK93, HK94, MP5, SP89 all clones and the Cetme and its clones. An easy way to remember the size you need to order: Plus...HKP-17558$8.95 -
HK SP5K Trigger Group - Super Safety
War Hammer Armaments
$624.95 - $674.95War Hammer Armaments OEM Polymer SP5K Super Safety Lower Receiver War Hammer Super Safety complete lower for SP5K platforms. Constructed of Kevlar and carbon-fiber–infused polymer, this complete lower is engineered for increased...HKP-22828-M$624.95 - $674.95 -
On Sale
HK MP5, HK94, MP5K, SP89 Firing Pin - TiN
HKP HK Parts
Now: $13.95Was: $17.95HKP HK MP5, HK94, MP5K, SP89 Firing Pin - TiN Each part is made using the factory HK material and specifications from original HK German blueprints. Compatible With: MP5, HK94 MP5K, SP89, SP5K MP5 40, 10mm, .357 Sig Zenith, POF, Omega,...HKP-99458Now: $13.95Was: $17.95 -
On Sale
HK MP5K Trigger Group - 9mm - Navy Style with AR Grip and Match Trigger - FDE - BLEMISHED
Magpul
Now: $519.95Was: $649.95Magpul HK MP5K AR 9mm Navy Style Match Trigger Group - FDE Our improved HK-AR Navy ambidextrous lower housing is now paired with our match trigger pack and a Magpul MOE grip to make this complete MP5K-AR style match trigger group. This trigger group is a...HKP-99474Now: $519.95Was: $649.95