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, 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 MP5/SP5/MP5K/SP5K 9mm Extractor Spring
H&K Heckler & Koch
$9.95H&K MP5, SP5, MP5K, & SP5K 9mm Extractor Spring This extractor spring will fit all of the 9mm HK variants including clones. This part is German HK factory manufactured and made to the tightest of specifications and tolerances and will provide a...HKP-00055$9.95 -
FMP MP5, MP5K Extractor Spring
FMP
$4.95New old stock HK contract FMP extractor spring will fit all of the 9mm HK variants including clones. This part was made using HK prints on HK contract tooling that the German HK factory manufactured for the Portuguese Military and police forces. This...HKP-18201$4.95 -
H&K 30 Round MP5 9mm Magazine
H&K Heckler & Koch
$78.95H&K German MP5, SP5, SP5K, and MP5K 9mm - 30 Round Curved Magazine - NEW Heckler & Koch German Magazine 9mm 30 Round curved all-steel magazine. German HK MP5 and MP5K mags are the finest HK magazines you can get. Compatible With: HK MP5,...HKP-00086$78.95 -
HKP MP5K/SP89/SP5K 9mm Vertical Grip
HKP HK Parts
$29.95MP5K, SP89, SP5K Vertical "K" Grip - USA HK vertical grip for the HK MP5K models. Made in the USA and counts as one US made 922r compliant part. The finest US made forearm available. Perfect item for the following applications: MP5K, MP5K-PDW, SP89...HKP-16474$29.95 -
HKP MP5 Replacement Buffer for Folding Stock or End Cap
HKP HK Parts
$3.49HKP MP5 Replacement Buffer for Folding Stock or End Cap Spare Replacement Buffer For Choate Folding Stocks Or End caps. Compatible With: Choate MP5 and MP5K stocks or end capsHKP-18735$3.49 -
Mag-Grip MP5 & MP5K 9mm Dual Magazine Clamp
$29.95Mag-Grip MP5 & MP5K 9mm Dual Magazine Clamp The MP5 and MP5K magazine grip or dual magazine clamp fits all 9mm MP5 or MP5K curved magazines. This part holds two magazines together for ease of use and easy access to 2 magazines. It is made in...HKP-00084$29.95 -
KCI 30 Round MP5 9mm Magazine
KCI
$39.95 - $44.95Korean 30 Round MP5, MP5K Magazine - GEN 2 - KCI USA Compatible With: HK MP5, HK94, MP5 SD, HK SP5 HK MP5K, SP89, SP5K Zenith, Century AP5, MKE, POF & Omega, PTR In Spec 94, MP5 & MP5K, SP89 Style Clones Features: Latest generation and factory...HKP-00955$39.95 - $44.95 -
H&K 90 Series Pinned hammer
H&K Heckler & Koch
$29.95Hammer, Full Auto HK 90 Series Trigger Packs - German HK - UsedGerman HK Hammer Used surplus in VG-EXC shape and in perfect working order. With the proper hole on the hammer to pin the strut in place. This hammer is the hammer that is most commonly used...HKP-18305$29.95 -
HKP Rear Stock Pin Bushing Weldment
HKP HK Parts
$3.95HK Rear Stock Push Pin Bushing WeldmentAll Steel rear stock pin bushing weldment for welding in the rear of the flat. This bushing welds into the folded flat and guides the large push pin through the receiver to hold the stock to the receiver. Once...HKP-17573$3.95 -
H&K 30 Round MP5 Magazine Spring
H&K Heckler & Koch
$6.95HK MP5 30 Round Magazine Spring - German The MP5 30-round spring is a must-have replacement spring for all HK MP5 curved magazines. HK factory springs have been known to help cure worn, weak, or aftermarket magazine springs that do not feed well and...HKP-00089$6.95 -
H&K 90 Series Butt Stock Push Pin
H&K Heckler & Koch
$3.95Each large stock push pin is used to retain the stock to the receiver on the 90 series of firearms. Large push pins are for the stock and the small push pin is for the forearm and lower. The HK German genuine push pins are take off's from demilled G3...HKP-18038$3.95 -
H&K MP5, MP5K & SP5K 9mm Extractor
H&K Heckler & Koch
$59.95New HK German HK 9mm Extractor - Latest Generation This is the latest and greatest HK MP5 (newest F style version) German extractor. Each unit works with all HK MP5, HK94, MP5K, SP89, SP5K, or other 9mm clones. A great part to have as a spare or to...HKP-00057$59.95 -
HKP MP5 & MP5K 9mm Magazine Floor Plate
HKP HK Parts
$9.95HK MP5 & MP5K 9mm Magazine Floor Plate - US New US manufactured MP5, MP5K 9mm magazine floor plate. Made in the USA, fully heat treated and built to factory specification. A great replacement for 922r compliance as it counts as 1 US made compliant...HKP-17507$9.95 -
Out Of Stock
RCM HK MP5K/N/PDW # 28 Locking Piece 80 Degree
RCM
$35.95New USA - RCM Manufactured #28 Locking Piece This part is used in conjunction with a suppressor and 147-grain or heavier ammunition. This item is made 100% here in the US from enhanced steel and heat treated to the proper specifications...HKP-02190$35.95 -
HKP MP5, MP5K Cocking Handle
HKP HK Parts
$29.95HKP MP5, MP5K Cocking Handle: Each new US-made cocking handle is an exact copy of the latest-generation German cocking handle. Our US-made HK cocking handle is a great spare to have on hand or to upgrade your clone to the finest US-made cocking...HKP-00653$29.95 -
H&K MP5, MP5K 9mm Hammer Spring
H&K Heckler & Koch
$6.89H&K MP5, MP5K 9mm Hammer Spring Each factory HK hammer spring will work in all 9mm & 40/10 trigger packs. Do not settle for an HK contract when you can have HK German for less. Great upgrade for all of the clones that use the improper hammer...HKP-00064$6.89 -
Zenith 30 Round HK MP5, MP5K 9mm Magazine
Zenith
$38.9530 Round Magazine - Zenith - MP5, MP5K Features: Durable electro-plated black finish for exceptional corrosion resistance All steel construction Round count indicator holes on the rear of the magazine Stainless steel follower Reinforced feed...HKP-20671$38.95 -
HKP MP5, SP5 & PDW Rear Sight Drum
HKP HK Parts
$34.95Factory correct HK spec USA made MP5, SP5, MP5K PDW & HK94 rear sight drum. This is also the correct rear sight drum for the MP5K PDW or MP5K-N family of firearms. This is also a very popular upgrade for many of the existing clones on the market as...HKP-18202$34.95 -
H&K MP5 9mm SEF Full Auto Trigger Pack Complete
H&K Heckler & Koch
$349.95HK German SEF MP5, MP5K - 9mm Full Auto Trigger Pack Complete Each factory full auto trigger pack includes a new 9mm 3rd generation German ejector lever installed. We do NOT use Pakistani, MKE, or US-made ejector levers in our trigger packs. Each...HKP-00981$349.95 -
Out Of Stock
H&K MP5K 9mm Vertical Grip
H&K Heckler & Koch
$0.00HK German Factory MP5K & SP89, PDW Vertical "K" Grip The "K" Grip will also fit the MP5, HK94, and HK53 with the use of a K-Grip adapter (see below), all NFA rules apply. This uses the standard HK small push pin to attach to the cocking tube...HKP-00387$0.00 -
DTAC Mag Paddle Bushing With Pin For Semi Builds
DTAC Dakota Tactical
$9.89DTAC Mag Paddle Bushing With Pin For Semi-Builds This part is made 100% in the US from 17-4 stainless steel. Latest production with patent pending anti-binding enhancement upgrade. Accurate tolerance for easy movement with minimal play. It has an...HKP-02194$9.89 -
Choate MP5K/SP89/SP5K 9mm Folding Stock
Choate
$199.95MP5K, SP89 & SP5K Tactical Folding Stock - US Made 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...HKP-00390$199.95 -
HKP MP5 Cocking Handle - Extended Knurled
HKP HK Parts
$29.95HK MP5, MP5K Cocking Handle Extended New extended cocking handle for the MP5 style of firearms. Each cocking handle offers twice the grabbing area for charging the firearm and is made 100% from solid billet. Each item also count as a needed US made...HKP-16999$29.95 -
On Sale
MFI Universal Low Profile Scope Mount
MFI
Now: $99.95Was: $129.95MFI Universal Low Profile Scope Mount The new "universal" mount will fit all models from 9mm through .308 and every model in between. The sleek universal design allows the operator to flip the scope mount in either direction without blocking the ejection...HKP-00762Now: $99.95Was: $129.95 -
B&T HK MP5K, HK SP89, HK SP5K Folding Stock - Black
B&T Brugger & Thomet
$274.95B&T HK MP5K, HK SP89, HK SP5K Folding Stock - Black These are hard to find and the real deal. 100% Swiss Made. Compatible with all HK MP5K's, SP89's, SP5K's, or clones (NFA rules apply). This is a military-grade stock. B&T is an HK-OEM...HKP-00172$274.95 -
H&K MP5 Bolt Group Backup Kit - Action 3
H&K Heckler & Koch
$22.95New HK German MP5, MP5K, HK94, SP89 9mm Action 3 Bolt Group Backup Kit.This Kit Includes The Highest Wear And Replace Items On The MP5 Action 3 Bolt Group, As Well As The Easy To Lose Pin.Each Repair Kit Includes: Factory German MP5 9mm Extractor Spring...HKP-16993$22.95 -
Maglula Mag Loader/Unloader
Maglula
$29.95Constructed of high impact durable polymer, the MP5 LULA is an MP5 magazine loading and unloading tool. Each loader is made to quickly load and unload your 9mm MP5 magazines in seconds. This will allow you to do more shooting and less loading. With this...HKP-14546$29.95 -
H&K MP5, HK94 Cocking Tube Support Handle Pin
H&K Heckler & Koch
$1.95HK German MP5, 94 Cocking Tube Support Handle Pin This spring pin holds the cocking handle in place on the cocking tube support. This is also the same part for the front sight roll pin for the triple frame (front sight tower).HKP-00656$1.95 -
H&K MP5 & MP5K Railed Scope Mount - MLI
H&K Heckler & Koch
$329.95HK German Low Profile Mount For HK MP5, SP5 & MP5K, SP5K - MLI Recently released HK German manufactured HK MP5, MP5K low profile picatinny scope mount. Manufactured in house at HK in Germany as part of the "Mid-Life Improvement" upgrade for the HK...HKP-17629$329.95 -
Semi Auto Shelf For Receiver - Billeted
$19.95Semi Auto Shelf For Receiver - Billeted HK Semi Auto Shelf milled from one solid billet to HK's factory specifications (no castings here). This is the needed receiver shelf that is welded to the receiver to allow the use of the clipped & pinned...HKP-01521$19.95 -
B&T MP5, MP5K - Low Profile Scope Mount
B&T Brugger & Thomet
$119.95B&T MP5, MP5K - Low Profile Scope Mount B&T low profile scope mount for the HK MP5, SP5 & MP5K, SP5K Color: Black Height max: 30.7 mm Length max: 84 mm Length of top rail: 84 mm Material: Aluminum NATO Accessory Rails: 1 Part number:...HKP-16875$119.95 -
Out Of Stock
HKP 90 Series Flat Trigger - Enhanced
HKP HK Parts
$49.95HKP 90 Series Flat Trigger - Enhanced Made in the USA from solid billet machined ordnance grade steel, heat treated, finished in a QPQ Nitride finish. With the utmost attention to detail in the design and manufacture of the HK Parts flat 90 series...HKP-18364$49.95 -
H&K Locking Roller Pin For Bolt Heads
H&K Heckler & Koch
$6.95H&K Locking Roller Pin For Bolt Heads HK roller retainer pin or clamping sleeve (holds roller retainer plate in place). Each retainer pin works with all roller retainer plates & springs. All 3 types including oval-shaped roller retainer...HKP-00066$6.95 -
Out Of Stock
H&K MP5 & MP5K 9mm Magazine Clamp
H&K Heckler & Koch
$149.95HK German MP5 & SP5 Or MP5K & SP5K 9mm Magazine Clamp Allows the user to clamp two times MP5 9mm 30-round magazines together for ease of use & safety by keeping two magazines usable and at your disposal. A Heckler & Koch German made...HKP-00083$149.95 -
H&K HK MP5K SEF Navy Style Push Pin Trigger Housing - Used
H&K Heckler & Koch
$74.95HK German SEF MP5K "Navy Style" Push Pin SEF Trigger Housing - USEDHK German factory date coded SEF grip frame that has been cut to MP5K factory German specs. This style of housing is for push pin firearms that do not require a clipped and pinned...HKP-19997$74.95 -
H&K Roller For Bolt Head 8.00mm - Standard
H&K Heckler & Koch
$12.95H&K Roller For Bolt Head 8.00mm - Standard The 8mm roller is the proper roller size for the standard "zero" function. The correct 8mm roller is essential for proper head spacing and bolt gap. New HK German, not surplus or used goods, that are worn...HKP-00506$12.95 -
KCI 20 Round HK MP5, HK MP5K 9mm Magazine - Black
KCI
$39.9920 Round Magazine - KCI USA - Gen 2 - H&K MP5, MP5K Made in South Korea and imported by KCI USA. Curved for more reliable feeding, these 20-rounds MP5 magazines have been endurance tested by KCI and carry a Limited Lifetime Warranty. A perfect low...HKP-19418$39.99 -
HKP MP5 & HK94 Firing Pin Spring - Enhanced
HKP HK Parts
$4.95MP5 & HK94 Firing Pin Spring - Enhanced The "Enhanced" firing pin spring was analyzed and engineered from scratch with the latest in performance spring technology and an emphasis on reducing stress on the spring and increasing cycle life by 500%...HKP-02321$4.95 -
Out Of Stock
HKP MP5, MP5K Cocking Handle - Extended
HKP HK Parts
$39.95HK MP5, MP5K Contoured Cocking Handle - Extended Enhanced extended cocking handle for the MP5 style of firearms. Each cocking handle offers twice the grabbing area for charging the firearm and each is made 100% from solid steel billet. Each item also...HKP-17149$39.95 -
HKP Pistol Grip Parts Storage Holder
HKP HK Parts
$29.95A must have item for storage of much needed 123 batteries for your gear such as optics, lasers, illuminators, etc. This HK grip plug will fit all Navy Style or Ambidextrous housings that have the holding tabs in the bottom of the grip for the tension...HKP-16468$29.95