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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HK21E Feed Mechanism Roller Axle
H&K Heckler & Koch
$64.95HK 21E & 23E Series Feed Mechanism Roller AxleHKP-02062$64.95 -
Out Of Stock
HK PSG1 (7.62x51/.308) Trigger Pack Assembly - German
H&K Heckler & Koch
$0.00H&K PSG1 (7.62x51/.308) Trigger Pack Assembly Experience the precision of the factory Heckler and Koch PSG1 trigger pack assembly. This genuine HK PSG-1 trigger pack features a remarkable 3lb pull weight, offering the finest trigger performance for...HKP-00907$0.00 -
Out Of Stock
HK PSG1, MSG90 Selector Lever
H&K Heckler & Koch
$0.00HK German PSG1 Selector Lever This is a must-have item to use on the PSG1/MSG90 trigger packs. This only fits metal grip frames. Compatible With: PSG1/MSG90 trigger packsHKP-00961$0.00 -
Out Of Stock
HK21E, HK23E Forward Assist
H&K Heckler & Koch
$0.00HK21E & HK23E Forward Assist Compatible With: HK 21 HK 21E HK 23E HK 11 HK 13HKP-00247$0.00 -
Out Of Stock
HK PSG1, MSG90 Sling Attachment
H&K Heckler & Koch
$0.00H&K PSG1 & MSG90 (7.62x51/.308) Sling Attachment Sling attachment that connects to the front of a forearm. The sling loop attachment slides into the bipod adapter slot. Compatible With: PSG-1 MSG-90HKP-01429$0.00 -
Out Of Stock
HK PSG1, MSG90 Sling
H&K Heckler & Koch
$0.00New HK German PSG-1 & MSG90 Factory Black Sling With Forearm Attachment Each comes with the factory-correct mounting hardware attachment for the PSG1/MSG-90 forearm. This item is no longer available, so there is a limited supply.HKP-01131$0.00 -
Out Of Stock
HK PSG1, MSG90 Locking Piece #30T - 45 degree
H&K Heckler & Koch
$0.00Hekler and Koch 30T, 45 degree Locking Piece for HK PSG1 and HK MSG90 (7.62x51/.308) HK German PSG-1/MSG90 30T Locking Piece. This is 45 Degree & Made of Titanium For the PSG or MSG Rifles. This is similar to the 23T locking piece only this...HKP-00536$0.00 -
HK MSG90 Locking Roller - 8.00mm - Titanium
H&K Heckler & Koch
$284.95HK German MSG-90 Titanium 8.00mm Set (one of two rollers) Half Moon Rollers Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order -...HKP-00227$284.95 -
Out Of Stock
HK MSG90 Bolt Head - Complete
H&K Heckler & Koch
$0.00New HK German MSG-90 Bolt Head Complete. Rare and hard to find.HKP-00527$0.00 -
HK MSG90 Locking Roller -2 - 7.98mm - Titanium
H&K Heckler & Koch
$284.95HK German MSG-90 Titanium -2 or 7.98mm Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers increase the bolt gap...HKP-01063$284.95 -
HK MSG90 Locking Roller +4 - 8.04mm - Titanium
H&K Heckler & Koch
$329.95MSG90 (7.62x51/.308) +4 Rollers 8.04mm Set -Titanium Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers...HKP-02454$329.95 -
HK MSG90 Locking Roller +2 - 8.02mm - Titanium
H&K Heckler & Koch
$284.95MSG90 (7.62x51/.308) +2 Rollers 8.02mm Set -Titanium Half moon rollers. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need to order - plus-size rollers increase the...HKP-02453$284.95