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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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 -
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 -
Trijicon HK SP89, Carbines, Rifles Bright & Tough Night Sights
Trijicon
$159.95Trijicon HK SP89, Carbines, Rifles Bright & Tough Night Sights Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they...HKP-20321$159.95 -
Trijicon RMR/SRO 45° Rail Offset Adapter
USA
$84.95Trijicon 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$84.95 -
H&K MP5/SP5K Rear Sight Set Complete-Used
H&K Heckler & Koch
$109.95HK German MP5 & HK94 Rear Sight Set Complete - Used Taken from demilled MP5's. Includes the entire rear sight assembly and hardware set for the complete rear sight assembly. In some cases, we have replaced the rear sight drum with a brand-new German...HKP-00671$109.95 -
Out Of Stock
H&K MP5K 9mm 3 Position (S,E,3F Pictogram) Burst Trigger Housing - Push Pin - RARE
H&K Heckler & Koch
$0.00H&K MP5K 9mm 3 Position (S,E,3F Pictogram) Burst Trigger Housing - Push Pin - RARE This rare HK MP5K SE3F marked ambidextrous push pin trigger features a 3 position pictogram (S,E,3F) Safe, Semi, and 3-Round Burst. With only a few available in the...HKP-02015$0.00 -
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 -
Magpul HK MP5K - MOE PR Stock
Magpul
$195.89Magpul Industries - MOE PR MP5K Stock New MOE PR MP5K stock fully assembled with our own MP5K AR stock/brace adapter. MOE PR stock blends the simplicity of the legacy MOE Carbine Stock with design lines reminiscent of the PRS Lite now coupled with our...HKP-21197$195.89 -
Troy Industries Front Battle Sight - Black
Troy Industries
$119.95Troy Industries Front Battle Sight - Black Durability and dead-on accuracy have made the Troy Industries Front Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Please Note: It will not work on a railed front gas...HKP-00031$119.95 -
Out Of Stock
H&K 30 Round MP5 9mm Magazine-Straight
H&K Heckler & Koch
$0.00German H&K MP5 9mm 30 Round Straight Magazine Each original German HK manufactured magazine ranges from VG to like new condition. This is the first production MP5 style of magazine. Each is date coded with factory HK markings. No longer made or...HKP-16263$0.00 -
H&K MP5/MP5K/SP5K 10 Round Magazine - RAL 8K
H&K Heckler & Koch
$97.95H&K MP5/MP5K/SP5K 10 Round Magazine - RAL 8K Heckler & Koch factory magazine. We now take this factory magazine and cerakote it with the ultra desirable RAL 8000 color for those looking to customize their build. 10 round magazine making it ideal...HKP-21441$97.95 -
JMAC Customs 360 1/2-28 Facemount KeyMount (KeyMicro)
JMAC Customs
$104.95JMAC Customs 360 1/2-28 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 -
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 -
On Sale
MI HK MP5/K, SP5/K Scope Mount Picatinny Rail - USED - BLEMISHED
MI Midwest Industries
Now: $59.95Was: $80.95MI HK MP5/K, SP5/K Scope Mount Picatinny Rail - USED - BLEMISHED USED. COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. Features: Easy no gunsmith install, all...HKP-19368-BNow: $59.95Was: $80.95 -
Out Of Stock
MP5K Semi Only 4 Position Trigger Group Complete - Clipped & Pinned
H&K Heckler & Koch
$999.95MP5K Semi Only 4 Position Trigger Group Complete With Safe, Semi functions only but provides the look and feel of the four position (0,1,3, F) housing. New HK German. Compatible With: HK MP5K/SP89 9mmHKP-00185$999.95 -
Strike Industries HK MP5K Drop-In MOD2 Stock
Strike Industries
$199.95Strike Industries HK MP5K Drop-In MOD2 Stock We pair our MP5K AR stock adpter with this Strike MOD2 stock to give you a drop-in MP5K stock. Give your build a modern look and added comfort and adjustability of the MOD2 stock. Only available here at...HKP-21330-M$199.95 -
Surefire Infrared Filter For Lighted Forearms
Surefire
$64.95Surefire Infrared Filter For Lighted ForearmsHKP-16992$64.95 -
B&T HK MP5K - MBT Stock
B&T Brugger & Thomet
$584.95B&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$584.95 -
Ergo 1 1/2" Harris Bipod Slide Mount With Sling Stud
Ergo
$19.95Ergo 1 1/2" Harris Bipod Slide Mount With Sling Stud The ERGO 1.5" Bipod Slide Mount slides onto 1913 Picatinny rail, allowing shooters to mount a variety of rail accessories, including swivels or bipods. Features: Slides onto Picatinny rails and held...HKP-15737$19.95 -
H&K HK MP5K Slimline Forearm - Black
H&K Heckler & Koch
$49.95H&K HK MP5K Slimline Forearm - Black Used German military slimline forearm refinished in a black cerakote . Cut down to fit the MP5k. These are rare items only offered here at HK Parts. Each item is in good to excellent shape. Compatible...HKP-20275$49.95 -
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 -
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 -
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 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 -
JMAC Universal Picatinny 9" Stock with 1913 Folding Mech - Black
JMAC Customs
$309.90JMAC Universal Picatinny 9" Stock with 1913 Folding Mech - Black Feautures: NEW Integrated Rubber Buttpad!! 2x Integrated QD Sling Socket 9" Length 0.275" Cheek Rise Drilled and tapped for optional cheek risers Compatible with JMAC & SIG folding...HKP-21242-BL$309.90 -
PTR HK MP5K/SP89 9mm Tactical Low Profile Handguard
PTR
$74.95PTR HK MP5K/SP89 9mm Tactical Low Profile Handguard The new modular tactical forearm will allow the addition of 2" rails. You can choose between the left, right, and bottom. Made from 100% aircraft-grade aluminum and steel components. The handguard also...HKP-14539$74.95 -
Troy Industries Rear Battle Sight - Black
Troy Industries
$129.95Troy Industries Rear Battle Sight - Black Durability and dead-on accuracy have made the Troy Industries Folding Battle Sight one of the best choices for Special Ops and tactical users worldwide. Easy to install and deploy, with no levers or springs to...HKP-00032$129.95 -
H&K 4 Position Burst To 0,1 Only - Conversion Selector Lever Set
H&K Heckler & Koch
$179.95HK 4 Position Burst To Semi ONLY Conversion Selector Lever Set - German HK The German HK selector lever set will allow the use to convert the following: 0,1,3,F Trigger packs 0,1,2,F Trigger packs To safe, semi only as far as the way the selector...HKP-17996$179.95 -
H&K MP5, MP5K Front Sight Tower
H&K Heckler & Koch
$169.95H&K MP5, MP5K Front Sight Tower This is the factory-correct part for your HK MP5, MP5K build, not a recycled or incorrect G3/91 triple frame. This is a factory HK German part. Compatible With: MP5, MP5K SP5, SP5K HK94 SP89HKP-00842$169.95 -
Out Of Stock
H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Push Pin
H&K Heckler & Koch
$0.00H&K MP5K/SP89 9mm 2 Position (0,1 Pictogram) FBI Style Trigger Housing - Push Pin This HK German MP5K FBI style (0,1) trigger housing is designed for push pin type receivers. It is compatible with all HK German ambidextrous trigger packs and...HKP-16057$0.00 -
Out Of Stock
H&K MP5K/SP89/SP5K 9mm Incomplete End Cap
H&K Heckler & Koch
$0.00HK Factory German MP5K, SP-89, SP5K End Cap - Incomplete Each pistol end cap is OEM HK German MP5K, MP5K-N, SP5K, SP89 stripped end cap. Compatible With: MP5K SP89 SP5K MP5K-N MP5K-PDW MP5K clones or other custom buildsHKP-18208$0.00 -
Out Of Stock
HKP 38 Round HK MP5 Magazine
HKP HK Parts
$79.95MP5, MP5K 9mm Curved Magazine - 38 Round - Red Follower New USA manufactured MP5, MP5K - 38 round magazine. These units will come with a red follower installed for a quick and easy visual identification of an empty magazine. As an added bonus each mag...HKP-17394$79.95 -
HKP HK 9mm Enhanced Thread Protector - 13.5x1
HKP HK Parts
$19.95HKP HK 9mm Enhanced Thread Protector - 13.5x1 This enhanced thread protector is crafted from stainless steel and designed for 13.5x1 threaded barrels. Its unique design not only fits over and protects the crown of your barrel but also...HKP-21603$19.95 -
Out Of Stock
HKP MP5K/SP89 9mm Trigger Group 2 Position Housing 0,1- Safe, Semi Only
HKP HK Parts
$0.00HKP/H&K MP5K/SP89 9mm Safe & Semi Only Trigger Group - Clipped & Pinned Introducing a cost-effective alternative to the rare and expensive all-German HK FBI or 0,1 ambidextrous trigger group, now available in a 2-position Navy factory German...HKP-17241$0.00 -
Zenith 30 Round HK MP5 Supersonic Labeled Magazine
Zenith
$43.95Zenith 30 Round HK MP5 Supersonic Labeled Magazine Easily identify a magazine loaded with supersonic rounds versus a magazine loaded with subsonic rounds. Features: Durable electro-plated black finish for exceptional corrosion resistance All steel...HKP-20830$43.95 -
Aimpoint Lower 1/3 Co-Witness T1 Mount
AIM
$13.95Aimpoint - 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$13.95 -
B&T HK MP5K 3-Position Folding Adjustable Stock - Black
B&T Brugger & Thomet
$494.95B&T HK MP5K 3-Position Folding Adjustable Stock Swiss made B&T folding and length adjustable stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units world-wide. B&T AG...HKP-18243$494.95 -
H&K 90 Series Trigger German HK - Refinished
H&K Heckler & Koch
$19.95Refinished German 90 Series Trigger Compatible With: HK91, G3, PTR HK93, 33, 53 HK MP5, 94, Zenith, POF, MKE Clone or other custom buildsHKP-20678$19.95 -
Out Of Stock
H&K HK MP5K Slimline Forearm - OD Green
H&K Heckler & Koch
$49.95H&K HK MP5K Slimline Forearm - OD Green Used German military surplus O.D green slimline forearm with heat shield cut down to fit the MP5k. These are rare items only offered here at HK Parts. Each item is in good to excellent shape and will clean up...HKP-20199$49.95 -
Out Of Stock
H&K MP5K 9mm Complete PDW FBI Trigger Group
H&K Heckler & Koch
$799.95H&K MP5K 9mm Complete PDW FBI Trigger Group This is a great upgrade and investment for your factory swing down MP5K or PDW (shown with an optional small push pin installed). New HK German with all the latest HK upgraded parts. Compatible With: HK...HKP-02699$799.95