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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Out Of Stock
HK CC9 Optic Cover Plate - Optic Ready
H&K Heckler & Koch
$51.95H&K CC9 Optic Ready Cover Plate German-manufactured cover plate for the optic cut on the H&K CC9 pistol. Installed when an optic is not mounted. Compatible With: HK CC9HKP-22141$51.95 -
Out Of Stock
HK CC9 Ejector
H&K Heckler & Koch
$5.95H&K CC9 Ejector Made by H&K, this ejector for the CC9 pistol directs spent casings out of the ejection port during cycling. Compatible With: HK CC9HKP-22114$5.95 -
HK91, G3 Slimline Handguard - Jungle Green - New Old Stock
H&K Heckler & Koch
$39.95H&K 91/G3 (7.62x51/.308) Slimline Forearm - Jungle Green - New Old Stock These are a nice addition to the collection. Compatible With: All full forearm length HK 91, G3, PTR style firearmsHKP-22102$39.95 -
On Sale
HK416 Catch - Bolt Hold Open
USA
Now: $19.95Was: $39.95HK 416 Bolt Hold Open Catch US-made bolt hold open catch for the HK 416. Compatible With: HK 416 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99101Now: $19.95Was: $39.95 -
On Sale
HKP HK P30 Gen 1 Rail Mount Compensator - Blue - Non-Threaded - BLEMISHED
HKP HK Parts
Now: $93.95Was: $189.95HKP HK P30 Gen 1 Rail Mount Compensator - Blue - Non-Threaded - BLEMISHED DOES NOT INCLUDE ALLEN WRENCH 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...HKP-99083Now: $93.95Was: $189.95 -
HK/HKP 14 Round HK VP9SK Complete Magazine
HKP HK Parts / Heckler & Koch
$69.95H&K/HKP 14 Round HK VP9SK Complete Magazine HK Parts modifies an existing 12 round magazine with a +2 extension to create a fully functional 14 round magazine. Specifications: 4-1/2" overall length Compatible With: HK VP9SKHKP-21864$69.95 -
On Sale
HK MP5 Cocking Tube - Extrusion - 8" - Gunsmith Special
USA
Now: $19.95Was: $54.95HK MP5 8" Cocking Tube Extrusion - Gunsmith Special This 8" cocking tube extrusion is ideal for custom HK-style firearm builds, repairs, or refurbishments, providing a solid foundation for restoring or fabricating cocking tubes on HK MP5, G3, and...HKP-99061Now: $19.95Was: $54.95 -
On Sale
HK MP5SD Cocking Tube - Gunsmith Special
USA
Now: $29.95Was: $74.95HK MP5SD Cocking Tube - Gunsmith Special The MP5SD cocking tube is a crucial part of the firearm's operating system, designed to house the cocking handle assembly. This unit has been de-milled to allow clearance for the integrated suppressor...HKP-99059Now: $29.95Was: $74.95 -
B&T APC Stock - Folding - MBT
B&T Brugger & Thomet
$365.00B&T MBT Folding Stock for APC (Stock Only, No Hydraulic Buffer) Features: 8 position length adjustment Telescoping cheek riser w/ 3 position height adjustment Folds to the right canted downward 3.5 degrees Locks folded Fires folded Steel QD...HKP-21738$365.00 -
HK VP9 Optic Plate #1 - Meopta, Eotech, Noblex - Red Dot Pistol Mount
HKP HK Parts
$49.95HKP Mounting Plate #1 - Noblex/Meopta/EOTech - HK VP9, VP9L OR Models Each plate is CNC machined from a solid billet of ordnance grade aluminum, tumbled, and cerakoted for the ultimate in durability and finish. Includes 2 T20 steel torx plus mounting...HKP-21595$49.95 -
HK MP5, MP5K, G3 Night Sights
XS Sights
$159.95Trijicon Bright & Tough - Night Sights - H&K SP89, Carbines, Rifles Trijicon bright & tough night sights are three-dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Housed in a metal...HKP-20325$159.95 -
Out Of Stock
HK VP Series Curved Trigger Safety Tab Kit - Red
Lazy Wolf
$19.95C1 - Curved VP Series Trigger Tab, Spring Set - Lazy Wolf Guns - Red Replacement trigger safety tab, spring, and roll pin kit as pictured for the HK VP9 series of LWG triggers. Ideal if you need a replacement LWG trigger safety tab, spring and roll pin...HKP-20088$19.95