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
-
M-LOK Sling Swivel Mount - Quick Detach
AIM
$24.99M-LOK Quick Detach Sling Swivel Mount The Aim M-LOK® QD Sling Mount stud with QD swivel provides a front attachment point for your push button QD sling or sling with just strap. Includes: All necessary mounting hardware and wrenches Features: High...HKP-18589$24.99 -
HK MP5, HK33, HK53, HK93, Stock or Brace Adapter - AR15 - QD Sling Point
HKP HK Parts
$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-18788$159.95 -
HK P30 EDC Magwell - Ultra Low Profile
HKP HK Parts
$59.95HKP HK P30 EDC Magwell - Ultra Low Profile The smallest and most streamlined EDC magwell for the HK P30, now featuring a fully functional funnel designed for rapid, seamless reloads. Crafted from durable aluminum and treated with type 3 hard coat...HKP-22189-M$59.95 -
HK MR556 A4 Gas Block - Complete
H&K Heckler & Koch
$237.95H&K HK MR556 A4 Gas Block - Complete Factory HK MR556 A4 adjustable gas block ideal for switching between suppressed and unsuppressed firing. Compatible With: HK MR556 A4 Nefarious Arms A5 barrels NOT compatible with MR556 A1 without...HKP-21928$237.95 -
Out Of Stock
HK USP Conversion Barrel - .40 S&W to 9mm - Threaded - 1/2x28
RCM
$214.95RCM HK USP .40 to 9mm Conversion Barrel - Threaded - 1/2x28 This 9mm conversion barrel is a drop-in replacement that allows your USP to shoot the popular 9mm cartridge. It has the standard 1/2x28 thread and comes with a thread protector...HKP-21787$214.95 -
B&T Blast Deflector - A2 NATO Interface
B&T Brugger & Thomet
$300.00B&T Blast Deflector - A2 NATO Interface This blast deflector is designed for NATO style A2 ("birdcage") flash hiders. Offering a universal fit for 5.56 rifles featuring the standard A2 flash hider. It directs muzzle blast forward, preventing...HKP-21777$300.00 -
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 -
HK MP5 Optic Mount, Aimpoint ACRO - .22 LR
HKP HK Parts
$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-21236$98.95 -
On Sale
HK MP5, SP5 Binary Trigger Group - SEF Navy - BFSIII - 9mm
FA Franklin Armory
Now: $999.95Was: $1,299.95Franklin Armory HK MP5 - BFSIII HK-C1 – Binary Trigger Group – SEF – Contoured Complete Franklin Armory BFSIII HK-C1 binary trigger pack assembly configured in a 3-position pictogram contoured housing for HK MP5 and SP5 push-pin...HKP-20004-MNow: $999.95Was: $1,299.95 -
HK UMP Magazine - .40 S&W - 30 Round - LEO Marked
H&K Heckler & Koch
$99.9530 Round Magazine - LEO Marked - New - UMP .40 S/W This magazine will fit all HK UMP .40 Caliber UMP's as well as the USC-UMP .40 caliber conversions. New factory fresh production HK magazine. The perfect option for those that like to collect LEO marked...HKP-20664$99.95 -
HK Single Point Leather Sling - Black
HKP HK Parts
$49.95Single Point Leather Sling - Black Our leather sling utilizes two HK style sling hooks to attach to a single mounting point. Designed to replicate the original, out of production, German HK offering. Each sling is handcrafted in the US by a German...HKP-20151$49.95 -
HK VP9, OR International Holster - Button Comp Carry
Comp-Tac
$79.95Comp-Tac HK VP9/OR International Button Comp Carry Holster At last a custom made Comp-Tac International OWB holster for your HK pistol that allows you to have the Rail Mount Compensator, Comp Weight, or Match Weight installed. Manufactured by the best...HKP-20053-M$79.95