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, MP5K, HK94K, SP89 Bolt Head - 9mm
RCM
$221.95HK MP5, 94, MP5K, & SP89 9mm - Complete Bolt Head Each bolt head incorporates a mixture of the finest quality US-made and factory German HK parts, making a new complete bolt head ready for use. Use this to replace out-of-spec bolt heads and worn-out...HKP-01241$221.95 -
Out Of StockOn Sale
HK MP5, HK90 Series Hammer Axle
MKE
Now: $1.98Was: $2.99MKE HK MP5 Hammer Axle MKE Hammer axle for the 90 series style of trigger packs. Each axle pin or pivot pin measures .237 inches (6.0mm). A great spare and must have spare part for anyone that owns an HK 90 series of firearm or trigger packs. Compatible...HKP-22227Now: $1.98Was: $2.99 -
M-LOK Rail Section - 7 Slot
Magpul
$21.95Magpul M-LOK 7 Slot Rail Section Designed for use with all M-LOK compatible Hand Guards and Forends, M-LOK Aluminum Rail Sections allow the attachment of various 1913 Picatinny spec rail-mounted accessories such as lights, vertical grips, etc. Machined...HKP-19569$21.95 -
On Sale
HK MP5K Dual Folding Stabilizer with Adapter
HKP HK Parts / Strike Industries
$289.95 - $299.95Strike Industries Dual Folding Stabilizer with HKP MP5K Adapter The Strike Industries Dual Folding Stabilizer paired with the HKP MP5K picatinny adapter is one of the best options on the market for those looking for a light, compact folding stock...HKP-21386-M$289.95 - $299.95 -
HK MP5, MP5K HK93, HK91, G3 Claw Mount with STANAG Adapter for Scope
H&K Heckler & Koch
$399.95HK Claw Mount With Stanag Adapter For Scope - Used (Good Condition) These parts just came in and were pulled from factory German Demilled HK G3s used in good shape. This product is no longer made or available as these are out of production, and...HKP-02387$399.95 -
HK MP5K, MP5KN Barrel - 9mm - 5.85" - Threaded 1/2x28 with 3 Lug
RCM
$164.95RCM HK MP5K/N 9mm Barrel - Threaded 1/2x28 - 3-Lug Machined from a cold hammer forged blank to the latest MP5KN PDW specifications, this barrel features factory-correct, updated 16 flutes in the chamber. It is 3-lugged, threaded, and designed to...HKP-19330$164.95 -
On Sale
HK MP5, HK90 Series Ejector Lever Axle
MKE
Now: $13.46Was: $17.95MKE Trigger Pack Ejector Lever Axle Fits all SEF & Ambidextrous style HK trigger packs regardless of caliber. MKE product made on HK tooling. Fits all of the following 90 series trigger packs: SEF, O,1 Navy BurstHKP-22241Now: $13.46Was: $17.95 -
HK Single Point Leather & Cotton Sling
HKP HK Parts
$59.95Single Point Leather & Cotton Sling Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a...HKP-21321-M$59.95 -
Out Of Stock
HK SEF Short Axle Selector Lever For Metal Trigger Housings - Extended
HKP HK Parts
$69.95HKP SEF Short Axle Selector Lever For Metal Trigger Housings - Extended HK steel SEF Extended selector lever. Fits all metal HK grip frames. Please note that the polymer (plastic) style SEF housing uses the long axle SEF selector lever and not this...HKP-19026$69.95 -
Link Anchor Poly Handstop
Strike Industries
$19.95Strike Industries Link Anchor Poly Handstop The LINK Anchor Handstop is made from a heat-resistant polymer that allows comfortable grip in any shooting condition. It has a low profile design that allows mounting through any MLOK or KeyMod openings. The...HKP-19645$19.95 -
Trigger Pack Hammer Spring - 5.56 / .223, 7.62x51 / .308 - Used
H&K Heckler & Koch
$4.95HK German Rifle Hammer Spring For All .308 & .223 Semi & Full Auto Trigger Packs The rifle 308/5.56 hammer spring is a popular upgrade in 9mm builds experiencing light primer hits. This is the factory correct 25 lb. weight for positive detonation...HKP-18066$4.95 -
HK MP5K, SP89, SP5K Barrel - 5.85" - Threaded 1/2x28 with 3 Lug
B&T Brugger & Thomet
$350.00B&T HK MP5K/SP5K/SP89 Barrel - Threaded 1/2x28 - 3-Lug New from B&T Switzerland, cold hammer-forged (CHF), properly fluted & nitrided MP5K/SP5K barrels manufactured exclusively for the HK SP5K. New Swiss manufactured from hand-picked Swiss...HKP-17894$350.00