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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On Sale
HK MP5, MP5K Optic Mount - Raised - Aimpoint ACRO, T1, T2 - Picatinny
MI Midwest Industries
Now: $94.46Was: $104.95Midwest Industries HK MP5, MP5K Tall Optic Mount Tall, clamp-on optic mount for HK MP5 and MP5K pattern firearms, giving a higher, more upright sightline while still allowing use of the factory...HKP-22396-MNow: $94.46Was: $104.95 -
HK53 Cocking Tube
HKP HK Parts
$139.95HKP 53 (5.56/.223) Cocking Tube New cocking tube made in the US. Made to the exact HK specifications as the factory HK53 German cocking tube. This is the only factory-correct HK53 cocking tube...HKP-00197$139.95 -
Picatinny Vertical Foregrip - LED Light - Quick Detach
UTG
$105.95UTG Vertical Grip With LED Light & Quick Detach Mount Features: UTG combat aluminum foregrip with integral LED flashlight CreeHKP-13184$105.95 -
Out Of Stock
HK SEF Short Axle Selector Lever For Metal Trigger Housings - Extended
HKP HK Parts
$69.95HKP SEF Short Axle Selector Lever For Metal Trigger Housings - Extended HK steel SEF Extended selector lever. Fits all metal HK grip frames. Please note that the polymer (plastic) style SEF housing...HKP-19026$69.95 -
HK VP9SK, P30SK Magazine - 9mm - 10 Round - Red Follower
H&K Heckler & Koch
$49.95H&K 10 Round HK VP9SK/P30SK 9mm Magazine - Red Follower German HK manufacture 10 round 9mm P30SK/VP9SK magazine with standard flush fit floorplate. This magazine is the same for the VP9SK & P30SK.HKP-21431$49.95 -
On Sale
HK G36 Magwell - 10, 30, 100 Round
GSG9
Now: $53.06Was: $58.95GSG9 HK G36 Magwell Allows use of all factory G36 & Magpul G36 magazines. Fits all 30 round, 10 round & 100 round magazines & drums. Made from high impact polymer. Compatible With:HKP-18220Now: $53.06Was: $58.95 -
HK MP5K, SP5K Trigger Housing - SEF Universal - 9mm
H&K Heckler & Koch
$199.95H&K Heckler and Koch 9mm SEF Trigger Housing for HK MP5K and HK SP5K A one-size-fits-all approach for the MP5K and SP5K style semi-auto shelf. This is the best option for MP5K and SP5K receivers...HKP-20557$199.95 -
On Sale
HK45 Thread Protector - 16x1 LH - Titanium
Now: $21.84Was: $24.95HK .45 ACP Titanium Thread Protector - Threaded 16x1 LH Crafted from solid titanium, this tactical thread protector fits all HK45 full-size and compact barrels threaded 16x1 LH. Essential for...HKP-17942Now: $21.84Was: $24.95 -
HK416, MR556, MR762 Forward Assist Pin
H&K Heckler & Koch
$4.95Heckler and Koch's Forward Assist Pin for HK416, HK MR556, and HK MR762 Compatible With: HK416, MR556HKP-02662$4.95 -
HK CC9 Magazine Floorplate - 9mm - 12 Round
H&K Heckler & Koch
$5.95H&K CC9 Magazine Floorplate - 12 Round Factory German HK magazine locking plate for use with the HK CC9 12 round magazine. Secures the extended baseplate to the magazine body.HKP-22148$5.95 -
On Sale
Blast Shield - 9mm - Quick Detach with 3 Lug
Angstadt Arms
Now: $89.96Was: $99.95Angstadt Arms, Blastwave, Blast Diverter, 9MM, 3 Lug Attachment Ideal for close quarters environments or shooting in teams, the Blastwave 3-Lug 9mm QD Blast Shield reduces concussive forces on the...HKP-19983Now: $89.96Was: $99.95 -
HK45C, USPC Magazine Floorplate - .45 ACP - 8 Round - Pinky Rest
H&K Heckler & Koch
$12.95H&K 8 Round HK USPC/45C .45 ACP Floorplate w/ Pinky Res HK factory German, vintage style, all polymer 8 round magazine floor plate with finger rest. This floorplate can become cracked and worn with...HKP-01199$12.95