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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Talon Grip HK Navy Style Lower Pistol Grip Rubber - Black
Talon Grip
$19.99Talon Grip HK Navy Style Lower Pistol Grip Rubber - Black TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy...HKP-20229$19.99 -
B&T Folding Stock/Length Adjustable Helmet Stock Section - Used
B&T Brugger & Thomet
$49.95B&T HK MP5K, SP5K, SP89 Folding/Adjustable Helmet Stock Section Used stocks taken from demilled Swiss Police MP5's. A great stock and value at a great price. Swiss made B&T folding and length adjustable helmet stock for the HK MP5, MP5K and...HKP-19784$49.95 -
H&K 90 Series Burst Trigger Pack Compression Rod
H&K Heckler & Koch
$29.95H&K 90 Series Burst Trigger Pack Compression Rod This is an HK German factory part that is found in all HK burst trigger packs. This part, along with the compression rod spring, is the number one most common wear or breakage parts in burst packs...HKP-01047$29.95 -
H&K 93/53/33 (5.56/.223) Extractor
H&K Heckler & Koch
$67.95H&K 93, 53, & 33 (5.56/.223) Extractor A great replacement for your HK or clone. A high wear item that can become worn, chipped, and non-relaible. A must have spare part. German HK factory fresh production.HKP-00189$67.95 -
H&K HK 30 Round MP5/SP5 & MP5K/SP5K 9mm Magazine - OD Green
H&K Heckler & Koch
$99.95New German - H&K MP5, SP5, SP5K, MP5K 9mm - 30 Round Curved Magazine - OD Green Heckler & Koch factory fresh magazine from this current year's production. 9mm 30 Round curved all-steel magazine stamped "Made In Germany". These are the...HKP-19973$99.95 -
H&K HK 416 Enhanced Firing Pin/Retaining Pin
H&K Heckler & Koch
$19.95HK 416 Firing Pin Retaining Pin- New Style This part is the newer style pin that is goldish, super hardened, and much less prone to wear and tear. The enhanced version is the most robust, easiest-to-use pin available. Compatible With: HK 416 AR15, M4...HKP-02658$19.95 -
H&K HK G36 15.4" CQB Barrel Assembly - Black
H&K Heckler & Koch
$1,095.95Factory German HK G36 CQB Barrel Assembly - New Brand new HK German cold hammer forged barrel assembly, date coded, uninstalled & unfired in the factory wax paper wrapping. This is a one time offering never to be available again. Each barrel assembly...HKP-17026$1,095.95 -
H&K HK MR556/416 Bolt Catch Plunger
H&K Heckler & Koch
$9.95HK MR556 & HK 416 Bolt Catch PlungerHKP-02655$9.95 -
H&K HK MR556/MR762/416/417 Magazine Catch Spring
H&K Heckler & Koch
$9.95HK MR556, HK 416 & MR762 & 417 Magazine Catch Spring HK German manufacture. Compatible With: HK MR556 HK 416, M27 HK MR762 HK 417, G28 AR15, M4 & M16 firearmsHKP-02620$9.95 -
H&K HK P2000 .357 Barrel - Black
H&K Heckler & Koch
$329.95HK P2000 .357 Barrel - Black This is a great spare or replacement barrel to have on hand. This is a popular barrel to convert the P2000 .40 to .357.HKP-01419$329.95 -
H&K HK SP5 German Folding Stock with HK Parts Adapter
$299.95German Folding Stock with HK Parts Adapter - SP5 German folding stock with a SP5 HK Parts adapter. The HK Parts adapter is made from a solid billet of CNC machined aircraft grade aluminum and offers a QD attachment point. This will be a drop in stock for...HKP-20645$299.95 -
H&K HK USP/USPC/45/45C New Style Hammer
H&K Heckler & Koch
$69.95H&K HK USP/USPC/45/45C New Style Hammer Will work for USP/USPC variants 1-4, 9 & 10. This part replaces the older HK hammer without the sear cutout (part #214825). Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact...HKP-01256$69.95 -
Out Of Stock
H&K PTR PDW (7.62x39) & (7.62x51/.308) Retractable Stock - A3 - Used
H&K Heckler & Koch
$0.00PTR PDW Retractable Stock - German Each PTR PDW A3 stock was converted by using a factory, like-new HK German A3 retractable stock. These stocks are professionally converted into a custom-fitted PTR PDW stock including a heavy profile collapsing rod...HKP-16100$0.00 -
HK MP5K, SP5K Rear Push Pin Weldment Set
USA
$14.95HK MP5K, SP5K Rear Push Pin Weldment Set This weldment set is the 2 pieces needed for the rear of the flat/receiver that holds the stock/brace or end cap in place. CNC machined from weldable steel and the finest weldment available on the market...HKP-19632$14.95 -
Out Of Stock
HKP - MP5K, SP89 Receiver Flat With Weldment Set
HKP HK Parts
$239.95HKP - MP5K, SP89 Receiver Flat With Weldment Set New MP5K receiver flat and weldment set combined for the best complete build option on the market. Made by the original German tool and die maker of the LSC receiver flat utilizing factory original German...HKP-20882$239.95 -
HKP 10 Round MP5 40/10 Magazine Block
HKP HK Parts
$9.95HKP 10 Round MP5 40/10 Magazine Block MP5 10/30 mag block plug. This is designed to use on the HK MP5 40/10 30 round magazine. Very easy to install & use. Compatible With: MP5 .40, MP5 10mm Clones or other custom buildsHKP-18170$9.95 -
On Sale
HKP Beanie
HKP HK Parts
Now: $15.99Was: $24.99HKP Beanie Get your hands on some of our premium apparel! Please note this beanie only has the HKP and MP5 logo printed on one side of the tag.HKP-21050Now: $15.99Was: $24.99 -
HKP HK MR556/416 Dual Magazine Clamp
HKP HK Parts
$49.95HKP HK MR556/416 Dual Magazine Clamp Securely hold two HK Maritime 416 magazines together for fast mag swaps. Precision-machined from billet aluminum and cerakoted in the popular RAL8000 or classic black, our dual mag clamp is a must for those...HKP-21553-M$49.95 -
HKP HK VP9 Optics Plate #6 Sig Romeo 1
HKP HK Parts
$44.95HK VP9 Series Optics Plate #6 - Sig Romeo 1 - 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 ordnance...HKP-19545$44.95 -
On Sale
HKP HK VP9L Railok™ Compensator - Black - BLEMISHED
HKP HK Parts
Now: $127.95Was: $189.95HK Parts Railok™ Mounting System Compensator: H&K VP9L COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The HK Parts Railok™ mounting system...HKP-21253-BNow: $127.95Was: $189.95 -
HKP MP5, MP5K Rear Sight Base - Billeted
HKP HK Parts
$17.95Billeted MP5, MP5K Rear Sight Base - Weldment All steel HK MP5, MP5K billeted rear sight base. The most correct MP5, MP5K rear sight base available. The only billeted factory correct sight base with the factory HK German side axis grooves. If you want...HKP-18087$17.95 -
HKP MP5K 9mm Trunnion
HKP HK Parts
$57.95HK MP5K Trunnion - USA US made to exact factory HK specifications for the HK MP5K type builds. Machined completely from ordnance grade steel and heat treated to factory specs. These are the best USA made trunnions on the market. Machined to HK spec...HKP-17964$57.95 -
On Sale
JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28
JMAC Customs
Now: $77.95Was: $99.95JMAC HK MP5 9mm Muzzle Device - Compatible With KeyMo Suppressors - Threaded 1/2x28 management and a 10mm bore to reduce flash and concussion. Its no-timing design allows for easy installation without shims or crush washers. Compatible with KeyMount and...HKP-21256Now: $77.95Was: $99.95 -
Magpul M-LOK QD Sling Mount
Magpul
$27.95Magpul M-LOK QD Sling Mount The M-LOK Quick Detach Sling Mount provides a forward attachment point for the Magpul MS4 Sling and other push-button QD slings. Machined from Mil-Spec anodized aluminum, the low-profile M-LOK QD Sling Mount features beveled...HKP-17268$27.95 -
On Sale
Odin Hoslters HK VP9 RH Appendix IWB Holster - Black
Odin Holsters
Now: $49.95Was: $79.95Appendix Holster - IWB - Right Hand - HK VP9 This is an inside the waistband holster. Each holster is made by hand and is made for use with the HK VP9. Custom molded using a vacuum former for perfect fit and adjustable retention. Great for long...HKP-19618Now: $49.95Was: $79.95 -
SB Tactical HK MP5 SBA3 5 Position Adjustable Stabilizing Brace - Black
SB Tactical
$269.95SBA3 - 5 Position Adjustable Stabilizing Brace - MP5 The perfect addition to your firearm with the ability to adjust length with its 5-position adjustable buffer tube. Dramatically enhances versatility, and features a minimalist design with an integral,...HKP-20276$269.95 -
Surefire X300 Ultra LED Tactical Light
Surefire
$341.95Surefire X300 Ultra - LED Tactical Light Specifications: High-efficiency LED that generates 1000 lumens of brilliant white light Good reach and significant surround light for peripheral vision No filament to burn out or break with LED lights Generates...HKP-13486$341.95 -
Talon Grip HK VP9, VP40 Granulate - Medium - Black
Talon Grip
$19.99TALON Grip - H&K VP9, VP40 - Granulate Black - Medium Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick...HKP-20247$19.99 -
Universal SP5/MP5 Clipping & Pinning Service
USA
$149.95HK Clipped & Pinned Service - Universal SP5/MP5 At HK Parts we offer our own HK trigger housing clip & pin services. No one does a better job with quicker turn around then we do. We will clip and pin any "push pin" plastic housing to the SP5 Spec...HKP-20472$149.95 -
B&T .45 ACP Flash Hider - 3-Lug
B&T Brugger & Thomet
$164.95B&T .45 ACP Flash Hider - 3-Lug B&T Switzerland has supplied these to law enforcement and military units around the world. Rock solid, mil-spec quality from an H&K OEM manufacturer. This flash hider slips over the end of the 3-lug barrel and...HKP-18346$164.95 -
B&T HK 416/MR556 Angled Foregrip / Hand Stop with NAR Interface
B&T Brugger & Thomet
$54.95B&T Angled Foregrip / Hand Stop with NAR Interface A perfect solution for shooters who prefer an angled foregrip. The lugs at the end of the grip assure a firm rest for the supporting hand. The grip can be mounted easily onto any NAR/Picatinny rail...HKP-21416$54.95 -
B&T MP5, HK33, G3, PTR - Mid Range Mount
B&T Brugger & Thomet
$129.95B&T MP5, HK33, G3, PTR - Mid Range Mount This scope mount will allow the the use of the HK fixed sights (through an oval opening) and also allowing the optic to sit higher thant the front sight tower for an unobstructed view. This will allow the use...HKP-16882$129.95 -
On Sale
ETS Glock 19 15-Round 9mm Magazine - Translucent
Elite Tactical Systems
Now: $12.95Was: $21.95ETS Glock 19 15-Round 9mm Magazine - Translucent Features: Standard 15-round capacity Compatible with Glock and aftermarket floorplates Easy disassembly with our specially designed baseplate Ergonomically designed floorplate makes it easy to grab from...HKP-18761Now: $12.95Was: $21.95 -
Friction Sear-USED For SEF, Navy Trigger Packs
H&K Heckler & Koch
$4.49Friction Sear-USED For SEF, Navy Trigger Packs Used in excellent condition, HK German Friction Sear for SEF & Navy trigger packs. This item is also referred to as the catch with roller but more commonly called a sear.HKP-16197$4.49 -
On Sale
Grayguns SIG P320 Competition Adjustable Straight Trigger System
Grayguns
Now: $99.95Was: $159.00Grayguns SIG P320 Competition Adjustable Straight Trigger System The Grayguns Adjustable Straight Competition Trigger System for the SIG Sauer P320 is a drop-in, enhanced trigger package with competition sear for your P320 that reduces trigger...HKP-19757Now: $99.95Was: $159.00 -
H&K Ambidextrous Left Side Extended ESSL 4 Position Burst
H&K Heckler & Koch
$299.95HK German Ambidextrous Left Side EXTENDED Safety Selector Lever 4 Position Burst (0,1,3, F) The ESSL will allow the user to have an easier time getting to the selector lever than a standard length lever. Great for those who...HKP-00126$299.95 -
H&K G3 Standard Buffer Locking Plate
H&K Heckler & Koch
$1.49H&K G3 Standard Buffer Locking Plate This is the plate used with the large buffer screw in the standard buffer.HKP-16982$1.49 -
H&K German Claw Mount - Refinished
H&K Heckler & Koch
$299.95H&K German Claw Mount - Refinished Genuine German HK manufactured refinished claw mounts. No longer made or available as these are out of production and supplies are drying up worldwide. Compatible With: HK MP5 HK 93 HK 91 HK G3 HK PSG-1 HK MSG-90HKP-20632$299.95 -
H&K HK 416/MR556/AR15 Selector Detent Spring
H&K Heckler & Koch
$9.95HK MR556 & HK 416 Selector Detent Spring HK German manufacture. Compatible With: HK MR556 HK416 AR15, M4 & M16HKP-02657$9.95 -
H&K HK MR556/416 Forward Assist Pin
H&K Heckler & Koch
$4.95Forward Assist Pin For MR556 & HK416 PinHKP-02662$4.95