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, MP5K Magazine - LEO Marked - 30 Round
Other
$44.95Turkish Contract 30 Round LEO Marked Magazine for HK MP5, MP5K Replica LEO laser markings that replicate those found on factory magazines. This is a Turkish contract 30-round magazine for MP5 and MP5K pattern firearms. Manufactured to military...HKP-22487-M$44.95 -
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 -
HK45, USP, USP Tactical Recoil Spring
H&K Heckler & Koch
$13.95HK 45/USP/Tactical Recoil Spring New HK Factory recoil spring (Factory 14lb) for USP 45 full size. Compatible With: HK USP 45 HK 45 Tactical HK 45 Elite, Expert Works as a slightly heavier recoil spring for the USP 9mm & .40 pistols (12.5 lb...HKP-01982$13.95 -
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 -
HK VP9L Barrel - 9mm - 5.6" - Threaded 1/2x28 RH
RCM
$262.50RCM HK VP9L 9mm Tactical Barrel - Threaded 1/2x28 RH Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest threaded replacement barrel for the HK VP9L 9mm pistol,...HKP-19203$262.50 -
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 -
On Sale
HK45C Rail Mount Compensator
HKP HK Parts
Now: $134.95Was: $189.95HKP HK45C .45 Rail Mount Compensator Specifications: Length: 4 inches Height: 2 1/2 inches Weight: 5 oz. Torque: Bottom Screws - 26 inch-lbs Side Screws - 18 inch-lbs Crafted from aircraft-grade billet aluminum and finished in durable Cerakote. NOT...HKP-20598Now: $134.95Was: $189.95 -
HKP (5.56/.223) & (7.62/.308) Muzzzle Brake Compensator - Threaded 15x1 RH
HKP HK Parts
$29.95HKP (5.56/.223) & (7.62/.308) Muzzzle Brake Compensator - Threaded 15x1 RH This compensator is perfect for any 15x1 RH Barrel. Specifications: Threaded 15x1 RH Compatible With: HK G3/91/PTR HK 93/53/33 HK MR223 HK 416/MR556 HK 417/MR762 HK...HKP-19738$29.95 -
HK VP9, P30, HK45 Adjustable Match Sights Fiber Optic
H&K Heckler & Koch
$117.95H&K HK VP9, HK P30, HK 45 Adjustable Match Sights Fiber Optic - Other LPA Match Sights with Fiber Optic inserts. Adjustable in elevation and windage (front and rear sight set) Compatible With: HK VP9, VP9SK, VP40 (Excluding VP9 Optics Ready) HK...HKP-18828$117.95 -
On Sale
HK P2000SK Magazine - 9 Round - .40 S&W & .357 Sig
H&K Heckler & Koch
Now: $39.95Was: $49.00HK P2000SK 9 Round Magazine - .40 S&W and .357 Sig This magazine holds 9 rounds of .40 S&W ammunition with a flat floorplate. Great magazine for concealed carry use. Compatible With: P2000SK .40 P2000SK .357 SigHKP-02489Now: $39.95Was: $49.00 -
HK91, G3 Complete Tactical Folding Stock
Choate
$179.95HK91, G3, & PTR Folding Stock With Adjustable Length Of Pull - Tactical Stock This stock is adjustable by two inches when using the innovative spacer system. It comes fully assembled and ready to drop on your favorite HK. The adjustable length system...HKP-01951$179.95