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 MP5 Retractable Buttstock - 4 Position - RAL8000
H&K Heckler & Koch
$764.95HK German MP5 & HK SP5 A3 "F" Style Retractable Rear Stock - 4 Position - RAL 8K This German HK A3 retractable is the latest & greatest HK retractable German stock available. Now in the desirable RAL 8000 color. The F stock is designed to take...HKP-21265$764.95 -
HK416, COLT M4 Magazine Spring - .22LR - 30 Round
HKP HK Parts
$3.95HK 416 & Colt .22 30 Round 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. Compatible With All 30 Round .22 Mags For: HK 416 Colt M4 G36HKP-14409$3.95 -
HK USP Magazine Floorplate - .45 ACP - 10 Round - Extended
H&K Heckler & Koch
$12.95H&K 10 Round HK USP .45 ACP Extended Floor Plate This is a great part to stock up on as the 10-round tabs are known for breakage, or if you have large hands, the extended floorplate is a must-have upgrade. Compatible With: HK USP .45 Magazine...HKP-01281$12.95 -
HK91, HK21, HK93 Fixed Stock Heavy Rubber Buttpad - MM
Michaels Machines
$79.95MM Fixed Stock Heavy Rubber Buttpad Reduce the felt recoil transferred to your shoulder with the Michael's Machines heavy rubber buttstock pad. Perfect replacement for old, hard original buttstock pads. US made and backed by a lifetime...HKP-00914$79.95 -
HK91, G3, HK33, HK53 HK93 Tac Latch
$69.95HK Rifle Tac Latch for HK91, G3, HK93, and HK33 HK's were designed to have a quick one-handed release capability for the magazine (paddle mag release). However, the semi-auto versions eliminated this much-needed feature due to import restrictions...HKP-02791$69.95 -
Hammer Spring, HK Burst Trigger Packs
H&K Heckler & Koch
$19.95H&K Hammer Spring For HK Burst Trigger Pack The HK German factory intermediate poundage "satin" gray hammer spring is found in all 9mm, 40/10, and .556/223 burst trigger packs and is proven to be the most reliable and longest-lasting spring for burst...HKP-01111$19.95 -
Out Of Stock
HK USPC, P2000 Magazine Body - 9mm - 13 Round
H&K Heckler & Koch
$27.9513 Round HK USPC & P2000 9mm Magazine Body Each unit comes with the LEO markings on the mag body. Compatible With: USPC 9mm P2000 9mmHKP-02502$27.95 -
HK SEF Short Axle Selector Lever For Metal Trigger Housings Only
HKP HK Parts
$19.95HKP SEF Short Axle Selector Lever For Metal Trigger Housings Only HK German steel SEF selector lever. Please note that the polymer (plastic) style SEF housing uses the longer axle SEF selector lever not this product offering. Brand new factory...HKP-17910$19.95 -
HK MP5 A2 Buttstock - .22 LR
HKP HK Parts / Heckler & Koch
$179.95HKP and Heckler and Koch .22 LR A2 Stock for HK MP5 Upgrade your HK MP5 .22 rifle with the precision-engineered A2 fixed stock from Heckler and Koch and HK Parts. Designed specifically for the .22 LR, this stock provides a solid, stable shooting...HKP-21937-M$179.95 -
HK MP5, HK94 Slimline Handguard
H&K Heckler & Koch
$69.95H&K HK MP5 & HK 94 Slimline Forearm Used German military slimline forearm refinished and cerakote in a black finish. Modified to fit the MP5 & SP5. These are rare items only offered here at HK Parts. Each item is in good to...HKP-20274-M$69.95 -
HKP 9mm - Micro Comp - Threaded 13.5x1 LH
HKP HK Parts
$49.95HKP 9mm - Micro Comp - Threaded 13.5x1 LH This precision engineered compensator is designed to enhance your shooting experience by reducing muzzle rise and improving accuracy. It's crafted for seamless installation and reliable performance...HKP-18061$49.95 -
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 available, as HK Germany does not offer this part separately...HKP-00197$139.95