Parts
At HK Parts, we offer a wide range of high-quality Heckler and Koch accessories and components for your favorite firearms. Whether you are upgrading a Heckler and Koch pistol or rifle, or building with parts kits, we have you covered. Explore top-rated components for VP9, USP, P30, MP5, MP5K, G36, HK416, and more. From triggers, barrels, and grips to magazines, stocks, and sights, find the parts you need to enhance performance, reliability, and function.
Popular upgrades include match triggers, threaded barrels, compensators, optic plates, and extended magazines. Rifle owners often add enhanced stocks, forearms, and ambidextrous controls.
MP5 and MP5K kits are top sellers, giving shooters authentic components for iconic builds. G36 and HK416 kits are also highly sought after by collectors and professionals alike.
HKP offers the world’s largest H&K-focused catalog, with better availability, faster fulfillment, and expert support compared to general retailers.
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On Sale
Replacement Screw Set for Red Dot Sight - RMR
USA
Now: $1.75Was: $1.95Replacement Screw Set For Trijicon RMR Set of 2 6-32 x 1/2" flat head socket cap screws with thread locker. Requires a 2mm allen head key. Replacement or spare set to mount your Trijicon RMR optic to a #2 optic mounting plate.Now: $1.75Was: $1.95 -
On Sale
M-LOK Vertical Foregrip - Long
HKP HK Parts
Now: $19.96Was: $24.95HKP Universal M-LOK Long Grip This grip is by far the nicest grip we have encountered for the money. This rock solid grip is a must have for anyone that uses a vertical grip. This is the only vertical grip out there that offers a built in aluminum...Now: $19.96Was: $24.95 -
On Sale
HK MP5, HK94 Spring - Firing Pin - Enhanced
HKP HK Parts
Now: $3.96Was: $4.95MP5 & HK94 Firing Pin Spring - Enhanced The "Enhanced" firing pin spring was analyzed and engineered from scratch with the latest in performance spring technology and an emphasis on reducing stress on the spring and increasing cycle life by 500%...Now: $3.96Was: $4.95 -
Out Of StockOn Sale
HK USPC, P2000 Magazine Floorplate - 9mm - 13 Round - Flat
H&K Heckler & Koch
Now: $20.66Was: $22.95H&K HK USPC/P2000 9mm Magazine Flat Floor Plate USPC 9mm 13 round flat floor plate for the 9mm UPSC and P2000 magazine. This is a Heckler and Koch genuine part. Perfect for concealed carry or for a lower profile Compatible With: HK USP Compact 9mm...Now: $20.66Was: $22.95 -
On Sale
HK CC9 Magazine - 9mm - 12 Round - Extended Floorplate - Red Follower
H&K Heckler & Koch
Now: $44.96Was: $49.95H&K HK CC9 12 Round Magazine - Extended Floor PlateNow: $44.96Was: $49.95 -
Out Of StockOn Sale
HKP 30 Round HK VP9/P30 Complete 9mm Magazine
HKP HK Parts
Now: $31.96Was: $67.95HKP 30 Round HK VP9/P30 Complete 9mm Magazine New HK German VP9/P30 Magazine body combo; pre-installed along with the HK Parts 30 round mag extension kit fully installed. Each offering is a complete, fully assembled, ready for the range 30 round 9mm...Now: $31.96Was: $67.95 -
On Sale
HK VP, P30 Magazine Floorplate - 9mm / .40 S&W - 10 Round
H&K Heckler & Koch
Now: $8.05Was: $8.95HK VP9, VP9SK, VP40, P30, P30L & P30SK Rubberized Floor Plate HK German rubberized factory floor plate. Compatible With: VP9 VP40 P30, P30L, P30S P30SK 10 round mags VP9SK 10 round mags Please Note: This will not work or fit on 10-round VP9,...Now: $8.05Was: $8.95 -
On Sale
HK91, G3 Pin - Axle - Cocking Handle
H&K Heckler & Koch
Now: $8.96Was: $9.95New HK German G3, 91, 21, & PTR Cocking Handle Axle Pin This is a new HK factory part for the .308 HK rifle. This part is the axle pin that holds the cocking handle in place on the cocking tube support. Will also work perfect for all HK93, HK53, HK33...Now: $8.96Was: $9.95 -
Out Of StockOn Sale
HK VP9, P30 Thread Protector - 13.5x1 - LH
H&K Heckler & Koch
Now: $35.96Was: $39.95H&K 9mm Thread Protector - Threaded 13.5x1 LH This German HK manufactured 9mm tactical threaded barrel protector fits all HK 9mm threaded barrels that are 13.5x1 metric LH twist. Specifications: Overall Length .45" Outside Diameter ...Now: $35.96Was: $39.95 -
On Sale
HK MP5SD Rubber Handguard
HKP HK Parts
Now: $135.96Was: $169.95HK MP5SD Rubber Handguard Made in the USAFits: MP5SD 9mm, MP5SD .40, MP5SD 10mm Counts as 1 US made 922r compliant part. These are only compatible with the HK Parts shroud. If you have a German Shroud you will want to get the German Handguard. HKP-00136Now: $135.96Was: $169.95 -
On Sale
UZI Recoil Spring
IMI
Now: $13.46Was: $14.95Uzi Recoil Spring Assembly Uzi factory IMI bolt carrier spring assembly complete. In perfect working order. Pulled from exc condition demilled Uzi firearms.Now: $13.46Was: $14.95 -
On Sale
HK90 Series Roller for Bolt Head 8.00mm - Standard
H&K Heckler & Koch
Now: $25.16Was: $27.95H&K Roller For Bolt Head 8.00mm - Standard The 8mm roller is the proper roller size for the standard "zero" function. The correct 8mm roller is essential for proper head spacing and bolt gap. New HK German, not surplus or used goods, that are worn...Now: $25.16Was: $27.95