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 VP Series F3 Trigger - Full Flat Face - 9mm / .40 S&W
Lazy Wolf
$129.95Lazy Wolf's F3 Full Flat Face Trigger for the extensive HK VP Series - Black In a collaboration with Lazy Wolf Guns, HK Parts is offering aftermarket triggers for your HK VP9 and VP40 handguns. The drop in VP9 series trigger is the best trigger ever...HKP-17988$129.95 -
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...HKP-21639$64.95 -
HK MP5, MP5K, G3, HK93 Mag Release - Paddle Style - Extended - EMR
HKP HK Parts
$44.95HKP Paddle Style Extended Mag Release - EMR A great addition to any paddle style mag release, such as those found on an HK. The extended mag release is machined from a solid billet of aircraft grade aluminum and hard anodized aluminum for a lightweight...HKP-17079$44.95 -
HK MP5, HK94 Firing Pin Spring - 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%...HKP-02321$4.95 -
Out Of Stock
HK MP5, HK90 Series Forearm Sling Pin - Quick Detach Attachment
HKP HK Parts
$37.95HKP Quick Detach Sling Attachment Sling Pin - Small The small push pin is used to retain the forearm to the receiver on the HK90 series of firearms. The QD sling pin is a great replacement item as it will allow the user to simply swap the push pin for...HKP-18071$37.95 -
Out Of Stock
HKP 30 Round HK VP9/P30 Complete 9mm Magazine
HKP HK Parts
$72.95HKP 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...HKP-17172$72.95 -
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.HKP-20035$1.95 -
HK MP5K, SP89, SP5K Folding Stock - 9mm - HK Marked
H&K Heckler & Koch
$399.95HK Marked MP5K, SP5K, SP89 & MP5K-N, PDW Folding Stock This is the original "HK" logo marked HK factory stock, found on all HK German MP5K's or PDW's. Each stock is marked HK and uses the HK German backplate/buffer factory assembly. Overall Length is...HKP-00391$399.95 -
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...HKP-01122$22.95 -
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 modelsHKP-00309-M$49.00 -
HK MP5K Vertical Grip - VFG M-LOK
HKP HK Parts
$49.95HKP HK MP5K Vertical Grip VFG M-LOK Our VFG for the MP5K platform is now M-LOK compatible. The perfect combination to install lights or lasers. M-LOK slots are integrated on both sides to make it a true ambidextrous vertical grip. Made in the USA...HKP-20737-M$49.95 -
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.HKP-19918$14.95