HK 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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H&K MP5, HK94, MP5K & SP89 9mm Magazine Follower
H&K Heckler & Koch
$22.95HK MP5, MP5K 9mm Magazine Follower Factory chrome follower will work with all HK MP5 9mm curved magazines. This is a new HK German OEM part. 40 Round 30 Round 15 Round 10 RoundHKP-01050$22.95 -
HKP MP5, HK94 & MP5K 100 Degree Locking Piece
HKP HK Parts
$33.95HKP MP5, HK94 & MP5K 100 Degree Locking Piece Each 100 degree MP5 locking piece is the proper, correct locking piece for all HK MP5, 94 and full size clones as well as this is now the correct locking piece for all HK MP5K & MP5K-PDW variants, per...HKP-18049$33.95 -
Magpul Rail Light Mount M-LOK
Magpul
$19.95Magpul Rail Light Mount M-LOK Designed for use with all M-LOK mounting surfaces, the M-LOK polymer cantilever rail/light mount allows the attachment of various MIL-STD-1913 Picatinny spec rail-mounted accessories such as lights and optics, and directly...HKP-20689$19.95 -
MI HK MP5K, HK SP89 Top Rail - Black
MI Midwest Industries
$129.95MI HK MP5K, HK SP89 Top Rail - Black Midwest Industries picatinny and M-lok top rail for MP5, HK94 style weapons and clones. An amazing profile option for your MP5 style weapon. Offers a combination of strength, adaptability and extreme lightweight...HKP-19113$129.95 -
Choate MP5K/SP89/SP5K 9mm Tactical Folding Stock
Choate
$229.95HK SP5K Folding Tactical Stock Made in the USA and counts as one 922r compliant part. Compatible With: MP5K D54K SP5K SP89 Zenith Z-5P/Z-5K & in-spec clonesHKP-00781$229.95 -
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - FDE
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - FDE Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the finest...HKP-19974$99.95 -
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - Red
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - Red Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the finest...HKP-19971$99.95 -
HKP HK 9mm Enhanced Thread Protector - Threaded 1/2x28 RH
HKP HK Parts
$19.95HKP HK 9mm Enhanced Thread Protector - Threaded 1/2x28 RH This enhanced thread protector is crafted from stainless steel and designed for 1/2x28 threaded barrels. Its unique design not only fits over and protects the crown of your barrel but...HKP-17977$19.95 -
SB Tactical - HK SP5K Side Folding Brace - Skeletonized
SB Tactical, HKP HK Parts
$229.95Side Folding Pistol Stabilizing Brace with HK Parts Adapter - HK MP5K, SP89, SP5K & Clones The HK Parts adapter offers a QD attachment point and is made from hard coat anodized aluminum. Available exclusively at HK Parts. Features: Made...HKP-21056$229.95 -
HKP HK MP5SD Barrel Port Brush Replacement Cartridge
HKP HK Parts
$38.75HKP MP5SD Replacement Cartridge for Barrel Port Brush Replacement cartridge for HK MP5SD barrel port brush. Our replacement cartridge is compatible with factory HK barrel brush assemblies. Compatible With: HK MP5SDHKP-21294$38.75 -
H&K MP5 & MP5K 9mm Magazine Floor Plate
H&K Heckler & Koch
$10.95HK MP5, 94, MP5K, & SP-89 9mm Magazine Floor Plate - German HK New HK German manufacture. It will fit all HK MP5/MP5K magazines.HKP-01051$10.95 -
Out Of Stock
HKP MP5 9mm Muzzle Brake - 3 Lug
HKP HK Parts
$104.95HKP MP5 9mm Muzzle Brake - 3 Lug Easily attaches to the end of any factory German specification 9mm 3 lugged barrel. This muzzle brake doesn't require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on...HKP-18795$104.95 -
RCM HK Style MP5K 9mm Complete Bolt Group
RCM
$379.95Complete Bolt Group - RCM - HK Style MP5K 9mm Ideal to replace out of spec, worn or broken bolt groups or for that custom build. Each bolt group will work and fit on semi or full auto MP5K 9mm style firearms. This is the finest US BCG available. Each...HKP-19846$379.95 -
HK Parts MP5K Folding Stock Buffer
HKP HK Parts
$9.95HK Parts MP5K Folding Stock Buffer This item used to replace the factory HK buffer on MP5K folding stocks and end cap. This is only usable on the factory OEM stock and end cap. This buffer can also be used as a replacement buffer for all of MP5/MP5K...HKP-20833$9.95 -
Magpul SL HK MP5K - Binary Trigger Group
FA Franklin Armory / Magpul
$889.95 - $919.95Magpul SL HK MP5K - Binary Trigger Group Perfect for those seeking a binary option combined with the comfort of a Magpul housing. We've paired a Magpul SL housing with our compatible binary selector levers and completed it with a Franklin Armory trigger...HKP-21408-M$889.95 - $919.95 -
B&T Short Style Quick Detach Vertical Grip - Coyote Tan
B&T Brugger & Thomet
$75.00B&T Short Style Quick Detach Vertical Grip - Coyote Tan Swiss made B&T quick detach short vertical for-end grip with quick release throw lever for picatinny. Made of tan polymer and includes a water tight storage compartment in the bottom of the...HKP-18041$75.00 -
HKP 90 Series Paddle Mag Release Easy Install Fixture
HKP HK Parts
$187.95HKP 90 Series Paddle Mag Release Easy Install Fixture The original one and only paddle mag release fixture. The perfect jig for the installation of the factory correct paddle mag release with the proper hole placement and an easy to use jig that will...HKP-17587$187.95 -
HKP SP5K 9mm Drop In Paddle Mag Release Upgrade Kit
HKP HK Parts
$74.95HK SP5K Anti-Rattle Roller Tipped "Paddle" Magazine Release Install Kit No modifications, no refinishing...complete drop-in kit included. New USA made busing for a drop-in install kit for the HK SP5K. This kit will allow any end-user to quickly,...HKP-18192$74.95 -
Elite Tactical Systems 10 Round MP5 9mm Magazine-Translucent
Elite Tactical Systems
$39.95HK MP5 9mm 10 Round Translucent Magazine Features: Works with ETSCAM-RIFLE speed loader Extremely reliable feeding - Even with hollow points Far lighter than steel magazines Limited 10 round capacity Lifetime Warranty Advanced Polymer...HKP-18740$39.95 -
HK SP89, SP5K, MP5K - Forearm
HKP HK Parts
$29.95HK SP89, SP5K, MP5K - Forearm Compatible With: HK MP5K HK SP89 HK SP5K MP5 Reverse Stretch Style Builds Custom MP5K/ SP89 builds Specifications: Made in the USA 922r Compliant Brand: HK Parts *Can be modified to install on MP5K-N builds with 3...HKP-17397$29.95 -
HKP 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 -
On Sale
Magpul HK SP5K SL Grip Module
Magpul
Now: $199.95Was: $239.95Magpul HK SP5K SL Grip Module HK Parts brings a solution for those wanting to upgrade to the Magpul SL grip. This is a perfect option for those wanting improved ergonomics and a modern aesthetic. The pictograms are hand-painted to match the factory...HKP-20945-MNow: $199.95Was: $239.95 -
Out Of Stock
Zenith - No Evil MP5 Magazine
Zenith
$43.95Zenith - No Evil MP5 Magazine The infamous three wise monkeys laser-etched into a Zenith magazine. Hear no evil, see no evil, speak no evil. Limited run so get them while you can! Application of oil is recommended depending on climate...HKP-20842$43.95 -
HKP MP5K/SP89 9mm Handguard - M-LOK
HKP HK Parts
$89.95HKP MP5K/SP89 9mm Handguard - M-LOK The M-LOK tactical handguard installs on your firearm with minimal effort, no fitting required. Designed from the ground up by roller-lock enthusiasts. Features: Made in the USA (922r compliant) Accepts ALL...HKP-17264$89.95 -
H&K Selector Catch Lever Spring For Ambidextrous Trigger Packs
H&K Heckler & Koch
$12.95HK German Ambidextrous Trigger Pack Axle Spring For Catch Lever This is the spring that powers the ambi lever that allows you to take apart any of the ambidextrous trigger packs. This lever spring takes the spring tension off of the left and right side...HKP-17328$12.95 -
H&K Sling Hardware
H&K Heckler & Koch
$4.95HK German Sling Hardware New Old Stock Slider and sling tension adjuster for HK style slings and other sling applications. Steel manufacture.HKP-19367$4.95 -
H&K 90 Series Trigger-Used
H&K Heckler & Koch
$14.95H&K 90 Series Trigger-Used German 90 series surplus trigger in used condition taken from demilled HK German G3 firearms. Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom buildsHKP-17920$14.95 -
HKP 9mm A2 Style Flash Hider - 3-Lug
HKP HK Parts
$99.95HKP 9mm A2 Style Flash Hider - 3-Lug Easily attaches to the end of any factory specification 9mm 3 lugged barrel. This flash hider does not require the of threads as it attached to the 3 lug tip. Also a great addition for any of 3 lug barrels found on in...HKP-19520$99.95 -
HKP SP5K Bench Mat
HKP HK Parts
$13.95HK MP5K, SP5K, SP89 Gunsmithing Bench Mat This isn't your ordinary gun cleaning mat. Show your pride for your HK SP5K firearm while using our high quality neoprene rubber backed and cloth topped gun cleaning mat to protect your gun bench, desk, kitchen...HKP-18213$13.95 -
H&K MP5 & MP5K Railed Scope Mount - MLI - RAL 8000
H&K Heckler & Koch
$279.99HK German Low Profile Mount For HK MP5, MP5K- MLI - RAL 8000 HK MP5, MP5K low profile picatinny scope mount. Manufactured in house at HK Germany as part of the "Mid-Life Improvement" upgrade for the MP5 family of firearms. The first Picatinny style low...HKP-17661$279.99 -
On Sale
MP5 & MP5K 9mm Magazine Floor Plate - BLEMISHED
Now: $5.95Was: $9.95MP5 & MP5K 9mm Magazine Floor Plate - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART MP5, MP5K 9mm magazine floor plate. Fully heat treated and built to factory...HKP-17507-BNow: $5.95Was: $9.95 -
H&K MP5K/SP89/SP5K 9mm Forearm
H&K Heckler & Koch
$85.99HK SP5K Forearm - German Made from the best materials and processes available. Can be modified to install on MP5K-N builds with 3 lug barrels. Compatible With: MP5K, SP89 & SP5K Custom builds & projects, MP5K, SP89 buildsHKP-18063$85.99 -
H&K Semi Trigger Pack Or Sear Pack Elbow Spring W/ Roller
H&K Heckler & Koch
$29.95H&K Semi Trigger Pack Or Sear Pack Elbow Spring W/ Roller Each spring is a great replacement for the converted packs that have bent elbow springs or for those that used the original F/A elbow springs that were bent to shape and are prone to breakage.HKP-00070$29.95 -
Magpul M-LOK 7 Slot Rail Section
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 -
H&K MP5 9mm Flash Hider - 3-Lug
H&K Heckler & Koch
$164.95H&K MP5 9mm Flash Hider - 3-Lug This part attaches to the end of any factory specification 9mm 3-lugged barrel. This flash hider does not require the use of threads as it attaches to the 3-lug tip, this is also a great addition for any of the 3-lug...HKP-00082$164.95 -
H&K MP5 & MP5K 9mm Magazine Locking Plate
H&K Heckler & Koch
$16.95HK MP5 & MP5K Magazine Locking Plate - German New steel HK German manufactured MP5, MP5K curved magazine locking plate for the magazine. Compatible With: 40-round magazine 9mm 30-round magazine 9mm 20-round magazine 9mm 15-round magazine...HKP-01490$16.95 -
H&K Claw Mount With Stanag Adapter For Scope
H&K Heckler & Koch
$299.95HK 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$299.95 -
HKP Enhanced Ambi Selector Set - Contoured SEF
HKP HK Parts
$74.95Ambidextrous Selector Lever Set For Contoured SEF Polymer Grip Frames Features: Billet machined enhanced left & right side selector lever set Latest HK style titanium detent, enhanced spring for positive movement between...HKP-18257$74.95 -
Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group
FA Franklin Armory
$879.95Franklin Armory HK MP5K - BFSIII HK-C1 Binary SEF Navy Style Trigger Group In position 3 it will fire 1 round on pull and 1 round on release. With a 4.5 lb trigger pull, making this the fastest semi-automatic trigger on the market. The BFSIII™ is...HKP-20928-M$879.95 -
H&K German 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