All Parts
At HK PARTS, we bring you a wide array of high-quality H&K accessories and components for your favorite firearms. Whether you're upgrading your H&K pistol or rifle, or even looking for parts kits, we've got you covered. Discover a range of top-rated components for popular models like VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, we have it all. Enhance your firearm's performance and functionality with our premium components.
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H&K HK 416/MR556 Mil-Spec Factory German E2 Rear Stock - Black
H&K Heckler & Koch
$199.95HK 416, MR556 Factory German E2 Rear Stock The HKE2 Buttstock fits mil-spec buffer tubes (receiver extensions) for M4/AR15 type weapons and has the concave style removable buttpad installed. Features: Ergonomic cheek weld for improved firing...HKP-01913$199.95 -
H&K HK MR556/416 Slim Line Stock - RAL 8K
H&K Heckler & Koch
$249.95HK 416A5, HK416 & MR556 Slim Line Retractable Stock - RAL 8000 New from HK Germany the slim line retractable stock fits all commercial & mil-spec AR-15/M16 buffer tubes. Marked with the HK logo and issued on specialized HK 416, MR556 rifles...HKP-17602$249.95 -
HK G36K/G36C Tri Rail Set Complete - Black
UTG
$64.95HK G36C, G36K, & G36 .22LR Bottom & Side Rail Set Universal Picatinny mounting rail system, mounting screws, and hex wrench. This system includes the bottom, left, and right side tactical rails (3 rails total). This set of rails will fit all HK...HKP-00272$64.95 -
HKP MP5 & HK94 9mm Trigger Group 2 Position Navy Housing 0,1 - Safe, Semi Only
HKP HK Parts
$549.95HKP MP5 & HK94 9mm Trigger Group 2 Position Navy Housing 0,1 - Safe, Semi Only Finally, a lower cost alternative to the hard to find German HK FBI or 0,1 ambidextrous trigger groups. Now, for the first time, we have the popular ambidextrous trigger...HKP-17238$549.95 -
HTA HK MP5SD Barrel Cleaning Tool
HiTec Arms
$119.95HTA HK MP5SD Barrel Cleaning Tool Barrel cleaning brush tool for integrally suppressed ported barrels. This is a good tool to have on hand for any MP5SD owner to clean carbon build up and avoid your suppressor seizing on your barrel. Multiple colors...HKP-21347-M$119.95 -
Lazy Wolf VP F3 Full Flat Face Series Trigger - Red
Lazy Wolf
$134.95Lazy Wolf VP F3 Full Flat Face Series Trigger - Red In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 & VP40 handguns. The drop in VP9 series trigger is the best trigger ever developed after more than a...HKP-19153$134.95 -
Out Of Stock
MP5 Brush Combo - All Calibers
HK Parts, Heckler & Koch
$44.95HK German/USA Brush Set Combo All the HK custom brushes you will need to clean your barrel, chamber, chamber face, receiver, magwell, and magazines. These are the brushes you will need to properly clean and maintain your MP5. This will work with all MP5...HKP-16680$44.95 -
PTR AR Stock Adapter For HK Firearms
PTR
$99.95AR15 to HK 90 Series Stock Adapter For AR15 &M4 Style Stocks, Braces For use on any commercial, Mil-spec or pistol AR15/M16/M4 stock, brace & buffer tube of your choice. Perfect for your HK rifle, pistol or SBR build. With our M4 adapter, you can...HKP-16550$99.95 -
Out Of Stock
B&T MP5K/SP89/SP5K 9mm Tri-Rail Handguard
B&T Brugger & Thomet
$254.95B&T MP5K/SP89/SP5K 9mm Tri-Rail Handguard B&T Tri-Rail Handguard For HK MP5K, SP89, MP5K-N, MP5K-PDW Compatible With: All MP5K, SP5K, SP89 Specifications: Color: Black Height max: 48.4 mm Length max: 86 mm Length of right rail: 82 mm Length of...HKP-16889$254.95 -
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 -
H&K HK MP5 German 9mm Trigger Pack Complete F/A Roller Sear, XX Struted/Pinned Hammer
H&K Heckler & Koch
$369.95H&K MP5/K 9mm Full Auto Complete Trigger Pack his factory HK German MP5 9mm full auto trigger pack is provided as originally configured by HK Germany. This trigger pack has been meticulously preserved from a demilled 1980s production MP5 and comes...HKP-19342$369.95 -
H&K HK USP Series Old Style Firing Pin Block Spring
H&K Heckler & Koch
$9.95HK USP Series Old Style Firing Pin Block Spring In order to use the new firing pin block spring, you also have to upgrade the firing pin, firing pin block, as well as the firing pin block spring. HK part #214192 has been replaced with...HKP-02149$9.95 -
HKP 2 Point Leather Sling - Black
HKP HK Parts
$49.95HKP 2 Point Leather Sling - Black These new HK Parts 2-point slings are based off of the original German HK design that are no longer offered. This is a 1st time offering, handcrafted by a German artisan. Made in the USA from quality leather and hardware...HKP-20152$49.95 -
HKP HK MP5 .22LR - Universal Optic Mount - Black
HKP HK Parts
$119.95HKP HK MP5 .22LR - Universal Optic Mount - Black Just in! Our latest and greatest MP5.22 optic mount that is a true universal mount. Using the same VP9 optic ready format and optic plates you can now mount any optic mount that is compatible with any VP9...HKP-20968$119.95 -
HKP MP5 9mm Barrel Extension
HKP HK Parts
$49.95HKP MP5 9mm Barrel Extension MP5 3-Lug Barrel Barrel Extension, Fake Suppressor US made MP5, HK94 solid aluminum fake suppressor, barrel extension. That slips over the 3-lug 9mm MP5 barrel and then pinned in place to meet the overall 16" barrel length...HKP-18000$49.95 -
Holosun HK VP9/VP9SK Direct Fit SCS Reflex Sight
Holosun
$359.95Holosun HK VP9 SCS-MOS Reflex Sight This solar charging sight is designed to attach directly to the slide without an adapter plate and uses an innovative solar charging system with multi-directional light sensors to automatically adjust brightness in...HKP-21336$359.95 -
Out Of Stock
RCM HK VP9SK 9mm Tactical Barrel - Threaded 1/2x28
RCM
$225.00RCM HK VP9SK 9mm Tactical Barrel - Threaded 1/2x28 Each VP9SK Tactical barrel is machined from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK VP9SK 9mm...HKP-19258$225.00 -
Taiwanese T65 Retro Parts Kit
$1,199.95Taiwan - T65 Gas Piston Rifle Parts Kit We have a limited number of these super rare gas piston rifle parts kits. Each kit was used in Central & South America during active military conflicts and civil war. These kits are heavily used but...HKP-19676$1,199.95 -
Uzi Top Cover Complete - Surplus
IMI
$24.95Uzi Top Cover Complete - Surplus IMI Uzi SMG top cover surplus. Perfect working condition.HKP-19988$24.95 -
Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg HK MP5 Spike Front Sight Gen 2 - Luminescent Green The Blitzkrieg Gen 2 HK-style front sight is engineered to deliver a precise and visible aiming point, enhancing target acquisition and accuracy. This model features a spike-tipped post and a...HKP-21097$87.95 -
H&K 15 Round HK VP9/P30 9mm Magazine - Red Follower
H&K Heckler & Koch
$49.95HK VP9, VP9L & P30, P30L, P30S 9mm - 15 Round Magazine - Red Follower New HK German manufacture and factory fresh production. Each factory HK all-steel-bodied magazine holds 15 rounds of 9mm ammunition for use in all P30, P30L, P30S & HK VP9 9mm...HKP-21417$49.95 -
H&K 91/G3 (7.62x51/.308) Complete F/A Lower (SEF) - Green
H&K Heckler & Koch
$349.95German G3 Surplus Lower Complete - Green HK G3 SEF Steel Lower Complete. Each lower includes full auto trigger pack complete, selector lever, green grip, metal SEF grip frame, grip screw with screw washer. All of these parts are installed and ready to go...HKP-16215$349.95 -
HKP HK VP40 Gen 2 Rail Mount Compensator - Black
HKP HK Parts
$169.95HKP HK VP40 Gen 2 Rail Mount Compensator - Black Specifications: Length: 4 1/4 inches Height: 2 1/2 inches Weight: 5 oz Torque: 3nM / 26 inch-lbs Should NOT be used with a Threaded Barrel It is recommended by the manufacturer to use 124+...HKP-19170$169.95 -
Magpul M-LOK 9 Slot Rail Section
Magpul
$24.95Magpul M-LOK 9 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-19570$24.95 -
Meprolight HK VP9, HK P30, HK 45, HK 45C Micro RDS Reflex Red Dot Sight & Mount
Meprolight
$347.95Meprolight HK VP9, HK P30, HK 45, HK 45C Micro RDS Reflex Red Dot Sight & Mount The Mepro Micro RDS serves as the main aiming sight for handguns or as a backup sight for rifles, offering fast target acquisition at close distances. The Mepro Micro RDS...HKP-19166$347.95 -
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 -
H&K G36/MR556/MR762/416 (5.56/.223) & (7.62x51/.308) Extractor Spring
H&K Heckler & Koch
$8.95HK German Extractor Spring A must-have replacement wear part and a great item to have on hand. Compatible With: HK G36 HK G36K HK G36C HK SL8 HK 416 HK MR556HKP-00288$8.95 -
H&K HK MR556/MR762/416/417 Tactical Sling - Black
H&K Heckler & Koch
$76.95H&K HK MR556, MR762, 416, & 417 Tactical Sling - Black OEM HK German part. The tool is built into the HK sling hook. For the MR556 model, a sling adapter will be needed for the front attachment point as the MR556 lacks the ambi sling loop on the...HKP-00028$76.95 -
Out Of Stock
H&K HK VP9B Mag Release Button Set - S, L, XL
H&K Heckler & Koch
$19.95HK VP9B Mag Release Button - S, L & XL New HK German Manufacture. Will fit the new VP9B button mag release model. A perfect way to customize your mag release fitment. Compatible With: VP9B and VP9LB models onlyHKP-19746$19.95 -
H&K MP5K/SP5K 9mm SEF Trigger Housing - Universal
H&K Heckler & Koch
$199.95H&K MP5K/SP5K 9mm SEF Trigger Housing - Universal A one size fits all approach for the MP5K and SP5K style semi-auto shelf. This is the best option for MP5K and SP5K receivers. Easily interchange the lower trigger group assembly without swapping...HKP-20557$199.95 -
Out Of Stock
H&K SEF Long Axle Selector Lever For Polymer Trigger Housings - Extended
H&K Heckler & Koch
$0.00HK German SEF Extended Axle Selector Lever For Polymer Housings - Extended The HK Extended SEF Long Axle Selector Lever is designed for use with polymer SEF-type grips or trigger housings. This extended lever provides enhanced control and ease of use,...HKP-19027$0.00 -
H&K SP5K 9mm Drop In Paddle Mag Release Upgrade Kit
H&K Heckler & Koch
$129.95German HK SP5K Anti-Rattle Roller Tipped Paddle Magazine Release Kit No modifications, no refinishing...complete drop-in kit included New HK German & USA made paddle mag release kit for the HK SP5K. This kit will allow any end-user to quickly...HKP-18082$129.95 -
H&K Universal Cleaning Kit
H&K Heckler & Koch
$21.95New - Original HK German MSG90/HK91/G3 Cleaning Kit - Old Stock Each cleaning kit kit comes complete with brass brush, oil brush, oil tube, hand cleaning brush, and pull chain. Originally built for the G3,91 & MG3 but will work on all .308 - .351 ...HKP-19031$21.95 -
HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28
HKP HK Parts
$14.95HKP (9mm & 5.56/.223) Thread Protector For Barrels - Threaded 1/2x28 A must-have accessory to safeguard the threads on your threaded barrel, this thread protector is the finest available. It is the standard thread protector included with all HKPARTS...HKP-02646$14.95 -
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 -
HKP HK UMP .45 ACP Magazine Block
HKP HK Parts
$9.95HKP HK UMP .45 ACP Magazine Block UMP mag block plug to limit the magazine capacity to 10 rounds for states with capacity restrictions. This is designed to use on the HK UMP .45 25 round magazine. Very easy to install & use. Compatible With: HK UMP ...HKP-18171$9.95 -
Magpul M-LOK Rail Section - 3 Slots
Magpul
$10.95Magpul M-LOK Rail Section - 3 Slots 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...HKP-20661$10.95 -
Meprolight HK USP Night Sight Set - Green
Meprolight
$99.99Meprolight HK USP Night Sight Set - Green Features: Unequaled Light Performance Brightest Night Sights Available Today Used by Military & Law Enforcement All Tru-Dot sights are covered by a 12-year usable illumination warranty to the original...HKP-01906$99.99 -
Surefire - 328LMF - Lighted Forearm
Surefire
$599.95Surefire - 328LMF - Lighted Forearm The SureFire 328LMF-B replaces the original forend of your Heckler & Koch MP5 submachine gun, HK53 rifle, or HK94 carbine. Extremely compact 3-volt (1-battery) system features a virtually indestructible LED emitter...HKP-17632$599.95 -
Sale
Glock 19 +5 Magazine Extension Kit
$19.95 - $22.95Glock 19 +5 Magazine Extension Kit Designed to fit all Glock 19 models from Gen 1-5 Models. Each unit is fully machined from a solid billet of aircraft-grade aluminum that is fully hard coat anodized and set up for a lifetime of use. The unique...HKP-19224-M$19.95 - $22.95