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 G36K Handguard with Heat Shield
H&K Heckler & Koch
$68.95H&K G36K Handguard with Heat Shield Lightweight and durable design for improved heat management and reliable performance. Compatible With: G36KHKP-22010$68.95 -
On Sale
HK53 Cocking Tube
USA
Now: $79.95Was: $149.95HK53 Cocking Tube US made cocking tube Compatible With: HK53 THIS CLOSEOUT PART IS NOT ELIGIBLE FOR RETURN, REFUND, OR EXCHANGE. SALE IS FINAL.HKP-99057Now: $79.95Was: $149.95 -
HK VP9, VP40 Optic Mount, Aimpoint ACRO P-1, P-2
B&T Brugger & Thomet
$55.00B&T HK VP9 Mounting Base for Aimpoint ACRO P-1 and P-2 Upgrade your HK VP9 or VP40 with the B&T mounting base for Aimpoint ACRO optics. Made from high-quality steel, this durable mounting base ensures a secure and precise fit for your red dot...HKP-21863$55.00 -
HK33, HK53, HK93 Surplus Fixed Stock - A2 - Alpine Green
H&K Heckler & Koch
$139.95Surplus - Fixed Stock - OD Green - HK93,33,53 German military surplus but hand-picked to give you the best of the lot. Ready to install on your HK or clone rifle. Each stock features the correct all-metal backplate painted in HK black...HKP-21847$139.95 -
Out Of Stock
B&T GHM9/45 Stock Telescopic
B&T Brugger & Thomet
$510.00B&T Stock Telescopic for GHM9/45 Factory B&T 3-position telescopic stock for the GHM9 and GHM45 platforms. Compatible With: B&T GHM9/GHM45HKP-21722$510.00 -
HK MP5 Alpha Folding Stock With Direct Fit Adapter - .22 LR
MI Midwest Industries
$419.95MI/HKP HK MP5 .22 LR Alpha Folding Brace/Stock Adapter The Midwest Industries alpha folding stock paired with the HK Parts picatinny rail adapter offers unparalleled versatility. Adjust your length of pull, cheek riser, and butt pad to your exact style...HKP-21515-M$419.95 -
On Sale
HK MP5 Bolt Group - 9mm - Full Auto - Complete
H&K Heckler & Koch
Now: $2,245.95Was: $2,874.95H&K HK MP5 9mm Complete Full Auto Bolt Group This is a factory genuine HK German full auto bolt group compiled with the best German parts available for those that need the best parts on their beloved MP5. Last call on these as they are NLA and...HKP-21478Now: $2,245.95Was: $2,874.95 -
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 features a 9/16x24 thread and includes a thread protector...HKP-21158$279.95 -
SL Magpul Housing Service
Magpul
$49.95 - $129.95SL Magpul Housing Service Our SL Magpul Housing conversion service can be preformed to convert a MP5 style magpul housing into a MP5K style housing. We can also convert them to be compatible with the push pin style receivers like a Factory HK MP5,...HKP-20614-M$49.95 - $129.95 -
HK G36K Handguard - Heat Shield and Handstop - FDE
HKP HK Parts
$109.95HKP HK G36K Forearm With Hand Stop & Heat Shield HK G36K-length forearm, latest production style, with an integrated heat shield. This handguard includes a built-in hand stop, sling attachment points, and molded mounting locations for adding bottom,...HKP-19301$109.95 -
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. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40HKP-19174$24.99 -
HK G36C Piston Rod - Black - Incomplete
H&K Heckler & Koch
$49.95H&K HK G36C Incomplete Gas Piston Rod - Black A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part.HKP-17009$49.95