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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
B&T HK MP5K/SP5K/SP89 Barrel - Threaded 1/2x28 - 3-Lug
B&T Brugger & Thomet
$349.95B&T HK MP5K/SP5K/SP89 Barrel - Threaded 1/2x28 - 3-Lug New from B&T Switzerland, cold hammer-forged (CHF), properly fluted & nitrided MP5K/SP5K barrels manufactured exclusively for the HK SP5K. New Swiss manufactured from hand-picked Swiss...HKP-17894$349.95 -
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 -
Out Of Stock
H&K HK G3/91/PTR F/A Complete Training Bolt Group
H&K Heckler & Koch
$0.00H&K HK G3/91/PTR F/A Complete Training Bolt Group Surplus HK German Plastic training ammo bolt group. To be used with the readily available and cheap plastic tipped training ammo only! A neat collectible item as only a small number were made...HKP-18265$0.00 -
H&K HK P30SK Slim Short Slide Release Lever Set
H&K Heckler & Koch
$89.95HK P30SK Slim/Short Slide Release Lever - German HK HK manufactured P30SK slimline style slide release set. This set replaces the factory P30SK stock slide release set that comes from the factory. The slim style set is shorter and thinner in design for...HKP-18028$89.95 -
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 HK MR556/CR556/MR762 H-Key 5 Rail Segment
HKP HK Parts
$24.95HK MR556, CR556 & MR762 HKey Rail Segment - 5 Slot 5 picatinny slot rail segment for the new "HKey" style forearm. Each rail section is designed to fit and attach to any of the new HKey style forearms now being shipped on the MR556, CR556, MR762 and...HKP-17842$24.95 -
HKP HK45C .45 Rail Mount Compensator - Black
HKP HK Parts
$189.95HKP HK45C .45 Rail Mount Compensator - Black Specifications: Length: 4 inches Height: 2 1/2 inches Weight: 5 oz. Torque: 3nM / 26 inch-lbs Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. NOT to be used with HK45C threaded...HKP-20598$189.95 -
HKP Pistol Rug Case
HKP HK Parts
$19.95HKP Pistol Rug Keep your handgun safe with the HK Parts pistol rug. This heavy duty pistol case will accommodate one pistol and up to 5 magazines. Features: Measures 8x13" closed and 13x17" openHKP-21010-M$19.95 -
RCM HK MP5 / 416 .22LR Rifle Barrel
RCM
$189.95RCM HK MP5 / 416 .22LR Rifle Barrel This is the first and only offering of a replacement barrel for the HK .22LR platforms. Replacing the barrel previously required sending the receiver to H&K and having the assembly returned to an FFL. ...HKP-21407$189.95 -
RCM HK MP5SD 9mm Barrel - Threaded 18x1
RCM
$199.95RCM HK MP5SD 9mm Barrel - Threaded 18x1 Made in the USA from Cold Hammer Forged (CHF) steel, this high-quality barrel features a durable nitride finish. Precision-milled to the latest specifications with updated 16 flutes in the chamber, it is designed...HKP-02118$199.95 -
Comp-Tac HK VP9, HK VP40, HK P30/P30L, HK P2000 Twin Paddle Mag Pouch - Black
Comp-Tac
$77.95Comp-Tac HK VP9, HK VP40, HK P30/P30L, HK P2000 Twin Paddle Mag Pouch - Black The Comp-Tac Twin Magazine Paddle pouch is an outside the waistband holder that carries two magazines attached together. Designed to be worn at 9:00 for a right handed shooter...HKP-18398$77.95 -
Franklin Armory / HKP HK MP5K Binary Trigger Group – 2 Round Engraved Binary Housing
FA Franklin Armory / HKP
$1,449.95 - $1,499.95Franklin Armory / HKP HK MP5K Binary Trigger Group – 2 Round Engraved Binary Housing Our latest and greatest binary trigger group was delivered with a factory HK German housing professionally engraved and painted with a 2-round burst pictograph to...HKP-21114-M$1,449.95 - $1,499.95 -
H&K MP5 9mm Flash Hider - 3-Lug
H&K Heckler & Koch
$164.95H&K MP5 9mm Flash Hider - 3-Lug This part attaches to the end of any factory specification 9mm 3-lugged barrel. This flash hider does not require the use of threads as it attaches to the 3-lug tip, this is also a great addition for any of the 3-lug...HKP-00082$164.95 -
HKP 9mm Knurled Micro Comp - Threaded 1/2x28 RH
HKP HK Parts
$29.95HKP 9mm Knurled Micro Comp - Threaded 1/2x28 RH The HK Parts Micro Comp & Thread Protector is a sleek, functional solution for enhancing your 9mm pistol's performance. Designed to be lightweight and efficient, this micro compensator easily attaches...HKP-21124$29.95 -
GG&G HK USPC Pistol Flashlight Adapter
GG&G
$69.95GG&G HK USPC Pistol Flashlight Adapter With a large number of flashlights and lasers that fit on a Picatinny or MIL-STD-1913 rail, GG&G has designed and manufactured an HK USP compact flashlight mounting rail adapter meeting the Picatinny Rail...HKP-01106$69.95 -
H&K 12 Round HK USPC, HK P2000 .40 S&W Magazine - Black
H&K Heckler & Koch
$69.9512 Round HK USPC & HK P2000 .40 S&W Magazine - Black Low-profile magazine for concealed carry or a lower profile. Each is brand new old stock and may or may not be LEO marked on the magazine body. Compatible With: HK USP Compact .40 S&W HK...HKP-02244$69.95 -
H&K 15 Round MP5/SP5/MP5K/SP5K 9mm Curved Magazine - Cerakote
H&K Heckler & Koch
$99.95HK German MP5, MP5K, SP5, SP5K - 15 Round Magazine - Cerakote Brand new factory fresh German HK 15 round curved magazine. Perfect for those in need of a lower capacity magazine for a more comfortable prone position shooting. Compatible With:...HKP-21383-M$99.95 -
H&K Ambidextrous Rear Stock Sling Pin - Large
H&K Heckler & Koch
$166.95H&K Ambidextrous Rear Stock Sling Pin - Large The ambidextrous sling hook push pin replaces the stock push pin on the rear stock of the HK firearm, to enable the use of an HK sling for both left and right hand use. This part will replace and work on...HKP-00078$166.95 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) Picatinny Rail Screw
$0.75HK UMP/USC (.40 S&W/.45 ACP/9mm) Picatinny Rail Screw Good spares to have on hand as screws can get damaged or lost.HKP-16562$0.75 -
HKP HK 416/MR556/MR762 Flip Up Rear Sight-3mm
HKP HK Parts
$139.95HK 416, MR556 & 417 Flip Up Rear Sight Diopter 3mm Sight - US Attaches to any standard picatinny rail. No hardware needed as this is a self contained quick attach rear sight assembly. This unique sight features a quick & easy push button...HKP-17715$139.95 -
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 MP5 9mm Barrel Extension
HKP HK Parts
$49.95HKP MP5 9mm Barrel Extension The MP5 3-lug barrel extension functions as a fake suppressor to give the standard 8.85" barrel an overall length of 16" for rifle builds. The extension slips over the tri-lug adapter and is pinned into place by a...HKP-18000$49.95 -
B&T BT GHM9 Telescoping Brace Adapter - Black
B&T Brugger & Thomet
$509.95B&T Telescoping Brace Adapter for GHM9 Tailhook is not included. ***Stabilizing braces sold by HK Parts are designed and intended for the exclusive application as a forearm stabilizing brace, not for a shoulder fire application. The user bears...HKP-18946$509.95 -
Franklin Armory HK MP5-AR Binary Trigger Group
FA Franklin Armory
$849.95Franklin Armory BFSIII HK-C1 - Trigger Group For MP5, SP5 Our new and improved HK-AR Navy ambidextrous lower housing is now paired with Franklin Armory binary trigger pack and a Magpul MOE grip to make this complete MP5-AR style binary trigger...HKP-20642$849.95 -
H&K HK416 A5 Factory German Extended Castle Nut
H&K Heckler & Koch
$71.95H&K HK416 A5 Factory German Extended Castle Nut Original HK Factory German steel 416 A5 Extended Castle Nut. Perfect for MR556, HK 416 A5 builds, or upgrades.HKP-19164$71.95 -
Out Of Stock
H&K MP5SD Rubber Handguard
H&K Heckler & Koch
$229.95New HK German MP5SD Rubberized Steel Handguard Ideal for HK MP5SD 9mm firearms, conversions, and other custom builds. This handguard can also be used for MP5K and MP5SD 40/10mm conversions. Brand new factory German HK manufacture.HKP-00136$229.95 -
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 -
HK 53 (5.56/.223) Recoil Assembly Complete
HKP HK Parts
$44.95HK53 Recoil Assembly US manufactured with just the right mixture of US and German components. Each uses a micro polished recoil rod with serviceable end caps that can be taken on and off for spring replacement. Each recoil assembly features a factory...HKP-16752$44.95 -
HKP Compensator Picatinny Rail Delete Plate
HKP HK Parts
$18.95HKP Compensator Picatinny Rail Delete Plate The HK Parts compensator picatinny rail delete plate quickly replaces the picatinny rail for a no-snag, sleeker execution. This offering is not compatible with Rail Mount Compensators with ported holes located...HKP-21317-M$18.95 -
MP5 Tactical Handguard - Low Profile
$99.95MP5 Tactical Handguard - Low Profile Fully adjustable for positive fitment and is built of high-strength aircraft-grade aluminum. Super lightweight and slim profile at less than 5.0 oz. Each handguard will accept your choice of Picatinny...HKP-02526$99.95 -
Strike Industries 9MM Dummy Rounds - Set Of 5
Strike Industries
$8.95SI 9MM Dummy Rounds - Set Of 5 Strike Industries dummy rounds will let you safely test the feeding, extraction, and magazine function of your firearms without the worry of accidental discharge. They also let you dry fire without risking damage to the...HKP-17383$8.95 -
Ergo AR-15 Castle Nut For Buffer Tubes
Ergo
$5.95Ergo AR-15 Castle Nut For Buffer Tubes - US Made Steel Castle-nut for AR buffer tubes fits both mil-spec and commercial buffer tubes alike. Compatible With: HK MR556 & 416 AR-15 style platformsHKP-02729$5.95 -
Out Of Stock
ETS 30 Round HK VP9 9mm Magazine - Translucent
Elite Tactical Systems
$21.9930 Round Magazine - Elite Tactical Systems - 9mm - HK VP9, VP9L Features: Extended 30-round capacity Base plates interchangeable with ETS line of 9mm double stack magazines. Easy disassembly with our specially designed base plate Ergonomically designed...HKP-19197$21.99 -
H&K (7.62x51/.308) Cleaning Kit
H&K / HK Parts
$89.95H&K (7.62x51/.308) Cleaning Kit New Factory HK German 91, G3, PTR, or other HK .308 cleaning kit for all .308 HK's or clones. Includes: Cleaning rod for short and long barrels Adapter for cleaning tools 8-32 Patch holder Bore brush Chamber...HKP-01549$89.95 -
H&K 12 Round HK P2000/USPC .40 S&W Magazine Spring
H&K Heckler & Koch
$8.95HK USPC .40 & P2000 40 S&W 12 Round Magazine Spring Newer improved, latest production, upgraded spring designed for a stiffer spring tension required by several US government agencies. Compatible With: HK P2000 .40 S&W 12-round...HKP-01481$8.95 -
H&K Claw Mount With Stanag Adapter For Scope
H&K Heckler & Koch
$299.95HK Claw Mount With Stanag Adapter For Scope - Used (Good Condition) These parts just came in and were pulled from factory German Demilled HK G3s used in good shape. This product is no longer made or available as these are out of production, and...HKP-02387$299.95 -
H&K G3,91,PTR, 93,33 & MP5, 94 Hammer Strut
H&K Heckler & Koch
$9.95H&K G3,91,PTR, 93,33 & MP5, 94 Hammer Strut New HK German Hammer Strut for 90 series rifles and pistols. A perfect spare to have on hand. This is a non-pinned hammer spring shank. Perfect for your HK project or rebuild. Compatible With: The...HKP-15445$9.95 -
H&K HK P7 Series Piston Plunger, Detent Spring
H&K Heckler & Koch
$7.95HK P7 Series Piston Plunger, Detent Spring Compatible With: PSP P7M8 P7M10 P7M13HKP-01327$7.95 -
H&K HK VP9/VP9SK Cocking Aid Filler Left & Right Set
H&K Heckler & Koch
$17.95Cocking Aid Filler Piece Set For - HK VP9, VP9SK HK VP9/VP9SK Filler set replaces the cocking aids for a "flat" cocking area rather than raised cocking aids as comes standard on the HK VP9 pistol. These are a drop in part for the HK VP9 pistol. Brand new...HKP-17213$17.95 -
H&K MP5 9mm Magazine Locking Plate - Red
HKP HK Parts
$7.95HK MP5, MP5K 9mm Magazine Locking Plate - HK Red Teflon infused glass filled polymer red colored locking plate that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that allows you to swap the locking plate to a red unit. A great...HKP-18303$7.95