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 MP5 Barrel - 10mm - Threaded 9/16x24 with 3 Lug
RCM
$279.95RCM HK MP5 10mm Barrel - Threaded 9/16x24 Enhance the performance of your MP5 with the RCM HK MP5 10mm Barrel. This barrel is precision engineered for superior accuracy and durability. This barrel...HKP-21158$279.95 -
On Sale
HK MP5 Barrel - 10mm - Threaded 14x.75 with 3 Lug
RCM
Now: $251.96Was: $279.95RCM HK MP5 10mm Barrel - Threaded 14x.75 Enhance your MP5 with the RCM HK MP5 10mm Barrel, featuring precise 14x.75 threading. Expertly crafted for German MP5 models, this barrel ensures superior...HKP-21156Now: $251.96Was: $279.95 -
Out Of Stock
HK UMP Magazine - .40 ACP - 30 Round - LEO Marked
H&K Heckler & Koch
$99.95Rare Surplus 30 Round Magazine - LEO Marked - Windowless - UMP .40 S/W Rare UMP .40 windowless magazine with LEO markings. Highly unique magazines as these were "early production" magazines that were...HKP-20749$99.95 -
HK VP9, VP40 Grip Panel Left Side - Large - OD Green
H&K Heckler & Koch
$24.99H&K VP9, VP40 Left Side Grip Panel - Large - OD Green New HK German manufactured. Left side size large. Perfect for spare or for custom stippling projects. Drop-in part for rour HK VP Pistol. CompatibHKP-19174$24.99 -
On Sale
HK G36C Handguard
GSG9
Now: $114.26Was: $126.95GSG9 Handguard with Heat Shield and Hand Stop for HK G36C New GSG9 manufactured forearm with heat shield and hand stop fits all HK G36C's or SL8, G36 conversions sized for the G36C barrel. Each unit...HKP-18216Now: $114.26Was: $126.95 -
B&T TP9, MP9 Survival Set Spare Parts Kit
B&T Brugger & Thomet
$329.95B&T BT TP9, BT MP9 Survival Set Spare Parts Kit This is must have spare parts kit for those high mileage parts. Includes: Firing pin (BT-30113)HKP-17301$329.95 -
HK VP9SK, VP40SK Backstrap - Medium - FDE
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Medium - FDE New HK German manufacture. Compatible With: HK VP9SKHKP-18581$29.95 -
On Sale
HK USPC HK08 Night Sight - Green
Trijicon
Now: $128.66Was: $142.95Trijicon HK USPC HK08 Night Sight - Green 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...HKP-01610Now: $128.66Was: $142.95 -
On Sale
HK VP9SK, P30SK Magazine with Finger Rest - 15 Round - 9mm - Red
HKP HK Parts / Heckler & Koch
Now: $62.96Was: $69.95HK VP9SK and HK P30SK 9mm - 15 Round Magazine with HK Red Finger Rest New German VP9SK and P30SK HK manufacture 10 round magazine body, follower, spring, locking plate combined with the HK Parts +5...HKP-20567Now: $62.96Was: $69.95 -
On Sale
Triangle Stock - TS-8 with 1913 Folding Mech
JMAC Customs
Now: $269.96Was: $299.95JMAC Customs TS-8 w/ 1913 Folding Mech Triangle stock 8" with our 1913 folding mech (not assembled) 2x integrated QD sling socket 8" lengthHKP-20145Now: $269.96Was: $299.95 -
On Sale
HK91, PTR-91 Bolt Head Complete
PTR
Now: $114.72Was: $179.95HKP PTR HK91 / PTR-91 Bolt Head Complete New PTR bolt head complete with extractor, extractor spring, roller retainer plate, pair of 8mm rollers. Ready to drop in to replace your worn out bolt head...HKP-20140Now: $114.72Was: $179.95 -
On Sale
B&T APC Brace and Stock Adapter
MI Midwest Industries
Now: $62.96Was: $69.95Midwest Industries B&T APC Brace and Stock Adapter Features: Made in the USAHKP-19673Now: $62.96Was: $69.95