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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Ambi Trigger Pack - Semi Auto - 9mm - US Made 922r Parts
HKP HK Parts
$309.95HKP 9mm Ambidextrous US Made Trigger Pack - 4 U.S. 922r Parts HK MP5/94 9mm Semi-Auto Trigger Pack Complete. Assembled and ready install on your firearm. The components that count towards 4 of the 922r compliant parts include the trigger pack box,...HKP-18269$309.95 -
HKP HK P30 Magwell - EDC - Steel
HKP HK Parts
$79.95EDC Tactical Magwell - HK P30 - Steel Magwell Our newest and greatest EDC magwell was redesigned for a much faster and reliable mag reloads. With a much greater funneled area it guides you to the correct position every time resulting in no-look magazine...HKP-21194-M$79.95 -
Out Of Stock
HK91, G3, PTR Trunnion
RCM
$64.95RCM Trunnion For The HK91/G3 Series - US Made This part is machined from ordnance grade 9310 enhanced steel and heat treated to exact HK specifications. This item is the best USA-made trunnion on the market. Machined to spec and are to the custom ground...HKP-01289$64.95 -
Out Of Stock
HK VP9SK Tactical Barrel - 9mm - Threaded 1/2x28
RCM
$225.00RCM HK VP9SK 9mm Tactical Barrel - Threaded 1/2x28 Each VP9SK Tactical barrel is machined from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK VP9SK 9mm...HKP-19258$225.00 -
HK MP5K, SP89 9mm Locking Piece - 110 Degree
RCM
$33.95MP5K, SP89 Locking Piece - 110 Degree - RCM US-Made Locking Piece. Made from ordnance grade steel, heat treated, and made to last by RCM. HK no longer makes the 110-degree locking piece as they use the 100-degree locking piece in all 9mm MP5 and MP5K...HKP-01465$33.95 -
Firearm Cleaning Oil - Break Free CLP - .5 oz
Safariland
$4.95Break Free Cleaner, Lubricant and Preservative 1/2 OZ. Features: Penetrates and spreads along metal surfaces into every, crack, pit and crevice to undercut contamination and lift. carbon, fouling and residue away. Long-lasting lubricating film...HKP-15435$4.95 -
On Sale
HK VP9 Railok™ Compensator
HKP HK Parts
Now: $129.95Was: $189.95HK Parts Railok™ Mounting System Compensator: H&K VP9 The HK Parts Railok™ mounting system compensator strikes a seamless balance of form and function. Users will immediately notice the reduction in muzzle flip and recoil,...HKP-21111Now: $129.95Was: $189.95 -
HK416 A1, MR556 Barrel Nut
H&K Heckler & Koch
$53.95Heckler and Koch Barrel nut for MR556A1 rifle All steel barrel nut. This item is a must-have repair and replacement part for removal or when you have any work done to your barrel, as the barrel nut may become damaged in the removal and...HKP-02535$53.95 -
HK MP5K, SP5K, SP89 Handguard with Handstop
H&K Heckler & Koch
$69.95HK SP5K Handguard Factory over-the-muzzle forearm for the MP5K platform. Compatible With: HK MP5K, SP5K, SP89 In spec. clones and custom buildsHKP-18063$69.95 -
HK MP5, HK94 Stock - Folding "
Choate
$219.95Choate MP5 & HK94 Folding Stock Each stock features the same quick open steel housing and folding arm found on all HK stock offerings. Each stock is backed by the manufacturer's lifetime warranty but built tough enough that you will never have to use...HKP-00171$219.95 -
HKP HK P2000SK Compensator
HKP HK Parts
$189.95HKP HK P2000SK Compensator The HK Parts P2000SK Compensator will add a sleek and tactical look to your P2000. With the quick and easy addition of our compensator you will add plenty of benefits. This compensator reduces recoil and therefore allows you...HKP-20885$189.95 -
HKP HK P30L, HK P30LS Quick Detach Compensator V2
$149.95HKP HK P30L, HK P30LS Quick Detach Compensator V2 Easy on, easy off - Quick Detach technology. The HK Parts P30L Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your pistol frame and...HKP-18083$149.95