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 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
6.5mm Titanium Full Port Muzzle Brake - 5/8x24 "
Tactical Precision MFG
Now: $46.95Was: $89.99TPM 6.5mm Titanium Full Port Muzzle Brake - Threaded 5/8x24 This lightweight titanium muzzle brake is designed by a master gunsmith and is one of the best on the market. The spiral port outlets along with the parabolic internal taper significantly...HKP-20767Now: $46.95Was: $89.99 -
HK SP5, AR, M4 Adapter - Stock or Brace
HKP HK Parts
$99.95AR, M4 Brace/Stock Adapter - HK SP5 This is the finest AR stock adapter available period. No other adapter compliments the lines of the HK 9X series better than the HK Parts AR adapter. A great way to add a stock or pistol brace to any HK SP5. Easy...HKP-20748$99.95 -
Out Of Stock
HK VP Series F3 Trigger - Full Flat Face - Safety Tab Kit - Red
Lazy Wolf
$19.95F3 Full Flat Face VP Series Trigger Tab, Spring Set from Lazy Wolf Guns - Red Replacement trigger safety tab, spring, and roll pin kit as pictured for the HK VP9 series of LWG triggers. Ideal if you need a replacement LWG trigger safety tab, spring and...HKP-20096$19.95 -
MI Side Folder with Lightweight Stock
MI Midwest Industries
$180.95MI Side Folder with Light Weight Stock Features: Made in the USA Heavy-duty side-folding mechanism constructed from 4140 steel Full-length locking lug for maximum strength Solid positive lock up in both positions Steel clamp with large surface...HKP-20065$180.95 -
Out Of Stock
HK P2000,P2000SK HK09 Night Sight Set
Trijicon
$139.95Trijicon HK P2000/P2000SK HK09 Night Sight Set Trijicon Bright & Tough Night Sights are 3 dot iron sights that increase night-fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so with the same...HKP-01612$139.95 -
Out Of Stock
HK G36, SL8 Handguard With Heat Shield
H&K Heckler & Koch
$115.99HK G36 & SL8 Forearm With Heat Shield New HK German G36 & HK SL8 handguard with heat shield & bipod attachment & sling loop point. A drop in part for your HK G36 or SL8 rifle.HKP-00271$115.99 -
HK MP5K - LS5 Complete Trigger Group - Semi /Shelf
Lee Sporting
$549.95Lee Sporting LS5 Complete Trigger Group - MP5K Ergonomic upgrade to OEM grip. 4.3oz lighter than OEM trigger group. Housing made from MJF PA11 Nylon. Bespoke ejector lever CNC cut from 4140. Compatible With: HK PTR Dakota Tactical Other clones that...HKP-20466$549.95 -
HK MP5, MP5K, SP89, HK94 Trigger Pack - SEF Semi - 9mm - Enhanced 5 to 6 lb Trigger Pull
HKP HK Parts
$439.95HKP 9mm SEF Semi Trigger Pack - ENHANCED 5-6 LBS Trigger Pull These trigger packs start as a F/A pack and gets professionally converted to the BATFE specs so you can rest assured the trigger pack is done correctly and to spec. These refinished trigger...HKP-20312$439.95 -
HK G36, SL8 Red Dot Kit For Dual Optic
H&K Heckler & Koch
$899.95HK G36, SL8 Red Dot - Brand new HK German OEM Factory HK G36/SL8 top red dot. brand new with factory battery installed. This can be used to replace worn or broke dual optics as well as it could be made to fit as a stand alone optic with a little...HKP-19552$899.95 -
Navy Style - SEF - Trigger Group - HK SP5 - Clipped & Pinned
H&K Heckler & Koch
$579.95Navy Style - SEF - Clipped & Pinned Trigger Group - HK SP5 Ready to drop on your SP5 receiver. Great replacement for the 2 position ambidextrous trigger group. Each trigger group is comprised of genuine Heckler & Koch Products. Includes a match...HKP-19319$579.95 -
On Sale
HK VP9 Holster - Nano IWB
Blade-Tech
Now: $29.21Was: $59.95Blade-Tech HK VP9 Nano IWB Holster The Nano IWB holster is one of the most popular concealment holsters. It is ultra-thin, being constructed of the same tough materials we use on all our Classic handmade, custom and semi-custom holsters. It is made from...HKP-16933-MNow: $29.21Was: $59.95