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
HK MP5 Locking Piece #25 - 60 Degree - High Impulse - .40 S&W, 10mm - USA
RCM
Now: $37.95Was: $44.95MP5 40 & MP5 10mm High Impulse Locking Piece Marked #25 Made in the US from an enhanced material and heat treated to factory specifications. Each US-made MP5 40/10 60-Degree Locking Piece is used for high-impulse ammo commonly found in...HKP-15149Now: $37.95Was: $44.95 -
On Sale
HK MP5, HK33, HK53, HK93, Stock or Brace Adapter - AR15 - QD Sling Point
HKP HK Parts
Now: $127.95Was: $159.95HKP MP5, 93/53/33, AR Brace/Stock Adapter - QD Sling Attachment Point Each AR-15 stock/brace adapter is made from a solid billet of CNC machined aircraft grade aluminum with QD sling attachment points. Properly buffered with factory correct "H" buffer...HKP-18788Now: $127.95Was: $159.95 -
On Sale
Ambi Trigger Pack - Semi Auto 0,1 - 9mm - Flat Trigger - US Made 922r Parts
HKP HK Parts
Now: $279.95Was: $349.95Ambidextrius Trigger Pack with Flat Trigger For MP5, HK94 - 4 US 922R Compliant Parts HK MP5/94 9mm Semi Auto Trigger Pack complete with Flat Trigger installed. Assembled and ready install on your firearm. The components that count towards 4 of...HKP-18512Now: $279.95Was: $349.95 -
On Sale
HK MP5, MP5K Optic Mount - 9mm - Raised - Picatinny
MI Midwest Industries
Now: $101.95Was: $119.95Midwest Industries HK MP5, MP5K Tall Optic Mount - 1913 Picatinny Rail Tall, clamp-on optic mount for HK MP5 and MP5K pattern firearms, giving a higher, more upright sightline while still allowing use of the factory diopter sights. Ideal for mounting...HKP-22397Now: $101.95Was: $119.95 -
Century Arms AP51 Fixed Stock - Cerakoted - Enhanced Buffer
HKP HK Parts / Heckler & Koch
$199.95H&K/HKP Century AP51 Fixed Stock - Cerakoted - Enhanced Buffer Each stock starts life as an excellent condition surplus stock. The stocks are then refinished and the recoil rod modified to work specifically with the AP51. Available...HKP-22183-M$199.95 -
Out Of Stock
HK416, MR556, MR762 Snap Hook Adapter for Slimline Buttstocks - Ambi
H&K Heckler & Koch
$177.95H&K MR556/MR762 Ambi Slimline Buttstock Snap Hook Adapter Genuine H&K snap hook adapter designed to provide ambidextrous sling attachment points for MR556 and MR762 slimline buttstocks. Compatible With: HK416, MR556, MR223 slimline...HKP-22100$177.95 -
Out Of Stock
HKP Bench Mat - Bundesadler
HKP HK Parts
$24.95HKP Bench Mat - Bundesadler The HK Parts bench mat is the perfect cleaning & repair mat designed specifically for your Heckler & Koch. The soft top protects your gun from scratches while the rubber backing protects your work surface from...HKP-21845$24.95 -
HK417, MR762 QD End Plate - Flush Cup
H&K Heckler & Koch
$174.95H&K HK MR762/417 Flush Cup QD End Plate Factory HK flush end cap with dual QD sockets for ambidextrious sling attachment. Compatible With: HK MR762 HK 417HKP-21642$174.95 -
On Sale
HK MP5 Optic Mount, Aimpoint ACRO - .22 LR
HKP HK Parts
Now: $78.95Was: $98.95HKP - HK MP5 .22LR Optic Mount - ACRO HK Parts now brings you one of the most requested optic mount for the MP5/MP5K platform. Low-profile mount with a direct Aimpoint ACRO mounting interface. The smallest mount in the market with a sleek and clean...HKP-21236Now: $78.95Was: $98.95 -
HK P2000 Magazine - 23 Round
HKP HK Parts / Heckler & Koch
$99.95H&K / HKP – 23 Round HK P2000 Magazine HK P2000 +10 magazine extension coupled with a new full-size HK P2000, 13 round magazine. Each unit is then fully assembled as an 23 round HK P2000 magazine. Ideal for competitive shooters and for...HKP-20801$99.95 -
HK VP9 Optic Plate #3 - C-More STS2 - Red Dot Pistol Mount
H&K Heckler & Koch
$51.95Optics Plate #3 C-More STS2 - HK VP9, VP9L OR, VP9SK OR Steel HK OEM optics plate for mounting C-More STS2 optics. Compatible With: HK VP9 OR, VP9 Tactical OR HK VP9L OR HK VP9 Match OR HK VP9SK OR HK VP9A1 K HK VP9A1 F HK VP9A1 X **Compatible with...HKP-19254$51.95 -
HK G36K Handguard
H&K Heckler & Koch
$139.95HK G36K Forearm With Hand Stop & Heat Shield- German HK New HK German latest production HK G36K forearm that has the hand stop and heat shield installed. Also a popular forearm choice for those doing the SL8 to G36 conversions. Has the mounting...HKP-00617$139.95