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 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 HK MP5, MP5K 9mm, Ambidextrous 0,1 Trigger Pack - ENHANCED 5-6 LBS Trigger Pull
HKP HK Parts
$539.95HKP/H&K MP5/MP5K 9mm 2 Position 0,1 Ambidextrous Trigger Pack Our enhanced trigger packs begin as full auto packs and are professionally converted to BATFE specifications, ensuring compliance and quality. These trigger packs are machined to achieve a...HKP-20313$539.95 -
HKP HK MP5K Binary Pistol Build Complete Limited Edition Kit
HKP HK Parts
$3,799.95Limited Edition Parts Kit - MP5K With Binary Trigger Group Our limited edition parts kit will include the highly desirable Binary 3 position Navy trigger group with a universal style housing that will accommodate for a SP5K style semi auto shelf and a...HKP-20025$3,799.95 -
HKP HK MP5K SD Shroud and Handguard Combo
HKP HK Parts
$289.95HKP HK MP5K SD Shroud and Handguard Combo MP5K Shroud and rubber handguard combo. The perfect items for those that are looking into doing a custom MP5K SD build. The finest MP5K SD shroud ever made or available CNC Machined and fully deburred with...HKP-20950$289.95 -
HKP MP5/K 40/10 Locking Piece - Extra Low Impulse
HKP HK Parts
$49.95HKP MP5/K 40/10 Locking Piece - Extra Low Impulse Marked 100 Degree For the MP5 40 or 10mm Firearms. Made out of enhanced material and heat-treated to spec. The #100 degree locking piece is an extra low impulse 40/10 locking piece. To be used with MP5 40...HKP-18273$49.95 -
HKP Single Point Leather Sling - Brown
HKP HK Parts
$49.95Single Point Leather Sling - Brown 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 German...HKP-20161$49.95 -
HKP Single Point Leather Sling - OD Green
HKP HK Parts
$49.95Single Point Leather Sling - OD Green 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 German...HKP-20163$49.95 -
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 -
RCM HK SP5K Semi Auto Carrier
RCM
$159.95RCM HK SP5K Semi Auto Carrier SP5K semi-auto carrier machined completely from billet ordnance steel. RCM US made SP5K carrier is made to the most updated and latest SP5K specs and more. Tungsten filled, heat treated, phosphate finish and all...HKP-20983$159.95 -
Out Of Stock
USA HK MP5/MP5K T1/H1 Aimpoint Low Mount
USA
$49.95Aimpoint T1 & H1 Low Profile Mount For HK MP5, MP5K New US manufactured scope mount that is similar in style as the revered B&T optics mount only made right here in the USA. All aluminum and made to last with a price that is attractive & hard...HKP-17117$49.95 -
B&T HK MP5K, HK SP89, HK SP5K Folding Stock/Length Adjustable Helmet Stock - Black
B&T Brugger & Thomet
$379.95B&T HK MP5K, SP5K, SP89 Folding/Adjustable Helmet Stock Swiss made B&T folding and length adjustable helmet stock for the HK MP5K and compatible. This is a military grade stock as supplied by B&T to military and law enforcement units...HKP-18101$379.95 -
F5 MFG 50 Round HK MP5/MP5K 9mm Drum - Burnt Bronze
F5 MFG
$199.0050 Round Drum - 9mm - Burnt Bronze - MP5, MP5K HK MP5 & MP5K 9mm - 50 Round Drum New 3rd generation redesigned version. Now offered at an even lower price! You asked for it and the long-awaited and highly anticipated MP5 50 Round Drum Magazine...HKP-19218$199.00 -
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 MP5 40/10 Magazine Follower
H&K Heckler & Koch
$19.95H&K MP5 40/10 Magazine Follower A perfect replacement part for all HK MP5 40/10 magazines.HKP-01635$19.95 -
Out Of Stock
H&K MP5K/SP5K/SP89 Semi-Auto 3 Position Trigger Group- Clipped & Pinned
H&K Heckler & Koch
$1,099.95HK Semi Auto 3 Position Trigger Group- Clipped & Pinned This HK 3-position trigger housing will give the look and feel of a full auto 3-position trigger group but is set in a semi-auto trigger pack. All HK German Genuine parts. Compatible With: HK...HKP-00186$1,099.95 -
H&K SP5K Spec Only 9mm 2 Position (0,1 Pictogram) FBI Style Grip Trigger Housing
H&K Heckler & Koch
$194.95H&K SP5K Spec Only 9mm 2 Position (0,1 Pictogram) FBI Style Grip Trigger Housing Upgrade your HK SP5K with this authentic German FBI style grip housing, designed specifically for the SP5K model. Compatible with all HK German ambidextrous trigger...HKP-18307$194.95 -
HKP HK MP5K Tactical Tri-Rail - Red
HKP HK Parts
$89.95Tactical Tri-Rail - Red Our new modular tactical forearm comes with 3 rails on the left, right and bottom. That are removable and adjustable for you own taste and mission requirements. Each modular handguard will fit all MP5K, SP89 and other K...HKP-19511$89.95 -
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 -
Viridian AR M-LOK Hand Stop Laser - Green
Viridian
$178.95Viridian AR M-LOK Hand Stop Laser - Green Viridian, the leader in weapon-mounted technology, is responsible for a number of firearm innovations - including green and red laser sights. Viridian's new HS1 is the world's first AR hand stop with an...HKP-19464$178.95 -
B&T Unigrip Fixed With Storage Compartment - FDE
B&T Brugger & Thomet
$69.95B&T Vertical Grip - Fixed Style With Storage Compartment - TAN Swiss made B&T vertical for-end grip for picatinny. Made of tan polymer and includes a water tight storage compartment in the bottom of the grip. Will fit all mil-spec picatinny rails...HKP-18042$69.95 -
CFG Low Profile Rear Sight Base Mount - 10 Slot
CFG
$119.95CFG Low Profile Rear Sight Base Mount - 10 Slot This new offering is a neat low profile offering that allows the user to replace the rear sight and add an extremely low profile super robust picatinny optic mount to your HK MP5, MP5K firearm. Made in the...HKP-18236$119.95 -
Out Of Stock
Contoured Style - SEF - Match Trigger Group - HK SP5K
H&K Heckler & Koch
$0.00Contoured Style - SEF - Match Trigger Group - HK SP5K Upgrade your SP5K with this top-quality SEF Contoured Style RH Match Trigger Group. Ready to drop on your SP5K receiver, it serves as an excellent replacement trigger group, designed specifically for...HKP-19496$0.00 -
Elevated Cheek Rest For Folding/Adjustable Stock - Black
B&T Brugger & Thomet
$65.95Elevated Cheek Rest For Folding/Adjustable Stock Special optics (night vision, thermal) require higher mounts. In these cases an elevated cheek rest is helpful in order to position the eye and the head in the optimal position. The B&T cheek...HKP-18105$65.95 -
Out Of Stock
H&K MP5K/SP89 9mm SEF Contoured Trigger Group - Clipped & Pinned
H&K Heckler & Koch
$0.00New HK German SP89, MP5K Semi Auto - Clipped & Pinned SEF Trigger Group Each unit includes the professionally converted SEF clipped and pinned housing and semi-auto-only trigger pack. All trigger groups include a new 3rd-generation 9mm ejector lever...HKP-01691$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 -
Out Of Stock
HK 416/MP5 Sling Swivel
HKP HK Parts
$34.95HK 416/MP5 Sling Swivel Sling swivel for the Walther 416 and MP5 .22 rifles. This will attach to the quad rail on the 416 to give you an attachment point for a 2 point sling. May also be used with the an MP5 that has a tri rail set up.HKP-16318$34.95 -
Out Of Stock
HK German Vertical Foregrip - Black
H&K Heckler & Koch
$96.95HK German Picatinny Vertical Foregrip - Black (With slide in for LM/LLM Switch) Compatible With: MP5, MP5K MP5SD MP7A2 G36, G36K, G36C HK 416 HK417 All firearms featuring a Picatinny railHKP-20518$96.95 -
HK MP5/K & UMP .40 S&W 3-Lug Barrel Thread Protector - Threaded 9/16x24
$299.95HK MP5/K & UMP .40 S&W 3-Lug Barrel Thread Protector - Threaded 9/16x24 This is 3-lugged Barrel with a 9/16x24 thread protector. It is rare hard to find, there are only a few available. Specifications: 3-Lugged Barrel Includes Thread Protector...HKP-02318$299.95 -
$14.95 -
Out Of Stock
HK MP5K/SP5K/SP89 Vented Horizontal Forearm with Handstop - Black
USA
$44.95MP5K, SP5K, SP89 - Vented Horizontal 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. Each forearm has the latest enhancements and upgrades...HKP-19471$44.95 -
MI/HKP HK MP5K Alpha Folding Stock
MI Midwest Industries
$419.95Midwest Industries/HKP HK MP5K Alpha Folding Stock Brace Adapter The Midwest Industries Alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your...HKP-21514-M$419.95 -
Refinished HK MP5K Slimline Forearm - OD Green
H&K Heckler & Koch
$69.95Refinished HK MP5K Slimline Forearm - OD Green Used German military refinished O.D green slimline forearm with heat shield cut down to fit the MP5K. These are rare items- available exclusively at HK Parts. Compatible With: MP5K, SP5KHKP-20498$69.95 -
Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles - HKP
XS Sight Systems
$159.95Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles - HKP The HK07O will fit all H&K military style rifle, carbines, SMG`s and the SP89 pistol. Trijicon bright & tough night sights are three-dot iron sights that increase...HKP-20325$159.95 -
B&T Direct Thread 1/2x28 Hub Adapter
B&T Brugger & Thomet
$114.95B&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 MR556 AR15 Any 1/2x28 threaded barrelHKP-21506$114.95 -
B&T Unigrip QD with Bipod - Aluminum
B&T Brugger & Thomet
$224.99B&T Unigrip QD with Bipod - Aluminum This B&T foregrip features a retractable bipod for superior weapon stability in both the standing and prone positions. Specifications: Condition: Factory new Material: Aluminum Heat deflection...HKP-21596-M$224.99 -
H&K 3 Position Ambidextrous Selector Lever - BURST ONLY
H&K Heckler & Koch
$99.47H&K 3 Position Ambidextrous Selector Lever - BURST ONLY This selector lever will convert any 4 position 0, 1, 2, F or 0, 1, 3, F trigger group to non-full auto BURST capability only, making the rotation 3 position instead of 4 position. This selector...HKP-01294$99.47 -
H&K MP5K 3 Position (0,1,F) Navy Ambidextrous Trigger Group - Clipped & Pinned
H&K Heckler & Koch
$2,499.95HK MP5K 3 Position (0,1,F) Navy Ambidextrous Trigger Group HK German MP5K 3 Position 0,1,F Navy Ambidextrous Trigger Group For MP5K, MP5KN or MP5K PDW. New HK German manufacture. This is the real deal. Only a few on hand and once they are all gone there...HKP-00405$2,499.95 -
JMAC Customs TS-8 w/ 1913 Folding Mech
JMAC Customs
$284.99JMAC Customs TS-8 w/ 1913 Folding Mech Triangle stock 8" with our 1913 folding mech (not assembled) 2x integrated QD sling socket 8" length Drilled and tapped for optional cheek risers (will be available in the future) Compatible with SIG folding...HKP-20145$284.99 -
Lee Sporting HK MP5K Complete Trigger Group
Lee Sporting
$549.95Lee Sporting Complete Trigger Group - MP5K Ergonomic upgrade to OEM grip. 4.3oz lighter than OEM trigger group. Housing made from MJF PA11 Nylon. Bespoke ejector lever CNC cut from 4140. Compatible With: HK PTR Dakota Tactical Other clones that use...HKP-20466$549.95 -
Magpul HK MP5K AR 9mm Navy Style Match Trigger Group
Magpul
$649.95Magpul HK MP5K AR 9mm Navy Style Match Trigger Group 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-21378$649.95