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 UMP (.45 ACP) 25 Round Magazine Spring
H&K Heckler & Koch
$9.95H&K UMP (.45 ACP) 25-Round Magazine Spring Perfect for spares and to have on hand as these are a consumable item that needs to be replaced from time to time. A must-have item if you own a USC/UMP conversion or UMP.HKP-01548$9.95 -
HKP HK USP .45 ACP/Mark 23 Enhanced Magazine Extension Kit +5
HKP HK Parts
$49.95HKP HK USP .45 ACP/Mark 23 Enhanced Magazine Extension Kit +5 HK Parts USP .45/Mark 23 enhanced +5 magazine extension. Our design represents a symbiotic balance of form and function. The added grooves enhance dexterity during those quick mag swaps while...HKP-21458-M$49.95 -
H&K HK MR556/MR762/416/417 Fixed Front Sight Assembly
H&K Heckler & Koch
$149.95H&K HK MR556/MR762/416/417 Fixed Front Sight Assembly German HK front fixed sight for use with a rear diopter style sight. It can also be used on some other Ar-15/M-16 applications. Complete with all mounting hardware for a Picatinny rail. Compatible...HKP-00025$149.95 -
H&K 91/G3 (7.62x51/.308) Cocking Handle - Black Rubberized - Surplus
H&K Heckler & Koch
$19.95HK German HK G3 & HK 91 Rubberized Cocking Handle- Black Used German military surplus from G3 Military rifles. Last remaining units we have on hand. Each comes complete, black in color. Date coded. Made by HK for the German military. Compatible...HKP-17083$19.95 -
HKP MP5 Sling Clip for Magwell
HKP HK Parts
$9.95HKP MP5 Sling Clip for Magwell This is the factory correct sling clip that attaches to the left hand side of the magwell. Note: 3 rivets are required to attach - sold separatelyHKP-18313$9.95 -
On Sale
Glock 17-Round 9mm Magazine - Black
Glock
Now: $19.95Was: $30.00Glock 17-Round 9mm Magazine Compatible With: Glock 17, 34 It will fit the Glock 19 & 26 models but will stick out below the bottom of the grip. Features: Capacity: 17 Rounds Caliber: 9mm Construction: Polymer with hardened steel...HKP-00010Now: $19.95Was: $30.00 -
X-Grip HK P2000 to P30/VP9 Magazine Adapter
X-Grip
$15.95X-Grip HK P2000 to P30/VP9 Magazine Adapter The XGRIP P2000 is a new patent pending OEM factory accessory for the HK P2000 that enhances the versatility, look, and feel of the gun. Features: Versatility: Size of a Compact, capacity of a Full-Size The...HKP-16670$15.95 -
HKP HK UMP .45 & UMP .40 Dual Magazine Clamp
$49.95UMP .45/.40 Dual Magazine Clamp The UMP mag clamp fits all .45 and .40 UMP magazines. Holds two magazines together for ease of use and easy access to 2 magazines. Billet machined and hard coat anodized. Features: Made in the USA Dual-Magazine...HKP-19539-M$49.95 -
Out Of Stock
H&K HK VP9, HK VP40 Complete Recoil Spring Assembly
H&K Heckler & Koch
$89.95H&K HK VP9, HK VP40 Complete Recoil Spring Assembly Newer style recoil spring offering that is now standard in all VP9 & VP40 models. This model has a slightly stiffer spring rate than the earlier 1st gen VP9 recoil spring models...HKP-17613$89.95 -
HKP 93/91/33/53/G3/FMP21 (5.56/.223) & (7.62x51/.308) Rear Sight Base Weldment
HKP HK Parts
$29.95HK G3, HK91, PTR & HK93, 33 & 53, FMP21 Rear Sight Base Weldment New US manufactured billeted from solid ordnance grade bar stock. Perfect for roller lock or other custom builds. Each unit is precisely machined and the best rear base available...HKP-17386$29.95 -
MP5 40/10 Extractor Spring
$9.95HK MP5 40/10 & .357 - Extractor Spring The extractor spring is the most common wear item on an MP5 and a must-have spare and replacement part. HK Germany no longer makes the MP5 40/10 extractor spring, and they are no longer available. Our offering...HKP-00409$9.95 -
H&K +2 Roller For Bolt Head 8.02mm - Over-sized
H&K Heckler & Koch
$39.95H&K +2 Roller For Bolt Head 8.02mm - Over-sized New HK standard (8.02 mm) locking roller. The proper roller size is essential for a proper bolt gap. New HK German, not surplus or used out-of-spec part. Please Note: The price listed is per roller...HKP-00507$39.95 -
3 Point Factory Sling HK German - Green
$99.953 Point Factory Sling HK German - Green New HK German manufactured. This sling can be used as a 2-point or 3-point sling on your HK firearm. This sling is the factory HK-issued sling that came on the 90 series of firearms. Compatible...HKP-00182$99.95 -
H&K SEF Long Axle Selector Lever - LIKE NEW
H&K Heckler & Koch
$32.95H&K SEF Long Axle Selector Lever Like new - Polymer Housing Sorted to provide the best looking selector levers for your build. Some will have some signs of installation and usage but a overall a like new selector. If you have a polymer SEF housing...HKP-21338$32.95 -
On Sale
HKP Sig Sauer P320-XFIVE Legion Compensator
HKP HK Parts
Now: $129.95Was: $189.95HKP Sig Sauer P320-XFIVE Legion Compensator for Non-Threaded Barrel Our P320 XFIVE Legion compensator reduces recoil and muzzle flip. Each unit is 100% US made and finished in durable black cerakote. Our XFIVE compensator features a picatinny rail...HKP-21363Now: $129.95Was: $189.95 -
Magpul 50 Round HK MP5, MP5K PMAG D-50 Drum
Magpul
$124.95Magpul - PMAG D-50 - MP5, SP5, Mp5K, SP5K Lightweight but incredibly strong, our PMAG D-50 MP is a highly reliable, 9x19mm Parabellum, 50-round drum magazine for HK94/MP5 large-format pistols and pistol caliber carbines. The PMAG D-50 MP boasts many of...HKP-19536$124.95 -
H&K 10 Round HK MR556/416 5.56/.223 Magazine - Black
H&K Heckler & Koch
$69.95HK416 & MR556 Factory - 10 Round Steel Maritime Coated Magazine Compatible with AR-15 & M16 firearms. All steel & stainless construction, maritime coated & made to last a lifetime. Compatible With: HK MR556 HK 416 HK...HKP-02421$69.95 -
Gear Head Works Tailhook Mod 1 - Black
Gear Head Works
$129.95Gear Head Works Tailhook Mod 1 - Black The GHW Tailhook clamps to pistol buffer tubes or adapter spuds ranging from 1.17" to 1.2" in diameter. It features a limited rotation sling swivel QD socket as well. Weighing in at a scant 4.5 ounces, you will...HKP-19134$129.95 -
AIM HK 91/G3 (7.62x51/.308) Full Length Handguard - M-LOK
AIM
$85.95HK 91 RIFLE LENGTH HANDGUARD- M-LOK This sleek streamlined design is an ultra low profile handguard with generous mounting space to accept all M-LOK accessories. Superior ergonomics and simple, drop-in installation makes this the best HK pattern rail on...HKP-18176$85.95 -
H&K 40 Round HK MP7 4.6x30mm Magazine - Black
H&K Heckler & Koch
$99.95HK German MP7, MP7A1, & MP7A2 - 40 Round Magazine New Factory German. For use with all the 4.6 X 30mm HK MP7A1 & MP7A2.HKP-00364$99.95 -
RCM MP5SD 9mm Locking Piece - 120 Degree
RCM
$34.95MP5SD 120 Degree Locking Piece - US This locking piece is a US made version of the factory German MP5SD 120 degree locking piece. This was the German locking piece that was marked #5 when HK Germany used to make them. Each locking piece is made here in...HKP-16715$34.95 -
HKP HK MP5 .22 Sling Clip Kit - Black
HKP HK Parts
$24.95HKP HK MP5 .22 Sling Clip Kit - Black Each unit will fit all models of the MP5 .22 that have the 3 mounting holes on the left side of the magwell. This item installs in a few mins and comes complete with all you need for the install. With the addition of...HKP-15706$24.95 -
H&K 30 Round MP5, MP5K, SP5K Magazine Body
H&K Heckler & Koch
$54.95H&K 30 Round MP5, MP5K, SP5K Magazine Body Heckler & Koch factory fresh magazine housing/body from this current year's production. MP5, MP5K 9mm 30 Round curved all steel magazine body stamped "Made In Germany". Compatible With HK MP5,...HKP-18212$54.95 -
HKP HK UMP 45, SMG 45 Magazine Loader
HKP HK Parts
$39.95HKP HK UMP 45, SMG 45 Magazine Loader The enhanced loader is the finest loader available for UMP 45 magazines. Speed up your load time and save your thumb in the process. Made in the USA. Compatible With: H&K UMP & USC 45 magazines LWRC SMG 45...HKP-19662$39.95 -
Out Of Stock
H&K G36 (5.56/.223) 2 Position (0,1 Pictogram) Lower Housing
H&K Heckler & Koch
$0.00H&K G36 (5.56/.223) 2 Position (0,1 Pictogram) Lower Housing This lower housing is available without internals, a unique offering as G36 lowers previously only came as complete trigger groups with both grip and internals. Ideal for SL8 to G36...HKP-01504$0.00 -
JMAC Customs HK MP5, HK SP5, HK 33 1913 Rail Stock, Brace Adapter - Black
JMAC Customs
$94.95Picatinny Stock/Brace Adapter - RSA-MP5 - HK SP5 Finally a way to mount 1913 stocks/braces to your favorite full-size MP5 clone! It has a Picatinny rail machined on the rear which allows you to install 1913 style stocks/braces. Cheek wield is...HKP-19305$94.95 -
LSC MP5 9mm Receiver Flat
LSC
$199.95MP5 Receiver Flat - LSC LSC HK MP5 receiver flat is the most in spec flat that has ever been available. The best option for your HK German parts kit build. This flat is considered by many to be most sought after HK flat available on the market and...HKP-20555$199.95 -
H&K HKVP9/VP9SK Left Side Charging Support
H&K Heckler & Koch
$6.99Charging Support, Cocking Aid - Left Side - VP9 & VP9SK Replacement cocking aid for the slide. German HK. Compatible With: VP9 VP9 Tactical VP9SKHKP-16824$6.99 -
Out Of Stock
HKP HK VP9 Optics Plate #9 - Trijicon RMR CC Optic Mount
HKP HK Parts
$49.95HK VP9 Series Optics Ready #9 - Trijicon RMR CC - Optic Mount - Steel The finest all steel mounting solution for your HK VP9 series optic ready model. New solid billet machined steel optics plate. Each plate is CNC machined from a solid billet of...HKP-20027$49.95 -
HKP HK P30 Series Enhanced Magazine Release
HKP HK Parts
$49.95Enhanced Magazine Release - Alloy - HK P30, P30SK, P30L New HK Parts Enhanced and Over-sized Magazine Release. The oversized magazine Release increases the overall surface area and makes it possible to release the magazine without changing the...HKP-21153-M$49.95 -
Magpul 30 Round HK G36 5.56/.223 Magazine - Black
Magpul
$27.95Magpul 30 Round HK G36 5.56/.223 Magazine - Black The PMAG 30G Maglevel (5.56 NATO / .223 Remington) is a durable, lightweight, highly reliable 30-round polymer magazine for the HK G36 series of firearms. Including the SL8 conversions that now use G36...HKP-01740$27.95 -
H&K 21 (7.62x51/.308) 50 Round Ammo Belt w/o Starter Tab
H&K Heckler & Koch
$29.95H&K 21 50-Round Ammo Belt w/o Starter Tab No starter tab. For belt-fed HK 21 guns.HKP-00569$29.95 -
HKP +3 HK VP9/P30 Magazine Extension - Black
HKP HK Parts
$34.95HKP +3 HK VP9/P30 Magazine Extension - Black HK Parts magazine extension adds 3 additional rounds to the magazine with the simple swap of the floorplate for the extension. This is an easy 2 min swap, no gunsmithing needed. Made in the USA out of hard...HKP-17649$34.95 -
On Sale
HKP HK Mark 23 Gen 2 Rail Mount Compensator - Black
HKP HK Parts
Now: $249.95Was: $329.95HKP HK Mark 23 Gen 2 Rail Mount Compensator - Black The HK Parts Mark 23 Compensator is the perfect addition to your firearm. This compensator also includes a picatinny rail so you can still use your lights/lasers. The MK23 compensator can be used with...HKP-18745Now: $249.95Was: $329.95 -
PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH
PTR
$24.95PTR (7.62x51/.308) Flash Hider - Threaded 5/8x24 RH The PTR Flash Hider is made in the USA to the exact specifications of the original HK flash hider, following strict HK standards. This flash hider offers the best quality and price in the country,...HKP-17930$24.95 -
H&K 3 Point Factory Sling
H&K Heckler & Koch
$69.95H&K 3 Point Factory Sling New HK German 3 point factory sling HK Black. Can be used as a 2 point or 3 point sling on your HK rifle. This sling is the factory HK issued sling. Never before offered as the 3 point slings have always been traditionally...HKP-18428$69.95 -
HKP MP5 & MP5K 9mm Contact Piece For Paddle Mag Release
HKP HK Parts
$15.95HK MP5, MP5K 9mm Contact Piece - USA Factory correct US manufactured MP5, MP5K 9mm Contact Piece for Paddle magazine release. Each part was made using the same material and manufacturing methods used on the German HK latest production parts. Hard to find...HKP-17403$15.95 -
On Sale
Comp-Tac HK VP9L/VP9 Match International Comp Carry Holster - Lever
Comp-Tac
$52.95 - $58.95Comp-Tac HK VP9L/VP9 Match International Comp Carry Holster - Lever At last a custom made Comp-Tac international OWB holster for your HK pistol that allows you to have the rail mount compensator, comp weight, or match weight installed. Manufactured by...HKP-20112-M$52.95 - $58.95 -
On Sale
H&K HK 30 Round 416, HK MR556 5.56x45mm/.223 Maritime Magazine
H&K Heckler & Koch
Now: $69.95Was: $89.95HK 416 & MR556 30 Round Maritime Magazine - Multiple Color Options Designed to provide optimum ammunition feeding for any M16/M4/AR15-type weapon, the Heckler & Koch 30-round Steel Magazine can be used in any firearm that...HKP-21169-MNow: $69.95Was: $89.95 -
HKP HK MP5 .22 – RMR / Holosun Optic Mount
HKP HK Parts
$97.95HKP HK MP5 .22 – RMR / Holosun Optic Mount The finest mounting solution to properly mount your RDS on your MP5 .22. Our 3-piece ptic mount installs quickly and securely using the provided hardware. Our mount is the perfect height to co-witness your...HKP-20867$97.95