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 Bungee Single Point Sling - 1600mm Long
H&K Heckler & Koch
$129.95H&K Bungee Single Point Sling - 1600mm Long New factory HK German manufactured single point elastic "push/pull" bungee style sling. Includes the factory sling hook and is fully adjustable for the average sized mag to use. Will fit any HK application...HKP-18182$129.95 -
HK91, G3 Trunnion - Used
H&K Heckler & Koch
$39.95HK German HK G3 & HK 91 Trunnion - Used These trunnions are from demilled G3 parts kits and will have leftover receivers and barrel stubs installed along with factory barrel pins. Please note the picture shows one with the demilled parts removed...HKP-00718$39.95 -
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 -
HK90 Series S1 Curved Trigger - Skeletonized
HKP HK Parts
$68.95HKP 90 Series S1 Curved Trigger - Skeletonized - USA The HK Parts Skeletonized S1 curved 90 series trigger is expertly engineered for exceptional performance and reliability. It fits all 0, 1, SEF, and Navy style trigger packs effortlessly. Due to its...HKP-22180-M$68.95 -
HK MP5, HK94, SP5 Magazine Spring - 20 Round
HKP HK Parts
$6.9520 Round Magazine Spring - HK MP5, 94, SP5 Fits all factory spec steel 20 round MP5, 94 style curved magazines. A must-have repair and replacement part great for spares.HKP-20687$6.95 -
HK416, MR5566 Sling Loop - Ambi
H&K Heckler & Koch
$154.95H&K HK MR556/416 Ambi Sling Loop Ambidextrous sling loop for a quick and easy carrying option. compatible with any sling that attaches via a sling hook. Intended for the HK 416 format but is compatible with any picatinny rail. Compatible With: HK...HKP-20341$154.95 -
Out Of Stock
B&T APC9, APC10, APC45 Telescopic Stock Buttpad
B&T Brugger & Thomet
$165.00B&T APC9, APC10, APC45 Telescopic Stock Buttpad B&T telescopic stock replacement buttpad. Can also be used to convert a B&T telescopic brace to a stock. Compatible With: B&T APC9, APC10, APC45 B&T APC223, APC300*** ***This...HKP-19968$165.00 -
HK G36K, G36C Rail - Side
HKP HK Parts
$24.95HK Aftermarket G36K/G36C Side Rail For Handguard This will fit the sides (left or right) of the forearm on the G36K and G36C forearms. Comes with all mounting hardware. Each rail is sold individually.HKP-00273$24.95 -
B&T 30 Round BT USW-A1 9mm Magazine
B&T Brugger & Thomet
$55.00B&T 30 Round BT USW-A1 9mm Magazine Swiss B&T manufactured 30 round magazine for the USW-A1 9mm. These B&T's USW replacement magazines feature the same reliability as the mags that ship with new B&T firearms. These high quality factory...HKP-18353$55.00 -
Bore Boss Pull-Through Bore Cleaner - 5.56 / .223
Real Avid
$10.95Real Avid Bore Boss Pull-Through Bore Cleaner - 5.56mm/.223 From the barrel of innovation comes the ultra-compact Bore Boss, the first-ever self-storing, easy-feeding, clean-pulling, field-ready, hassle-free, pure-genius bore cleaner. The single-piece...HKP-19402$10.95 -
On Sale
HK416, COLT M4 Magazine Spring - .22LR - 20 Round
HKP HK Parts
Now: $1.95Was: $3.95HKP 20 Round HK416 .22LR and Colt M4 .22LR Magazine Spring A good supply of spare mag springs is a must. These are ideal to have on hand as the spring can become damaged or worn out. New production mag spring for your Umarex HK416 & Colt 20 round 22...HKP-14410Now: $1.95Was: $3.95 -
HK USPC .40 S&W Recoil Rod Assembly
H&K Heckler & Koch
$89.95Recoil Spring Guide Rod Assembly Complete For The HK USP Compact 40 Cal & .357 SIG New HK German factory part. This is a great spare or replacement item to have on hand. Compatible With: HK USP Compact 40 Cal HK USP Compact .357 SIGHKP-01479$89.95