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 91/G3 (7.62x51 / .308) Slimline Forearm - Jungle Green - Used Good
H&K Heckler & Koch
$14.95Used German Military Surplus Jungle Green Slim Line Forearm With Heat Shield. Each item is used in good shape and will clean up nicely with a little bit of TLC and some attention. Conditions range from Good to Excellent shape. For the money these are a...HKP-16266$14.95 -
HKP HK 416, Colt M4 .22 Match Trigger Upgrade Spring Kit
HKP HK Parts
$17.49HK 416 .22 & Colt M4 - .22 Match Trigger Spring Kit - Set of 3 Enhanced Springs: The HK Parts Match drop-in spring upgrade set will enhance your HK 416's trigger pull to an even smooth, crisp, and lighter pull that will promote better control,...HKP-17340$17.49 -
H&K Roller Retainer Spring - Action 3
H&K Heckler & Koch
$6.74H&K Roller Retainer Spring - Action 3 This part is the second-generation roller holder. Each retainer fits all "action 3" 9mm MP5 & MP5K bolt heads & MP5 40/10 bolt heads. The roller retainer spring is a common repair and replacement item and...HKP-00068$6.74 -
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 -
HKP HK USP/P30/P2000 Light Hammer Spring
HKP HK Parts
$8.95Finally a New US Production 10 lb. Hammer Spring For HK USP, P30 & P2000. Brought about by many customers asking for a 2 lb. lighter hammer spring than stock (12 lb.). This is also a popular hammer spring used in some custom trigger jobs along with...HKP-16489$8.95 -
HKP HK VP9/VP9SK, HK VP40 Ultra Match Spring Set
HKP HK Parts
$19.95Ultra Match drop-in spring kit will give your VP9, VP40 an even smoother, crisper, and lighter pull that helps promote consistent match-grade accuracy, and control, by dropping the trigger pull of your VP9, VP40 by an average of 2+ pounds. Each two-part...HKP-17222$19.95 -
Lazy Wolf HK VP/P/USP/45 Enhanced Firing Pin Block Spring
Lazy Wolf
$9.95An exciting and desirable new offering as a joint collaboration from the widely renowned Master HK pistol smith Lazy Wolf Guns & HK Parts! This spring was designed by master pistol smith Rick Holm at LWG and is the standard in all of his high-grade...HKP-18110$9.95 -
HK MP5 .22 Match Trigger Upgrade Spring Kit
HKP HK Parts
$17.49H&K MP5 .22 Match Trigger Spring Kit - Set of 3 Enhanced Springs The HK Parts Match drop-in spring upgrade set will enhance your MP5-22's trigger pull to an even smooth, crisp, and lighter pull that will promote better control, which in turn promotes...HKP-17335$17.49 -
Grayguns HK P30, P2000 Short Reset System
Grayguns
$90.00Replicate our custom in-house short reset conversion with a drop-in kit for your HK P2000 or P30 without a thumb safety. Cut from bar stock steel, these kits provide an exacting fit for easy install. The kit shortens the reset travel distance...HKP-19755$90.00 -
HKP 25 Round HK MP5 .22 Magazine Spring
HKP HK Parts
$3.95HK MP5 .22 25 round magazine spring for the MP5-A5 & MP5-SD .22 A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New fresh production mag spring for your HK MP5 .22...HKP-02786$3.95 -
H&K Velcro Patch
H&K Heckler & Koch
$4.95Factory HK Black & Red Patch With Full Velcro BackWear your pride in HK with this HK logo patch. Embroidered HK patch with a full velcro backing for fitment on range bags, hats, clothing, etc.Dimsions:3.5" L x 2.5" HHKP-17322$4.95 -
Lazy Wolf HK Reduced Power Hammer Spring - 11 lb.
Lazy Wolf
$9.95An exciting new offering as a joint collaboration from the widely renowned pistol smith Lazy Wolf Guns & HK Parts! This custom spring was designed exclusively by master trigger smith Rick Holm at LWG where his custom spring line is used in all of his...HKP-18147$9.95 -
HKP MP5-SD Enhanced SD Shroud
HKP HK Parts
$129.95MP5 SD weldable suppressor shroud for HK MP5 SD buildsThe finest SD shroud ever made or available. CNC machined & fully de-burred with the handguard attachment lugs being machined in from the outset not welded in as found on all aftermarket style...HKP-15701$129.95 -
H&K 91/93/33/53/G3 (5.56 / .223) & (7.62x51 / .308) Buffer Screw Locking Washer - Zinc Plated
H&K Heckler & Koch
$0.25HK G3, 91, PTR & HK93, 33, 53 - Locking Washer For Small Buffer ScrewsNew not surplus latest generation of G3, 91, PTR toothed locking washer. Zinc plated (galvanized) as to not corrode or rust like the older style units found on surplus stocks...HKP-17882$0.25 -
H&K No Compromise Decal
H&K Heckler & Koch
$1.95Size: 4 in. CircleWeatherproofShow your support for the HK 416 weapon System. HK shows no compromise as the worlds finest firearms manufacture the world over!HKP-17157$1.95 -
Holex Feeler Gauge Set - 20 Piece - German
HKP HK Parts
$14.95The perfect companion tool for all HK roller lock firearm owners. Each tool includes 20 feeler gauges from .05mm-1.0mm in .05 increments. To help users and shooters maintain the factory recommended bolt gap. This is the exact same tool set used in the...HKP-17212$14.95 -
GSG 22 Round GSG-5 .22LR Magazine Spring
GSG German Sports Guns
$4.95Fits All GSG5 Rifles Or Pistols 22 round mag spring. A must have replacement spare part as the mags are used or stored a backup mag spring is must have. Also, perfect for those that have weak feeding Promag GSG mags as these mag springs will help...HKP-14548$4.95 -
Lazy Wolf HK Reduced Power Hammer Spring - 10 lb.
Lazy Wolf
$9.95An exciting new offering as a joint collaboration from the widely renowned pistol smith Lazy Wolf Guns & HK Parts! This custom spring was designed exclusively by master trigger smith Rick Holm at LWG where his custom spring line is used in all of his...HKP-18132$9.95 -
H&K HK P9/P9S Recoil Buffer
HKP HK Parts
$19.95HK P9S Recoil Buffer Fits All 9mm & 45 P9 & P9S Models This is a must-have replacement item as the buffer will degrade and fall apart with use and age. Replacing the P9 buffer is the most common wear and replacement part on the P9 series of...HKP-01449$19.95 -
Out Of Stock
HKP MP5 SD 9mm Cocking Tube
HKP HK Parts
$129.95MP5 SD Cocking Tube - US MadeHK German MP5 SD spec cocking tube for use on MP5 SD style builds or custom SD builds. These are the finest MP5 SD cocking tube ever offered, Each unit is made from the original factory HK prints & tooling to the perfect...HKP-15700$129.95 -
HKP MP5, HK94 Case Deflector Rivet
HKP HK Parts
$1.95Each case deflector will require 2 rivets to attach the case deflector to the receiver or flat. If you want the factory look and feel of doing it right these rivets are a must. These are a factory correct rivet that provide a fantastic look and as close...HKP-18008$1.95 -
Grayguns HK USP, HK45 Short Reset System
Grayguns
$90.00Our Short Reset System for the HK USP and HK45 replicates the short reset conversion available in our in-house custom action work. Cut from bar stock steel, these kits provide an exacting fit for easy install.The kit...HKP-19753$90.00 -
Uzi Recoil Spring Assembly
IMI
$14.95Uzi factory IMI bolt carrier spring assembly complete. In perfect working order. Pulled from exc condition demilled Uzi firearms.HKP-19918$14.95 -
HKP MP5K Enhanced SD Shroud
HKP HK Parts
$119.95MP5K SD Shroud For SP89 & MP5K Conversion Our MP5K SD shorud is a the best option for those who want to build a custom MP5K SD model. Made in the USA.HKP-00849$119.95 -
HKP Roller +8 - New - 8.08mm
HKP HK Parts
$8.99Roller +8 - New - 8.08mmHK Parts Standard (8.08 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19437$8.99 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) Recoil Buffer
$11.95HK USC & UMP Recoil BufferReplaceable Spare Lower Housing Or Buffer For Buffer Housings. This Is A High Wear & Replacement Item And A Must Have For Spare Parts. Fits ALL UMP & USC Lowers. HK USC .45 HK UMP modelsHKP-18746$11.95 -
Grayguns HK P30, P2000 Short Reset System Thumb Safety
Grayguns
$90.00Replicate our custom in-house short reset conversion with a drop-in kit for your HK P30 with thumb safety. Cut from bar stock steel, these kits provide an exacting fit for easy install.The kit shortens the reset travel distance by about one-third,...HKP-19756$90.00 -
HKP MP5, MP5K Front Sight Tower Assembly
HKP HK Parts
$54.95New US made from a solid billet of ordnance grade steel. Each front sight tower, triple frame set comes complete with a new HK diopter style replaceable front sight post & roll pin. This is the complete set made to the highest tolerances. No ugly...HKP-17792$54.95 -
HKP Roller +6 - New - 8.06mm
HKP HK Parts
$8.99Roller +6 - New - 8.06mmHK Parts Standard (8.06 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19439$8.99 -
HKP Roller +2 - New - 8.02mm
HKP HK Parts
$8.99Roller +2 - New - 8.02mm HK Parts Standard (8.02 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture. Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19423$8.99 -
HKP Roller +4 - New - 8.04mm
HKP HK Parts
$8.99Roller +4 - New - 8.04mmHK Parts Standard (8.04 mm) locking roller, The proper roller size is essential for proper bolt gap. US Manufacture.Price is per roller.**You need to order two for a complete set (pair) for bolt head.**HKP-19441$8.99 -
H&K 91/G3 (7.62x51 / .308) Recoil Spring
H&K Heckler & Koch
$7.95HK German G3, 91, PTR Recoil Spring Best price in the country, on a new German HK factory recoil spring. No surplus or used springs here. Factory-fresh and HK German. Stock up at this price you can afford to keep a few as spares, why buy surplus springs...HKP-00360$7.95 -
On Sale
HKP HK 91/G3 (7.62x51/.308) Rubberized Mag Pouch - Surplus
HKP HK Parts
Now: $4.95Was: $9.95German Surplus Green Rubberized Mag Pouch Used Fits the following HK style firearms: HK G3, 91, PTR & CETME Custom HK builds & HK Clones Please note: These range in shades of green color from OD green to Jungle green. If you have a...HKP-16321Now: $4.95Was: $9.95 -
HKP MP5 Sling Clip for Magwell
HKP HK Parts
$9.95This is the factory correct sling clip that attaches to the left hand side of the magwell.Note: 3 rivets are needed to attach - sold separatelyÂHKP-18313$9.95 -
H&K HK VP9, HK VP40 Complete Recoil Spring Assembly
H&K Heckler & Koch
$89.95Newer 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. This is the 2nd gen recoil spring offering that is...HKP-17613$89.95 -
Out Of Stock
HKP Semi Shelf Weldment - Metal Grip Housing
HKP HK Parts
$14.95HK German Specification Metal Trigger Frame Weldment For Semi Trigger Packs HK weldable semi block or shelf that is welded into the metal SEF style housings when converting them from full auto to semi. This is what is used to allow them to fit on the...HKP-16657$14.95 -
HKP MP5 SD Front Sight Tower With Cocking Tube End Cap
HKP HK Parts
$69.95HKP MP5 SD Front Sight Tower With Cocking Tube End Cap MP5 SD Front Sight Assembly Complete - USAMP5 SD fashioned front sight tower with cocking tube end cap machined as one solid billeted piece. Never before offered and the finest MP5SD front...HKP-17834$69.95 -
On Sale
Czech M10M Gas Mask with Filters - Like New
Czech
Now: $19.95Was: $29.95Czech M10M Gas Mask with Filters - Like New The Czech M10M gas mask comes with filter and drinking tube. This lightweight mask was specially designed for extended use with superior comfort, secure fit, and low breathing resistance. The M10M mask's main...HKP-19932Now: $19.95Was: $29.95 -
Out Of Stock
H&K SL8 (5.56/.223) 10 Round Factory Magazine
H&K Heckler & Koch
$56.95HK German 10-Round Magazine For The SL8-1 & SL8 Firearms. Made in Germany and factory fresh.HKP-00276$56.95 -
H&K HK VP9/VP9SK, HK VP40 Clamping Sleeve Insert, Ejector Housing
H&K Heckler & Koch
$1.95Clamping Sleeve For Insert, Ejector Block Housing For HK VP9, VP40This is the factory correct roll pin for holding the ejector block housing in the frame. New HK German manufacture. A must have spare part. HK VP9 HK VP9SK HK VP40HKP-16805$1.95