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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Out Of Stock
HK P30SK, P2000SK Tactical Barrel - 9mm - 3.89" - Threaded 1/2x28 RH
RCM
$225.00RCM HK P30SK & HK P2000SK 9mm Tactical Barrel - Threaded 1/2x28 RH Each HK P2000SK and P30SK tactical barrel is meticulously crafted from ordnance grade steel, heat treated, and finished with a...HKP-19306$225.00 -
On Sale
Tri Illuminated Scope with Fiber Optic Sight
AIM
Now: $98.96Was: $109.954X32 TRI ILLUMINATED SCOPE W/FIBER OPTIC SIGHT ARROW PLX RETICLE 4X32 TRI ILLUMINATED SCOPE W/FIBER OPTIC SIGHT MIL-DOT RETICLEHKP-19534Now: $98.96Was: $109.95 -
On Sale
HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED
MKE
Now: $26.21Was: $49.95HK MP5, MKE AP5 Trigger Housing - 9mm - Contoured - 0,1 - BLEMISHED COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES...HKP-99395Now: $26.21Was: $49.95 -
HK MP5K Apparel - Hats, Patches, and Shirts - V2
HKP HK Parts
$0.00HKP HK MP5K Apparel and Patch Collection - Version 2 Represent your platform with the HK Parts K Series apparel and accessories lineup. Built for enthusiasts who appreciate iconic firearms and clean,...HKP-22455-M$0.00 -
HK CC9 Magazine - 9mm - 10 Round - Flat Floorplate
H&K Heckler & Koch
$49.95H&K HK CC9 10 Round Magazine - Flat Floor PlateHKP-21570$49.95 -
HK 91, G3 Slimline Handguard - OD Green - LIKE NEW
H&K Heckler & Koch
$24.95HK Heckler and Koch Like New Slimline Forearm in OD Green for HK91 and HK G3 Like new German military surplus O.D. green slimline forearm with heat shield. For use on standard contour barrels not the...HKP-21477$24.95 -
HK VP9 Match Barrel - 9mm - Threaded 1/2x28
RCM
$262.50RCM HK VP9 Match 9mm Barrel with Thread Protector - Threaded 1/2x28 Precision replacement barrel produced by RCM for the HK VP9 Match pistol. This barrel features a threaded muzzle for suppressors or...HKP-21069$262.50 -
On Sale
Sig Sauer P365 Stand Off Device
HKP HK Parts
Now: $37.46Was: $119.95HKP SIG P365 Stand Off Device The HK Parts P365 standoff is designed to keep the slide in battery to allow discharge when the firearm is pressed against or comes into contact with an object. It is an...HKP-19284Now: $37.46Was: $119.95 -
On Sale
HK UMP, B&T APC Side Folding Pistol Stabilizing Brace
SB Tactical
Now: $61.84Was: $74.95SB Tactical HK UMP Side Folding Pistol Stabilizing Brace A skeletonized version of the SBT Pistol Stabilizing Brace, the SBTi enhances your B&T APC or HK UMP with an integral, side-folding mechanism...HKP-19133Now: $61.84Was: $74.95 -
Out Of Stock
HK G36, SL8 Ambidextrous Sling Pin
H&K Heckler & Koch
$49.95HK German G36/SL8 Ambidextrous Sling Pin This part replaces all of the HK SL8 or G36 push pins with a loop for the sling. This can be moved to attach a sling on either the left or right sides with...HKP-00619$49.95 -
On Sale
HK MP5, HK90 Series Front Night Sight - Standard Dot - Tritium
XS Sights
Now: $83.66Was: $92.95XS Sights Tritium Night Sight - Standard Dot Standard Dot front sights use a patent-pending glow dot that absorbs light and glows in low light levels before it is dark enough to see the tritium...HKP-19602Now: $83.66Was: $92.95 -
Magpul MS3 Sling - Gen 2
Magpul
$49.95Magpul MS3 Sling - Gen 2 Magpul Industries MS3- Multi Mission Sling System Sling Black AR Rifles 1 or 2 Point Sling.HKP-13727$49.95