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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HK21 Ammunition Belt without Starter Tab - 50 Round
H&K Heckler & Koch
$29.95H&K 21 50-Round Ammo Belt w/o Starter Tab No starter tab. For belt-fed HK 21 guns.HKP-00569$29.95 -
On Sale
HK MP5SD Barrel Port Brush Handle
HKP HK Parts
Now: $31.95Was: $39.95HKP SD Barrel Port Brush Handle The HK Parts SD brush handle is the perfect tool to pair with your factory H&K or HK Parts barrel brush. Unlike other brush handles, the HKP handle features a locking clamp allowing the user to rotate the brush...HKP-21448-MNow: $31.95Was: $39.95 -
HK MP5, HK94 Recoil Rod Assembly
H&K Heckler & Koch
$69.95H&K MP5 & HK94 Recoil Rod Assembly HK German MP5 and HK94 recoil rod assemblies come complete with rod, spring, nylon rings, end caps, and rivets installed. This is a great item to have on hand as a spare part as this is a wear-and-tear...HKP-00132$69.95 -
On Sale
HK MP5, MP5K Magazine Release Set - 4 Piece
HKP HK Parts
Now: $63.95Was: $79.95HKP HK Parts 4-Piece Magazine Release Set for HK MP5 and HK MP5K Each magazine catch set consists of 4 pieces and is a mixture of HK Germany and USA made parts. This is the set that provides left-to-right mag release controls. Each Set Includes: Mag...HKP-00912Now: $63.95Was: $79.95 -
HK416, MR556 HK417, MR762 Firing Pin Spring
H&K Heckler & Koch
$14.95H&K MR556/MR762/416/417 Firing Pin Spring This part is great to have on hand as this item is a high wear and replacement part and one of the most common breakage parts on the HK 416/MR556 rifles. Compatible With: HK MR556 HK 416 HK MR762 HK 417 HK...HKP-00928$14.95 -
HK 3 Point Factory Sling
H&K Heckler & Koch
$69.95H&K 3 Point Factory Sling New HK German 3 point factory sling HK Black. Can be used as a 2 point or 3 point sling on your HK rifle. This sling is the factory HK issued sling. Never before offered as the 3 point slings have always been traditionally...HKP-18428$69.95 -
HK33, HK53, HK93 Rear Sights Windage Screw
H&K Heckler & Koch
$4.95H&K Rear Sights Windage Screw - HK 90 Series This is a hard-to-find rear sight screw new from HK Germany - not surplus.HKP-00867$4.95 -
On Sale
HK P2000 Straight Trigger
Grayguns
Now: $84.95Was: $95.00Grayguns HK P2000 Straight Trigger Designed by Keith Hosey, Grayguns’ director of gunsmithing, the HK P2000 Straight Trigger is a first-of-its-kind in the market. The trigger reduces over-travel while featuring a 90-degree optimal trigger...HKP-21071Now: $84.95Was: $95.00 -
HK416, MR556, HK417, MR762 Pistol Grip with Storage - RAL8000
H&K Heckler & Koch
$89.95Heckler and Koch HK416, HK417 HK MR556 HK MR762 Battle Grip with Storage Compartment - RAL 8000 New HK German factory battle grip with storage compartment access located in the bottom of the grip. Superior fit and feel to any other grip on the market...HKP-18584$89.95 -
HK MP5, MP5K Magazine - LEO Marked - 30 Round - LEO Marking
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$44.95 -
Out Of Stock
HK MP5K, SP89, SP5K Recoil Rod Assembly
H&K Heckler & Koch
$74.95HK German MP5K, SP-89, SP5K Recoil Rod Assembly Complete The recoil spring assembly is a great item to have on hand for replacement and spares as this is a consumable wearable part. New factory German HK manufactured and just under 7" in length...HKP-00386$74.95 -
HK MP5K, SP89, SP5K Recoil Spring - 9mm
H&K Heckler & Koch
$11.95HK German MP5K, SP89 Recoil Rod Assembly Spring This is a great replacement and spare part.HKP-01159$11.95