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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Out Of Stock
H&K HK MP5K Discrete Briefcase
$2,995.00H&K HK MP5K Discrete Briefcase HK had these briefcases made for them to their specifications and conditions for many years. HK no longer makes or offers them. This case was made using German HK and German parts to complete the case offering as...HKP-19531$2,995.00 -
JMAC Universal Picatinny 8" Stock with 1913 Folding Mech
JMAC Customs
$304.90 - $309.90JMac 8" Stock with 0.275" Cheek Rise - 1913 Attachment Feautures: New Integrated Rubber Buttpad 2x Integrated QD Sling Socket 8" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding mechanisms 7075...HKP-21241-M$304.90 - $309.90 -
Magpul HK MP5K Adapter Brace with Stock
Magpul
$199.95Magpul HK MP5K Adapter Brace with Stock MP5K DT Magpul stock ready to drop in on any in-spec MP5K receiver or clone. We take our AR MP5K Adapter and attach it onto a mil-spec buffer tube. We then drop it on to the new Magpul DT Carbine stock. This is a...HKP-21412-M$199.95 -
MI Blast Can - 1/2x28 Thread (5.56/9mm)
MI Midwest Industries
$38.95MI Blast Can 1/2x28 Thread (5.56/9mm) Specifications: Directs muzzle blast forward on short barrel rifles and pistols. Does not reduce recoil or flash. Constructed from 6061 aluminum, and hardcoat anodized for a lifetime of service 1/2x28 threads for 5...HKP-21535$38.95 -
MP5 to MP5K Housing Conversion Service
USA
$149.95MP5 to MP5K Housing Conversion Service At HK Parts we are now offering our own HK trigger housing conversion service. No one does a better job with quicker turn around then we do. This conversion is the best option for those that want to install hard to...HKP-20473$149.95 -
Swiss Military Single Point Sling - OD Green - Used
$34.95Swiss Military Single Point Sling in OD Green - USEDHKP-19794$34.95 -
XS Front & Rear Night Sight System - HK
XS Sight Systems
$139.95XS Front & Rear Night Sight System - HK Compatible With: HK MP5, 94 HK MP5K, SP89 HK 90 series or Clones HK 91, G3, PTR HK 93, 33, 53 HK MP5 40/10 HK21 HK 416 Other HK 90 series custom builds that use the diopter-style sights.HKP-00883$139.95 -
H&K MP5K/SP89/SP5K 9mm Key Mod Handguard
HKP HK Parts
$89.95HK MP5K, SP89 Low Profile Forearm KEYMOD The Key MOD tactical hand guard easily installs on your firearm with minimal effort and locks up solid. No fitting required. Designed from the ground up by roller lock & HK enthusiasts with your shooting needs...HKP-17177$89.95 -
On Sale
HKP HK MP5K to MP5 Stock Adapter - BLEMISHED
HKP HK Parts
Now: $67.95Was: $129.95HKP HK MP5K to MP5 Stock Adapter - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Our new MP5K to MP5 stock adapter is the perfect addition for those...HKP-20988-BNow: $67.95Was: $129.95 -
MKE HK MP5/MP5K Replacement Parts Kit
MKE
$33.95MKE HK MP5/MP5K Replacement Parts Kit Keep your MP5 or MP5K in peak condition with this comprehensive MKE HK MP5/MP5K replacement parts kit. Manufactured to exacting standards by MKE, this kit includes high-quality replacement parts designed to restore...HKP-21896$33.95 -
Trijicon RMR/SRO 45° Rail Offset Adapter
USA
$91.45Trijicon RMR/SRO 45° Rail Offset Adapter Perfect for that situation where you need the versatility of a magnified optic paired with a Trijicon RMR or SRO red dot sight in close quarters. This offset rail adapter attaches to the firearm's picatinny...HKP-20336$91.45 -
Aimpoint Lower 1/3 Co-Witness T1 Mount
AIM
$29.99Aimpoint - T1 Mount - Lower 1/3 Co-Witness Features a machined recoil lug for consistent, repeatable mounting. Features: 6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series opticsHKP-19335$29.99 -
Out Of Stock
H&K 30 Round HK MP5 40/10 Magazine - Gray - Used
H&K Heckler & Koch
$159.9530 Round HK MP5 40/10 Magazine - Gray - Used These are compatible with all the HK MP5 40/10 rifles and pistols, including the Vector and CA clones.HKP-01726$159.95 -
Out Of Stock
H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$199.95H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Clipped & Pinned This clipped and pinned trigger housing is modified to fit MP5K or SP89 housings. It accommodates all HK German ambidextrous trigger packs and selector...HKP-00402$199.95 -
H&K SP5K 9mm Semi Auto Bolt Carrier
H&K Heckler & Koch
$449.95HK German SP5K Semi Auto Bolt Carrier New HK SP5K bolt carrier complete. Made in Germany. Compatible With: SP5K Will also work as a semi auto only carrier in all MP5K semi buildsHKP-18207$449.95 -
HK MP5K & SP89 - FBI Trigger Group Complete
H&K Heckler & Koch
$849.95HK MP5K & SP89 - FBI Trigger Group Complete New HK German. This is a great upgrade and investment for your HK SP-89 or MP5K clone. This trigger group is clipped and pinned and ready to install on your HK, with all the latest HK upgraded parts...HKP-00401$849.95 -
$14.95 -
Out Of Stock
HKP ACE Adapter for MP5K, SP89 & SP5K
HKP HK Parts
$54.95ACE Adapter for MP5K, SP89 & SP5K Each ACE 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 ACE adapter...HKP-18505$54.95 -
JMAC Customs Extended BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter
JMAC Customs
$239.95JMAC Customs Extended BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter The YHM-2050 HD (heavy duty) 3-Lug adapter is a quick-attach mounting option designed to provide added strength and longevity to your 3-Lug equipped firearm. This fully...HKP-20520$239.95 -
Surefire Infrared Filter For Lighted Forearms
Surefire
$64.95Surefire Infrared Filter For Lighted ForearmsHKP-16992$64.95 -
B&T Direct Thread 1/2x28 Hub Adapter
B&T Brugger & Thomet
$115.00B&T Direct Thread 1/2x28 Hub Adapter Convert any barrel to accept Hub devices with this direct fit adapter. Compatible With: MP5/K & SP5/K HK 416/MR556/MR223 HK G36/SL8 B&T APC223 AR-15/M16 Any 1/2x28 threaded barrelHKP-21506$115.00 -
H&K Extended Selector Lever - Burst 3 Position
H&K Heckler & Koch
$94.95H&K Extended Selector Lever - Burst 3 Position New HK ambidextrous left side EXTENDED (ESSL) 0,1,2 or 0,1,3 only burst selector lever for ambidextrous trigger packs or trigger groups. Will not fit SEF style trigger packs.HKP-16973$94.95 -
H&K MP5K/SP89 9mm SEF Navy Style Trigger Housing - Clipped & Pinned
H&K Heckler & Koch
$199.95H&K MP5K/SP89 9mm SEF Navy Style Trigger Housing - Clipped & Pinned Each housing is clipped & pinned for the semi-auto shelf of the HK MP5K builds or SP89 firearms. Specifications: Made In Germany Clipped & Pinned SEF Pictogram...HKP-00407$199.95 -
H&K Trigger Pack Housing - Semi 0,1
H&K Heckler & Koch
$129.95H&K 2 Position (0,1) Semi-Auto Trigger Pack Housing This trigger pack housing is professionally converted to semi-auto with all legal and correct modifications, including a semi-sear hole and trigger stop. It is designed to provide reliable...HKP-02177$129.95 -
HKP MP5K/SP89/SP5K 9mm AR Stock Adapter
HKP HK Parts
$114.95HK MP5K, SP89 Style AR, M4 Stock & Brace 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...HKP-17138$114.95 -
JMAC Customs BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter
JMAC Customs
$229.95JMAC Customs BDS-37 Blast Diversion Shield - Bravo with HD 3-Lug Adapter The YHM-2050 HD (heavy duty) 3-Lug Adapter is a quick-attach mounting option designed to provide added strength and longevity to your 3-Lug equipped firearm. This fully...HKP-20521$229.95 -
HK MP5K, SP5K, SP89 Vented Vertical Forearm w/ Handstop - Black
HKP HK Parts
$44.95MP5K, SP5K, SP89 - Vented Vertical Forearm with Handstop Each forearm will fit the MP5K or SP89 style of firearms. As an added bonus this item counts as a US made part toward 922r compliance. This is the finest forearm available for your HK firearm. Made...HKP-19498$44.95 -
HKP Ambi Housing Franklin Armory Binary Selector Set - RAL 8000
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 -
HKP MP5K 40/10 Receiver Flat
HKP HK Parts
$199.95MP5K-40, MP5K-10 Receiver Flat - USA Receiver Flat for use with a MP5K-40 or MP5K-10mm build. Please note: This is for the flat as picture no weldments are included. ***This US made receiver flat counts as one required 922r compliant part***HKP-18033$199.95 -
HKP Torx Binary Upgrade Screw Set
HKP HK Parts
$2.95HKP Torx Binary Upgrade Screw Set Upgrade your binary selector levers with our Torx hardware set. Torx hardware is less likely to strip than standard allen key hardware. Good spares to have on hand as well. Note: Each set comes with 2 screws.HKP-21816$2.95 -
Out Of Stock
Lee Sporting, Magpul HK MP5K Complete Trigger Group Flat Trigger
Lee Sporting, Magpul
$549.95Lee Sporting, Magpul HK MP5K Complete Trigger Group Flat Trigger Upgrade your firearm with this ergonomic replacement for the OEM grip. This trigger group is 4.3 oz lighter than the OEM version, featuring a housing made from MJF PA11 Nylon for enhanced...HKP-20484$549.95 -
Out Of Stock
B&T Vertical Fixed Unigrip - Black
B&T Brugger & Thomet
$90.00B&T Vertical Fixed Unigrip - Black Swiss made B&T vertical for-end grip for picatinny. Made of aluminum Will fit all mil-spec picatinny rails. Measures long. Specifications: Condition: Factory new Color: Black Material: Polymer/alloyHKP-18043$90.00 -
Out Of Stock
H&K MP5 & HK94 9mm Magazine Clamp - Used
H&K Heckler & Koch
$0.00Like New - HK German MP5 & HK94 Or MP5K & SP89 9mm Magazine Clamp. Allows The User To Clamp 2 Magazines Together For Ease Of Use & Safety By Keeping 2 Magazines Usable & At Your Disposal. Another Heckler & Koch Genuine Part.HKP-01730$0.00 -
H&K XX Marked 9mm Strutted Hammer
H&K Heckler & Koch
$159.95HK XX Marked 9mm Strutted Hammer Compatible With: MP5, 94, SP5 MP5K, SP89, SP5K MP5 40, MP5 10 Clones or other custom buildsHKP-00148$159.95 -
B&T HK MP5K - MBT Stock
B&T Brugger & Thomet
$590.00B&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$590.00 -
B&T MP5/MP5K Mount For Trijicon 1X24 Reflex
B&T Brugger & Thomet
$152.95B&T MP5 & MP5K Mount for Trijicon 1X24 Reflex Low profile mount for HK MP5 with Trijicon RX01m 1x24 Specifications: Color: Black Width max: 42.5 mm Length max: 125.5 mm Height max: 25.8 mm Material: Aluminum & steel Treatment: Hartcoat...HKP-16863$152.95 -
H&K HK MP5, HK SP5 10 Round Magazine Spring
H&K Heckler & Koch
$6.9510 Round Magazine Spring - HK MP5, 94, SP5 A must-have repair and replacement part great for spares. Compatible With: All factory spec steel 10 round MP5, 94 style curved magazinesHKP-19454$6.95 -
H&K MP5, HK94 & SP5K Rear Sight Drum & Base
H&K Heckler & Koch
$109.95H&K MP5, HK94, & SP5K Rear Sight Drum and Base 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 included. Sight...HKP-00073$109.95 -
Out Of Stock
H&K MP5, MP5K 9mm, Ambidextrous Navy Trigger Pack
H&K Heckler & Koch
$0.00H&K MP5/K 9mm Ambidextrous Navy Style Trigger Pack Designed for HK MP5 and MP5K 9mm ambidextrous housings and selector levers, this trigger pack features a Navy-style configuration with three positions: Safe, Semi, and Full. It offers the classic...HKP-16971$0.00 -
HKP MP5K/SP89/SP5K 9mm Cocking Tube - For Lefties
HKP HK Parts
$99.95US Made MP5K, SP89, MP5K-N, MP5K-PDW Cocking Tube- For Left Handed Shooters Made to exact HK German specifications only made for left handed shooters. The "J" channel is on the right hand side for a left handed shooter. Totally custom cocking tube,...HKP-17105$99.95