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
Century Arms AP5-P, AP5-M Handguard with Handstop
MKE
Now: $31.46Was: $34.95MKE AP5-P/M Handguard with Hand Stop MKE handguard for the MKE manufactured Century AP5-P and AP5-M. Please note: Will fit other MP5K style receivers with some slight fitting.HKP-22221Now: $31.46Was: $34.95 -
Out Of Stock
HK MP5K Recoil Rod Assembly - 9mm
RCM
$54.95RCM HK MP5K Recoil Rod Assembly The recoil rod and spring assembly is a great item to have on hand for replacement and spares as this is a consumable part. Compatible With: HK MP5KHKP-22203$54.95 -
On Sale
HK CC9 Extended Base Plate
HKP HK Parts
Now: $28.66Was: $44.95HKP CC9 Extended Base Plate This +0 base plate gives your CC9 magazine the extended look and enhanced grip of a full-capacity mag without adding any rounds. Perfect for restrictive states or anyone...HKP-22167-MNow: $28.66Was: $44.95 -
On Sale
HK VP9SK Magazine, Complete - 14 Round
HKP HK Parts / Heckler & Koch
Now: $62.96Was: $69.95HK Parts and Heckler and Koch 14 Round Complete Magazine for HK VP9SK HK Parts modifies an existing 12 round magazine with a +2 extension to create a fully functional 14 round magazine...HKP-21864Now: $62.96Was: $69.95 -
HKP Mouse Pad, Mini-Mat - Bundesadler
HKP HK Parts
$12.99HKP Mouse Pad - Bundesadler - Non-Slip Features stitched edges and a non-slip rubber base. Great as a mouse pad or a mini gun mat. Specifications:HKP-21846$12.99 -
On Sale
HK MP5K Pistol Stabilizing Brace - SBA5
SB Tactical
Now: $224.06Was: $248.95SB Tactical HK MP5K SBA5 Pistol Stabilizing Brace SB Tactical combined with our MP5K end cap creates a true drop-in brace, perfect for those seeking the flexibility that the SBA5 pistol stabilizing...HKP-21795-MNow: $224.06Was: $248.95 -
On Sale
HK MP5 Stock - MOD2 - Strike Industries
HKP HK Parts / Strike Industries
Now: $83.78Was: $199.95Strike Industries HK MP5 Drop-In MOD2 Stock We pair our MP5 AR Stock adapter with this Strike MOD2 stock to give you a drop-in MP5 stock. Give your build a modern look and added comfort and...HKP-21331-MNow: $83.78Was: $199.95 -
On Sale
HK P2000 Magazine Extension Kit - +10
HKP HK Parts
Now: $41.43Was: $64.99HKP HK P2000 +10 Magazine Extension Kit HK Parts magazine extension adds 10 additional rounds to the HK P2000 magazine with the simple swap of the floor plate & high-reliability mag spring. HKP...HKP-20811Now: $41.43Was: $64.99 -
On Sale
HK SP5, AR, M4 Adapter - Stock or Brace
HKP HK Parts
Now: $63.72Was: $99.95AR, M4 Brace/Stock Adapter - HK SP5 This is the finest AR stock adapter available period. No other adapter compliments the lines of the HK 9X series better than the HK Parts AR adapter. A great way...HKP-20748Now: $63.72Was: $99.95 -
Out Of Stock
HK416, MR556 Firing Pin - Silver
GSG9
$34.95Firing Pin for HK416 and MR556 Firearm - USA - GSG9 US made HK416 and MR556 Made from hardened stainless steel. Compatible With: HK416 HK MR556HKP-20650$34.95 -
On Sale
MI Side Folder with Lightweight Stock
MI Midwest Industries
Now: $126.67Was: $180.95MI Side Folder with Light Weight Stock Features: Made in the USA Heavy-duty side-folding mechanism constHKP-20065Now: $126.67Was: $180.95 -
On Sale
Picatinny T1 Optic Mount - Absolute Co Witness - Quick Release
AIM
Now: $35.06Was: $38.95AimSports - T1 Quick Release Mount - Absolute Co-Witness Features a machined recoil lug and steel hardware to prevent wear between mounting surfaces. Utilizing a quick release base, the generously...HKP-19336Now: $35.06Was: $38.95