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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
On Sale
Century Arms AP5-P, AP5-M Handguard with Handstop
MKE
Now: $27.95Was: $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. Compatible With: MKE/Century Arms AP5-P MKE/Century Arms...HKP-22221Now: $27.95Was: $34.95 -
HK416, MR556, HK417, MR762 Pistol Grip - Tool Included
H&K Heckler & Koch
$159.95HK Heckler and Koch's Pistol Grip with tool - Black Factory German pistol grip in black. Compatible With: HK416, MR556 HK417, MR762 M27 G28 AR-15, M4, & M16 PlatformsHKP-22208$159.95 -
HK CC9 Magazine Locking Plate - 10 Round
H&K Heckler & Koch
$5.95H&K CC9 Magazine Locking Plate - 10 Round Locking plate for H&K CC9 10-round magazines. Secures the floor plate and internal components to the magazine body. Genuine H&K part. Compatible With: HK CC9HKP-22149$5.95 -
HK CC9 Magazine Release Button
H&K Heckler & Koch
$19.95Heckler and Koch Magazine Release Button for HK CC9 Made in Germany, this magazine release button for CC9 pistol allows the user to release the magazine from the frame. Compatible With: CC9HKP-22111$19.95 -
HK VP9SK Magazine, Complete - 14 Round
HKP HK Parts / Heckler & Koch
$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. Specifications: 4-1/2" overall length Compatible With: VP9SKHKP-21864$69.95 -
On Sale
HK MP5K Pistol Stabilizing Brace - SBA5
SB Tactical
Now: $189.95Was: $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 brace offers. With a 5-position adjustable length, this...HKP-21795-MNow: $189.95Was: $248.95 -
On Sale
HK MP5, VP9 Reflex Sight HE-507K - Green
Holosun
Now: $300.95Was: $354.95Holosun HK VP9 SCS-MOS Reflex Sight The HE507K-GR X2 is an open reflex optical sight designed for subcompact pistol applications. Lock Mode, when activated, locks the buttons preventing inadvertent setting changes. Additional features include...HKP-21677Now: $300.95Was: $354.95 -
On Sale
B&T APC9 Magazine Plate
B&T Brugger & Thomet
Now: $4.95Was: $6.00B&T APC9 Magazine Plate B&T replacement magazine plate for the APC9 platform.HKP-21755Now: $4.95Was: $6.00 -
Out Of Stock
TP9, MP9, APC9, SPC9, GHM9, KH9 Magazine Loader - 9mm
B&T Brugger & Thomet
$40.00B&T Magazine Loader - 9mm B&T's factory 9mm magazine loader is compatibly ONLY with B&T factory 9mm magazines. Compatible With: B&T TP9 B&T MP9 B&T APC9 B&T SPC9 B&T GHM9 B&T KH9HKP-21716$40.00 -
On Sale
HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED
H&K Heckler & Koch
Now: $2.96Was: $5.95HK MP5SF Bushing Sleeve - Elbow Spring with roller - USED VARYING CONDITION SHOWN - SOLD INDIVIDUALLY USED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. Features: Precision-machined elbow spring...HKP-03330-USEDNow: $2.96Was: $5.95 -
On Sale
HK UMP Flash Hider - Birdcage Style - 5/8x24
HKP HK Parts
Now: $39.95Was: $49.95HKP HK UMP Flash Hider - Birdcage Style - 5/8x24 We are pleased to present the HKP UMP birdcage flash hider, designed specifically for our UMP 45 parts kit. This exceptional accessory not only protects exposed threads but also enhances the overall...HKP-21579Now: $39.95Was: $49.95 -
On Sale
HK G36, HK33 Muzzle Device- RRD-360 - Threaded 15x1
JMAC Customs
Now: $77.95Was: $99.95JMAC 5.56 / .223 Muzzle Device Threaded 15x1 for HK G36 and HK33 The RRD-360 Muzzle Device from JMAC Customs is unlike others on the market today. This device vents gasses 360 degrees away from your muzzle requiring less effort from the...HKP-21258Now: $77.95Was: $99.95