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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HK CC9 Magazine - 9mm - 12 Round - Extended Floorplate - Red Follower
H&K Heckler & Koch
$49.95H&K HK CC9 12 Round Magazine - Extended Floor Plate$49.95 -
Replacement Screw Set for Red Dot Sight - RMR
USA
$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.$1.95 -
Out Of Stock
HK USP Magazine - Full Size - .40 S&W - 13 Round
H&K Heckler & Koch
$49.00HK German USP 40 Full-Size Magazine Compatible With: USP .40 Full Size USP .40 Tactical USP .40 Elite/Expert Please Note: The Magazine does not fit USP Compact or P2000 models$49.00 -
HK MP5, HK94 Spring - Firing Pin - Enhanced
HKP HK Parts
$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%...$4.95 -
Out Of Stock
HK USPC, P2000 Magazine Floorplate - 9mm - 13 Round - Flat
H&K Heckler & Koch
$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...$22.95 -
UZI Recoil Spring
IMI
$14.95Uzi Recoil Spring Assembly Uzi factory IMI bolt carrier spring assembly complete. In perfect working order. Pulled from exc condition demilled Uzi firearms.$14.95 -
HK VP, P30 Magazine Floorplate - 9mm / .40 S&W - 10 Round
H&K Heckler & Koch
$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,...$8.95 -
HK91, G3 Wide Handguard
AC-Unity
$64.95AC-Unity HK G3 Wide Handguard G3 length, black, wide handguard with bipod groove. Perfect fit for your HKG3, HK91, or PTR91 that takes standard G3 length handguards. Includes an inner heat shield to protect your hand. The outer design provides a...$64.95 -
Out Of StockOn Sale
HKP 30 Round HK VP9/P30 Complete 9mm Magazine
HKP HK Parts
Now: $39.95Was: $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: $39.95Was: $67.95 -
HK91, G3 Cocking Handle Axle Pin
H&K Heckler & Koch
$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 perfectly for all HK93, HK53,...$9.95 -
Out Of Stock
HK VP9, P30 Thread Protector - 13.5x1 - LH
H&K Heckler & Koch
$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 ...$39.95 -
HK MP5SD Rubber Handguard
HKP HK Parts
$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-00136$169.95