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 Grip Cap Replacement Spring
H&K Heckler & Koch
$4.95H&K Grip Cap Replacement Spring This is the replacement spring that is used on both the US and German made grip caps that can become damaged and broken with use. A great idea to have on hand as the spring will get bent and destroyed with use. We use...HKP-16408$4.95 -
H&K HK USP/USPC Trigger Spring
H&K Heckler & Koch
$8.95H&K HK USP/USPC Trigger Spring Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45 ACPHKP-01252$8.95 -
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 -
Barrel Nut - HK 416, MR556 - Stainless Steel
$39.95HK MR556, HK 416 Barrel Nut or Socket For Barrel - Stainless Steel A must have repair and replacement part for removal or when you have any work done to your barrel as the barrel nut may become damaged in the removal and installation processes. Made in...HKP-17334$39.95 -
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 -
Choate MP5 & HK94 Folding Stock
Choate
$219.95Choate MP5 & HK94 Folding Stock Each stock features the same quick open steel housing and folding arm found on all HK stock offerings. Each stock is backed by the manufacturer's lifetime warranty but built tough enough that you will never have to use...HKP-00171$219.95 -
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 12 Round HK USP .45 ACP Extended Floor Plate
H&K Heckler & Koch
$10.50HK USP 45 12 Round Magazine Floor Plate - Extended A great spare to have on hand as these are prone to breakage if mags are dropped on hard surfaces. Compatible With: All HK USP 45 full size & USP 45 Tactical 12 round magazines.HKP-00920$10.50 -
H&K HK G3, HK 91, PTR Rear Sight Assembly
H&K Heckler & Koch
$39.95HK German G3, 91, PTR Rear Sight Assembly Complete - New HK - Hand Windage Adjustment Knob HK German factory rear sight assembly with all hardware included. We offer the finest new HK sights at the BEST price in the country. Each set comes complete with...HKP-19372$39.95 -
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 HK 91 Polymer To Metal Trigger Group Conversion Kit
HKP HK Parts
$225.95HK 91/PTR 91 Polymer To Metal Trigger Group Conversion Kit. This is everything you will need to convert the lower trigger group on your HK 91 from polymer to metal housing with contoured grip. Just use your existing trigger pack to complete the...HKP-17362$225.95 -
H&K 10 Round HK 45/45C Magazine Spring
H&K Heckler & Koch
$8.9510 Round HK 45 & 45C Magazine Spring The more you order, the more you save, as we offer volume discounts this spring. Compatible With: HK45 10 Round Magazine HK45C & USPC 4510 Round Magazine ...HKP-01848$8.95 -
H&K HK P Series LEM Elbow Spring
H&K Heckler & Koch
$8.95HK P Series LEM Elbow Spring Compatible With All LEM Models Below: HK P30 HK P30L HK P30SK HK P2000 HK P2000SKHKP-02498$8.95 -
H&K Magazine Pouch with 2 Magazines - USED
H&K Heckler & Koch
$29.95H&K Magazine Pouch with 2 Magazines - USED 2 X Used HK German 20 round aluminum magazine and used Flectarn mag pouch combo deal: 2 X 20 round aluminum magazines and camo mag pouch. Compatible With: HK 91 HK G3 HK PSG-1 HK MSG-90 PTR-91 Vector 51...HKP-20875$29.95 -
HKP HK UMP (.40 S&W/.45 ACP/9mm) Armorer Manual
HKP HK Parts
$19.95HK UMP Armorer Manual This is the most in-depth manual available for the UMP series and covers the UMP 45, 40, & 9mm calibers. It has 64 Pages with diagrams and in-depth coverage of the history and full mechanical diagrams of the UMP firearm.HKP-00612$19.95 -
HKP HK USP .40 S&W +5 Magazine Extension
HKP HK Parts
$49.95HKP HK USP .40 S&W +5 Magazine Extension HK Parts magazine extension +5 adds 5 additional rounds to the full size USP & USP Tactical 13 round magazine. It uses the existing mag body, spring, and follower. Just slide the magazine extension on and...HKP-18645-M$49.95 -
HKP Semi Auto Trigger Box - Billeted
HKP HK Parts
$69.95HK 90 Series, Century, PTR, & Zenith Trigger Pack - USA This part is a perfect 922r compliant part as it counts as one of the needed US-made parts. Each unit comes with new style updates for ease of putting parts into the trigger pack, and your...HKP-02384$69.95 -
Out Of Stock
HKP/H&K MP5 9mm Flash Hider - 3-Lug
HKP HK Parts
$99.95HKP/H&K MP5 9mm 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...HKP-17228$99.95 -
On Sale
Magpul SL HK MP5K - Binary Trigger Group
FA Franklin Armory / Magpul
$711.95 - $735.95Magpul 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$711.95 - $735.95 -
POF HK MP5 9mm SEF (0,1,30 Pictogram) Housing - Push Pin
POF
$89.95POF HK MP5 9mm SEF (0,1,30 Pictogram) Housing - Push Pin This is a H&K contract SEF grip housing. The Housingg features the classic finger grooves. This part is not HK German quality, but a great value for the price. Specifications: Push Pin SEF...HKP-19826$89.95 -
Comp-Tac HK VP9, VP9L & Match International Holster - Right Hand
Comp-Tac
$79.95Comp-Tac HK VP9, VP9L & Match International Holster - Right Hand One holster to fit your entire VP9 button collection, including your VP9 Match. Comp-Tac has worked with HK Parts to develop a flexible holster to fit your needs- whether you have the...HKP-20200$79.95 -
On 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 -
H&K 12 Round HK VP9SK/P30SK 9mm Flush Floorplate Magazine - Black
H&K Heckler & Koch
$49.00H&K 12 Round HK VP9SK/P30SK 9mm Flush Floorplate Magazine - BlackHKP-20603$49.00 -
H&K 91/93/33/53/G3 (5.56/.223) & (7.62x51/.308) Rear Stock Buffer With All Mounting Hardware
H&K Heckler & Koch
$24.95German HK G3, 91 & PTR91 Complete Rear Stock Buffer Assembly Each unit comes with all of the mounting hardware for installing the G3 buffer to your backplate assembly. Also fits the HK93, 33, and 53 fixed stocks as well (use the same buffer).HKP-00362$24.95 -
H&K HK P30/USP/45/45C/P2000 Flat Spring
H&K Heckler & Koch
$12.95HK Flat Spring For Sear Catch This is a wear and replacement item on your HK pistol. A great spare part and needed spring to have on hand. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical, Elite, Expert HK USP Compact 9mm HK USP Compact...HKP-01259$12.95 -
H&K MP5 & MP5K 9mm Magazine Loader
H&K Heckler & Koch
$109.95German Magazine Loader For MP5 & MP5K - 9mm Magazines New HK German manufacture. Get years of use out of this steel loader while saving your thumbs. Compatible With: Curved 40, 30, 20, 15 & 10 round 9mm magazinesHKP-17013$109.95 -
H&K/HKP 22 Round HK VP40/VP40 Tactical, P30/P30L/P30S .40 Cal Magazine - Black
HK Parts, Heckler & Koch
$99.95H&K/HKP 22 Round HK VP40/VP40 Tactical, P30/P30L/P30S .40 Cal Magazine - Black HK Parts take an existing 13 round mag the +10 mag extension and assembles them into a working 22 round mag. Each unit comes as a completely assembled VP40/P30 .40 cal 22...HKP-19547$99.95 -
On Sale
PTR PDW (7.62x39) & (7.62x51/.308) Backplate With Recoil Rod
PTR
Now: $109.95Was: $149.95PTR PDW Backplate Assembly Complete With Recoil Rod Each unit has been built with new HK parts and painted HK black, ready for use. The PTR PDW is the collapsible recoil-style assembly designed for use on HK51-style builds such as the PTR PDW pistol or...HKP-02665Now: $109.95Was: $149.95 -
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 -
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 -
Trijicon, HKP HK MP5 3.25 MOA / Optic Mount Bundle - Black
Trijicon
$585.95RMR Optic Mount - Bundle - HK MP5 Includes: (1) Trijicon RMR Type 2 Red Dot Sight - 3.25 MOA Red Dot, LED Illuminated (1) MP5 RMR Optic Mount The finest mounting solution to properly mount your RDS on your MP5 or any other receiver that utilizes...HKP-20732$585.95 -
H&K 91/G3 (7.62x51/.308) Complete F/A Lower (SEF) - Black
H&K Heckler & Koch
$369.95German G3 Surplus Lower Complete - Black Grip 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...HKP-17653$369.95 -
H&K Ambidextrous Sling Pin O-Ring
H&K Heckler & Koch
$1.95H&K Ambidextrous Sling Pin O-Ring HK ambidextrous sling pin replacement O-ring for all ambidextrous sling pins. This item is a common wear/breakage part that does need to be replaced from time to time. This is the part that creates the + seal to keep...HKP-01090$1.95 -
H&K HK MR556/MR762/416/417 German E1 Convex Butt Pad
H&K Heckler & Koch
$64.95HK MR556, HK416 & MR762, HK417 German E1 Convex Butt Pad The HK Convex buttpad can be used to swap out on the factory E2 or concave-style buttpads for those who desire this option. This way, you can use the concave or convex-style buttpads...HKP-01915$64.95 -
H&K HK P30 Series Right Slide Release Shorty - Black
H&K Heckler & Koch
$52.95HK P30 Series Right Slide Release Shorty - Black This is a shorter version slide release for the HK, P30, P30L, P30S, P30SK, and P30SKS "Safety" version models. The short models are standard on the P30S and P30SKS models.HKP-02487$52.95 -
HKP HK MR556/416 A5 Style Trigger Guard
HKP HK Parts
$39.95HKP 416 & HK MR556 HK416A5 Style Trigger Guard Now you can upgrade your MR556, 416 & CR556 to the latest Gen HK 416 A5 Enhanced Trigger Guard. Fully assembled and ready to drop in. With a larger trigger guard area you can now use gloves...HKP-17793-M$39.95 -
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 -
Out Of Stock
H&K 10 Round HK USP .45 ACP Magazine w/ Standard Floor Plate - Black
H&K Heckler & Koch
$54.9510 Round HK USP .45 ACP Magazine w/ Standard Floor Plate - Black Perfect for those who live in states that require 10-round magazines or those that compete and require a 10-round-only magazine. Compatible With: HK USP 45 Full Size HK USP Tactical 45 HK...HKP-02366$54.95 -
On Sale
H&K Pistol Mag 4 Slot Pouch
H&K Heckler & Koch
Now: $19.95Was: $27.95H&K Pistol Mag 4 Slot Pouch Features: HK licensed red HK embroidered logo Mil-Spec Ballistic nylon Durable construction with heavy duty velcro fold-over flap Specifications: Height: 6" Length: 8.5" Color: Black (4) Compartments to fit...HKP-19693Now: $19.95Was: $27.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Side or Bottom Rail
H&K Heckler & Koch
$67.95HK Factory German USC/UMP Side Or Bottom Rail W/ Screws Up to three sides can be used - two for the sides and one for the bottom. Best quality and price available anywhere. Made from hard coat anodized aluminum. Please Note: White lettering on rails may...HKP-00597$67.95