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
HK45, HK45 Tactical Magazine Extension Kit - 20 Round - Black
HKP HK Parts
Now: $35.96Was: $39.95HKP 20-Round Magazine Extension Kit for HK45 and HK45 Tactical Pistols Updated HKP magazine extension kit for HK45 and HK45 Tactical pistols. This kit converts a 10-round HK45 magazine to a 20-round...HKP-17557Now: $35.96Was: $39.95 -
HK VP9SK Grip Panel Left Side - Medium - Gray
H&K Heckler & Koch
$19.95H&K VP9SK Left Side Grip Panel - Medium - Gray New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible WiHKP-18586$19.95 -
On Sale
HK VP9SK Holster - MTAC
Comp-Tac
Now: $50.97Was: $79.95Comp-Tac HK VP9SK MTAC Holster The MTAC is an inside the waistband (IWB) Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster...HKP-18342-MNow: $50.97Was: $79.95 -
On Sale
HK VP40 Holster - Infidel Max
Comp-Tac
Now: $39.35Was: $69.95Comp-Tac HK VP40 Infidel Max Holster The Infidel Max Holster is an all-Kydex Inside the Waistband holster with cant adjustment holes to allow the user to change from a reverse cant, speed cant and...HKP-17472-MNow: $39.35Was: $69.95 -
On Sale
HK P30SK Grip Wrap for Medium Backstraps - Granulate
Talon Grip
Now: $18.00Was: $19.99TALON Grip - H&K P30SK - 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...HKP-20238Now: $18.00Was: $19.99 -
HK USC Magazine - 5 Round - .45 ACP
H&K Heckler & Koch
$57.95HK Heckler and Koch 5 Round .45 ACP Magazine for HK USC This is the only magaHKP-20041$57.95 -
On Sale
HK MP5K Trigger Group, Complete - SF Semi Auto - 9mm
USA
Now: $286.84Was: $449.95H&K Heckler and Koch MP5K 9mm Semi Auto SF style Trigger Group Complete Each unit is composed of German HK & the finest US made HK Parts. This lower is ready to drop on your semi auto HK firearm...HKP-19936Now: $286.84Was: $449.95 -
On Sale
HK UMP Demilled Extended Rear Receiver Section
H&K Heckler & Koch
Now: $689.95Was: $999.95HK German Factory UMP Receiver Section - Extended Demilled factory HK UMP rear receiver section perfect for a USC-UMP conversion. With the folding stock attachment point intact right in front of the...HKP-19798Now: $689.95Was: $999.95 -
Out Of Stock
HK MP5, MP5K, SP5K Match Trigger Group - SEF - Contoured Style
H&K Heckler & Koch
$0.00Contoured Style - SEF - Match Trigger Group - HK SP5K Upgrade your SP5K with this top-quality SEF Contoured Style RH Match Trigger Group. Ready to drop on your SP5K receiver, it serves as an...HKP-19496$0.00 -
Out Of Stock
HK MP5K, SP5K, SP89 Vented Horizontal Handguard with Handstop
USA
$44.95MP5K, SP5K, SP89 - Vented Horizontal Forearm with Handstop Each forearm will fit the MP5K or SP89 style of firearms. As an added bonus this item counts as a US made part toward 922r compliance. Each...HKP-19471$44.95 -
Out Of StockOn Sale
HK G36 Dual Optic With Carrying Handle - Used
H&K Heckler & Koch
Now: $1,679.95Was: $2,099.95HK G36, SL8 Dual Optic - Used PD trade in'sFactory HK G36/SL8 dual optic in used condition. This is a one time offering as far as we will not be able to get them again!Fits all: G36 G36K G36C Sl8-1,...HKP-00744Now: $1,679.95Was: $2,099.95 -
HK MR762, MR556 Buttstock Release Lever Insert Spring
H&K Heckler & Koch
$9.99H&K HK MR762/MR556 Buttstock Release Lever Insert Spring Compatible With: HK MR556HKP-16611$9.99