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 91/G3 (7.62x51/.308) Wood Stock w/ Enhanced Buffer Installed
H&K Heckler & Koch
$229.95HK German G3, 91, PTR Wood Stock With- Enhanced DMR Buffer Installed Each stock includes: Metal Backplate With Recoil Spring Installed Modified by our HK gunsmith and an enhanced heavy buffer has been installed Heavy Buffer Assembly Complete Wood Stock...HKP-16697$229.95 -
H&K HK .45 ACP Pistol Field Cleaning Kit
H&K Heckler & Koch
$69.95H&K HK .45 ACP Pistol Field Cleaning Kit This is a genuine HK factory cleaning kit and is recommended by HK for all HK pistol owners. Compatible With: HK45, HK45 Tactical HK45C, HK45C Tactical USP 45, USP 45 Tactical USPC 45, USPC...HKP-01245$69.95 -
H&K HK 33 Slimline Forearm - OD Green
H&K Heckler & Koch
$59.95H&K HK 33 Slimline Forearm - OD Green Used German military surplus O.D green slimline forearm cut down to fit the HK 33. These are rare items only offered here at HK Parts. Each item is in good to excellent shape and will clean up nicely with a...HKP-20198$59.95 -
H&K HK 416 Commercial Factory E1 Rear Stock - Black
H&K Heckler & Koch
$249.95H&K HK 416 Commercial Factory E1 Rear Stock - Black HK 416 factory German E1 Rear Stock latest HK German stock for all HK 416/MR556 rifles. This HK 416 HKE1 Buttstock fits Commercial buffer tubes (receiver extensions) for M4/AR15 type weapons. NO...HKP-15426$249.95 -
H&K HK MP5/MP5K Semi Auto Ambidextrous Trigger Pack
HK Parts, Heckler & Koch
$299.95H&K MP5/K 9mm Semi-Auto Ambidextrous Trigger Pack Each Trigger pack is fully assembled and ready to drop in your Ambi FBI, Navy pictogram housing. All parts are German HK with the exception of the trigger pack box and the 9mm ejector lever...HKP-19867$299.95 -
H&K HK USP 9mm / .40 S&W Magazine Loader - Black
H&K Heckler & Koch
$24.95H&K HK USP 9mm / .40 S&W Magazine Loader - Black Factory new Heckler & Koch. Compatible With: HK USP 9mm HK USP .40 S&W HK USP .357 SIG Please Note: This does not fit USP .45 magazines.HKP-01165$24.95 -
H&K HK USP Full Size 9mm/.40 S&W Extractor
H&K Heckler & Koch
$39.95H&K HK USP Full Size 9mm/.40 S&W Extractor New HK German. A great spare & replacement item for your USP 9mm or USP .40 pistol. Compatible With: HK USP 9mm HK USP 40 S&W HK USP Tactical, Expert, EliteHKP-00324$39.95 -
Out Of Stock
H&K MP5, MP5K Case Deflector
H&K Heckler & Koch
$0.00HK German case deflector for receiver flat or receiver for all MP5, HK94, MP5K & SP89 builds. The case deflector is riveted or welded in place on the ejection port of the 9mm receiver/flat to aid in the extraction of the 9mm round. HK MP5, 94 HK...HKP-00871$0.00 -
H&K Single Point Sling - Quick Detach - Tan
H&K Heckler & Koch
$29.95HK Single Point Sling in Tan - Quick Detach Specifications: Made in the USA Composition: thick, all black, heavy-duty Cordura nylon Style: bungee-type design for positive retention and control Connection: HK sling hook attachment point with elastic...HKP-19766$29.95 -
H&K UMP/USC (.40 S&W/.45 ACP/9mm) Ejector Lever
H&K Heckler & Koch
$39.95HK German UMP & USC Ejector Lever - German New HK German OEM part. Each unit fits all calibers of UMP & USC firearms. A great spare to have on hand as they are prone to shearing off with use and must be replaced. Compatible With: UMP .45 UMP ...HKP-00263$39.95 -
HK VP9 Optics Plate #5 Fastfire
HKP HK Parts
$49.95Optics Plate #5 Fastfire - USA - Steel HK VP9 Compatible With: Burris Fastfire 2 & 3 and Vortex Viper and Venom & ADE Advanced RD3-015 HK VP9 OR, VP9 Tactical OR HK VP9L OR HK VP9 Match OR VP9SK OR **Plate Only works with VP9 pistols with...HKP-19544$49.95 -
HK VP9L International RH Holster - Black
Comp-Tac
$86.95HK VP9L International Holster - Right Hand The International is an outside the waistband holster with a modular mounting design giving the user 16 holster options in 1. Designed to be worn at 3:00 this holsters is perfect for competition shooting,...HKP-19092$86.95 -
HKP +5 HK P2000/USPC .40 S&W Magazine Extension
HKP HK Parts
$49.95HKP +5 HK P2000/USPC .40 S&W Magazine Extension HK Parts magazine extension +5 adds 5 additional rounds to the HK P2000, 12 round magazine. It uses the existing mag body, spring, and follower. Just slide the magazine extension on and tighten it...HKP-18644-M$49.95 -
HKP - HK UMP, USC - Flat Trigger
HKP HK Parts
$99.95HKP - HK UMP, USC - Flat Trigger With our new flat trigger you will improve the aesthetics of your firearm and will also give shooters a lower position on the trigger, which will increase leverage for a smoother, more consistent pull. Our flat trigger...HKP-20766$99.95 -
Sale
HKP 9mm Micro Comp - Threaded 1/2x28
HKP HK Parts
Now: $39.95Was: $49.95HKP 9mm Micro Comp - Threaded 1/2x28 RH Enhance your 9mm pistol with this precision-engineered Micro Compensator. Threaded 1/2x28, this micro comp is designed to reduce recoil and muzzle rise, improving your shooting accuracy and control. Its...HKP-18029Now: $39.95Was: $49.95 -
HKP HK VP9 Ultra Match Trigger Return Spring
HKP HK Parts
$9.95HKP HK VP9 Ultra Match Trigger Return Spring Ultra Match trigger return spring will give your VP9 and VP40 an even smoother, crisper, and lighter pull. This helps promote consistent match-grade accuracy and control by dropping the trigger pull...HKP-21164$9.95 -
Sale
HKP MP5K/SP89/SP5K 9mm Receiver Flat
HKP HK Parts
Now: $99.95Was: $159.95HK U.S Made MP5K, SP5K, & SP89 Receiver Flat HK MP5K receiver flat (no FFL required) as these are flats and are not considered receivers until the flat is rolled. These are the latest generation flats that have all of the latest improvements. Just...HKP-00768Now: $99.95Was: $159.95 -
HKP/H&K VP9/P30 +15 Magazine Extension
HKP HK Parts
$22.95 - $29.95HKP/H&K VP9/P30 +15 Magazine Extension The HK Parts manufactured HK pistol mag extension allows the user to convert existing VP9, P30, P2000, & USPC magazines to an enhanced magazine capacity. Each mag extension is made from next-generation...HKP-16857-M$22.95 - $29.95 -
PTR HK 91/G3 (7.62x51/.308) Complete Fixed Stock - Black
PTR
$199.95New HK91, G3, PTR-91 US-Made (PTR-91 Manufactured) Fixed Stock Made from all German & US-made HK parts. This stock will fit any of the HK G3 & HK 91 & PTR rifles. This stock also counts as one US-compliant part for 922r compliance. This stock...HKP-00896$199.95 -
UTG Quick Detach Low Profile Folding Grip
UTG
$49.95UTG Quick Detach Low Profile Folding Grip Features: Unique knurled surface for the most solid grip Smart Posi-Lock cross bolt and spring tensioned locking plate with steel insert for the most secure installation Fully adjustable quick detachable...HKP-15029$49.95 -
XS Sight Systems Front Night Sight
XS Sight Systems
$92.99XS Sights - Night Sight Front Sight Post - Standard Dot Size This part works wonders in low-light situations and tactical environments. This is simply the best front-sight post you can get for your HK. Because of the reach of the MP5 and sight...HKP-02066$92.99 -
Franklin Armory - BFSIII MP5 – Binary Trigger Group – SEF Navy Housing
FA Franklin Armory
$899.95Franklin Armory - BFSIII HK-C1 – Binary Trigger Group – SEF Navy Housing SEF Navy style- HK binary trigger group Binary triggers count as 4 922r compliant components. The components that count towards 922r compliance include the trigger...HKP-19506-M$899.95 -
Out Of StockSale
Glock 22-Round .40 S&W Magazine - Black
Glock
Now: $29.95Was: $39.95Glock 22-Round .40 S&W Magazine - Black Factory original, drop-free magazines for your Glock handgun. Glock magazines have a hardened steel insert encased in high-tech polymer. This polymer coating protects the magazine and prevents deformation,...HKP-02292Now: $29.95Was: $39.95 -
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 German MP5K 4 Position (0,1,3,F) Burst Trigger Group
H&K Heckler & Koch
$3,299.95HK German MP5K 4 Position (0,1,3,F) Burst Trigger Group New HK German factory fresh 9mm MP5K 4 position burst trigger group. Each unit comes just as it comes from the factory in Germany and is complete with trigger pack, left and right selector lever...HKP-00403$3,299.95 -
H&K MP5 & MP5K Stop Pin, Axle Set For Bolt Carrier
H&K Heckler & Koch
$14.95MP5 & MP5K Stop Pin, Axle Set For Bolt Carrier Each set is designed to keep the locking piece clocked at the correct location and in place when the stop axle and pin set are installed in the carrier. This item can become damaged...HKP-02558$14.95 -
H&K Selector Catch Lever Spring For Ambidextrous Trigger Packs
H&K Heckler & Koch
$12.95HK German Ambidextrous Trigger Pack Axle Spring For Catch Lever This is the spring that powers the ambi lever that allows you to take apart any of the ambidextrous trigger packs. This lever spring takes the spring tension off of the left and right side...HKP-17328$12.95 -
HK .308 Rifles Clubfoot Stock with Enhanced Heavy Buffer
Michaels Machines
$429.95US G3, 91, PTR-91 Or Clone Club Foot Stock U.S clubfoot stock comes fully assembled and ready to drop onto your HK G3, 91, PTR or other HK style firearm. Enhanced heavy buffer installed for optimum performance. The enhanced heavy buffer has been...HKP-20068$429.95 -
HK SL8, HK G36 Full Size Aftermarket Complete Bottom & Side Rail Set - Black
USA
$69.95HK SL8/G36 Full Size Aftermarket Bottom & Side Rail Set Complete Comes with the bottom and 2 side rails (left and right) as well as the screws and allen wrench. Made of aircraft-grade aluminum and laser marked for easy number identification. New and...HKP-00633$69.95 -
Out Of Stock
HKP HK MR556/MR762/416/417 Front Diopter Sight
HKP HK Parts
$89.95HK MR556, HK416 & MR762 & HK 417 Fixed Front Sight Assembly - USNew US Made HK style front fixed sight for use with the rear diopter style rear sight options. Can also be used on some other AR-15/M-16 applications.New US Manufacture. Complete...HKP-17716$89.95 -
Out Of Stock
HKP HK UMP/USC (.40 S&W/.45 ACP/9mm) Complete Recoil Rod Assembly
HKP HK Parts
$29.95HK USC, UMP 45/40/9mm Recoil Spring/Rod Assembly New USA made recoil assembly complete. Our design allows for easy repair and replacement of the recoil spring itself without replacing the entire recoil assembly as found on the German recoil assemblies...HKP-17989$29.95 -
HKP MP5 & HK94 Vertical K Grip Adapter
HKP HK Parts
$49.95HK Vertical K Grip Adapter For HK MP5 & HK94 (Adapter Only) This is the adapter needed to add an MP5K K grip to your HK94, MP5, or clone.HKP-00175$49.95 -
Sale
HKP VP9/VP9L Optic Ready Slide Filler Plate
HKP HK Parts
Now: $23.96Was: $29.95HK VP9 & VP9L Optic Ready Slide Filler Plate - Aluminum Each plate is CNC machined from a solid billet of aircraft-grade aluminum and anodized black. Ultra lightweight and contoured to match the profile and styling of the HK VP series slide. Made in...HKP-21077-MNow: $23.96Was: $29.95 -
Sale
HKP/H&K UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail - BLEMISHED
HKP HK Parts
Now: $29.95Was: $49.95HKP/H&K UMP/USC (.40 S&W/.45 ACP/9mm) Enhanced Top Receiver Rail - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The extended length allows...HKP-14541-BNow: $29.95Was: $49.95 -
JMAC Customs SS-8R w/ 1913 Folding Mech
JMAC Customs
$265.99JMAC Customs SS-8R w/ 1913 Folding Mech Skeleton stock 8" rise with our own 1913 folding mech (not assembled) 2x integrated QD sling socket 8" length 0.275" cheek rise Drilled and tapped for optional cheek risers (will be available in the future) 7075...HKP-20147$265.99 -
Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 13.5x1 LH
Kaw Valley Precision
$36.95Kaw Valley Precision 9mm 3-Lug Suppressor Adapter - Threaded 13.5x1 LH The KVP 3-Lug adapters are precision manufactured to replicate the popular HK pattern 3-Lug interface, with exceptional concentricity of ID and OD surfaces. Machined on a high...HKP-19993$36.95 -
Magpul HK 91 MOE PR Stock
Magpul
$199.95Magpul HK 91 MOE PR Stock The MOE PR is a full-size carbine stock that blends the simplicity of the legacy MOE carbine stock with design lines reminiscent of the PRS Lite. These similarities naturally incorporate some of the features found on the PRS...HKP-21198$199.95 -
RCM HK USP .40 S&W To .357 SIG Conversion Barrel - Non-Threaded
RCM
$237.50RCM HK USP .40 S&W To .357 SIG Conversion Barrel - Non-Threaded Each barrel is finely and painstakingly made from ordnance grade steel, heat treated, with a nitrided finish inside and out. This is the finest replacement barrel available for the HK...HKP-17746$237.50 -
RCM MP5SD 9mm Locking Piece - 115 Degree
RCM
$33.95RCM MP5SD 9mm Locking Piece - 115 Degree This locking piece is a US-made version of the factory German MP5SD 115-degree locking piece. Each locking piece is made 100% here in the USA with ordnance grade steel, heat treated, and made to last...HKP-02192$33.95 -
Snap Hook 1"
USA
$4.95Snap Hook 1" This is a 1" HK-style snap hook for sling or other custom projects. We also offer 1.25" HK sling hooks, as these are great spare parts to have on hand.HKP-00730$4.95