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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HK USP, P30, VP9 Magazine Spring - 30 and 32 Round Mags
H&K Heckler & Koch
$9.95Heckler and Koch 30, 32 Round Magazine Spring for HK USP, HK P30, HK VP9 HK German manufacture new production HK USP 9mm 32 round magazine spring. A super rare and hard to find part for the USP 9mm...HKP-16407$9.95 -
Out Of Stock
HK416, MR556, HK417, MR762 Storage Cap - Pistol Grip
H&K Heckler & Koch
$29.95H&K HK MR556/416/MR762 Battle Grip Storage Cap This part is the replacement grip plug for the bottom of the HK battle grip. Compatible With:HKP-15251$29.95 -
HK91, G3 Optic Mount - Low Profile - Short Version
B&T Brugger & Thomet
$144.95B&T Mounting Rail NAR Low Profile Mount For HK G3, 91, PTR, Short Version Compatible With: HK G3 HK91 PTR91HKP-16869$144.95 -
Out Of Stock
HK MP5, MP5K, HK33, HK53, HK93 Optic Mount - Raised - Aimpoint ACRO P-2
HKP HK Parts / Aimpoint
$708.95HK MP5 Aimpoint ACRO P-2 with HKP Raised Optic Mount The HKP Raised optic mount was designed to elevate the ACRO P-2 sight to a height that is both comfortable and easy to view, while retaining an...HKP-21895-M$708.95 -
Out Of Stock
HK21 FMP Complete Build Kit- Non Matching Numbers
FMP HK CONTRACT
$3,124.97HK21 Complete Build Kit- Non Matching Numbers HK Parts brings you another exhaustive parts kit. Our HK21 parts kit includes everything you need to resurrect an iconic classic and hit the range for...HKP-21626$3,124.97 -
HK SP5 Trigger Housing - Navy 4 Position 0,1,3,F Pictogram - 9mm
H&K Heckler & Koch
$525.95 - $535.95Heckler and Koch SP5 9mm 4 Position 0,1,3,F Pictogram Navy Style Trigger Housing The Navy-style trigger housing is the perfect addition to your HK SP5 9mm firearm. Designed for easy drop-in...HKP-19231-M$525.95 - $535.95 -
HK VP9SK, P30SK Magazine - 10 Round- 9mm
H&K Heckler & Koch
$49.95H&K 10 Round HK VP9SK/P30SK 9mm Magazine New German HK manufacture 10 round 9mm P30SK/VP9SK magazine with standard flush fit floorplate. This magazine is the same for the VP9SK & P30SK. CompatibleHKP-17376$49.95 -
HK91, G3 Stock - AR15 Style - Complete Assembly
PTR
$274.95PTR HK 91/G3 (7.62x51/.308) AR15 Style Magpul Stock - Complete Assembly AR15/M16 retractable stock combo set up for use on an HK91, G3 & PTR91 style of rifles. This is a perfect compliment for those...HKP-15614$274.95 -
HK Leather Sling - Used
H&K Heckler & Koch
$49.95Original Surplus German HK Leather 2 point sling Comes with HK sling hook. Pulled from German military G3 rifles. Complete and in excellent shape overall. Made with leather straps and steel hardware...HKP-16316$49.95 -
AR-15 Stabilizing Brace - 5 Position Adjustable - SBA3
SB Tactical
$134.95SBA3 - 5 Position Adjustable Stabilizing Brace - AR15 Designed for all platforms capable of accepting a mil-spec carbine receiver extension, the SBA3 is a 5-position adjustable, dramatically...HKP-18646$134.95 -
HK MP5 Flat Front Sight - Gen 2 - Luminescent Green
Blitzkrieg Components
$87.95Blitzkrieg HK MP5 Flat Front Sight Gen 2 - LuminHKP-21102$87.95 -
HK MP5K, SP5K Rear Push Pin Weldment Set
USA
$14.95HK MP5K, SP5K Rear Push Pin Weldment Set This weldment set is the 2 pieces needed for the rear of the flat/receiver that holds the stock/brace or end cap in place. CNC machined from weldable steel...HKP-19632$14.95