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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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 -
Out Of Stock
HK PSG1, MSG90 Trigger Shoe Complete
H&K Heckler & Koch
$0.00HK German Factory PSG-1, MSG90 Trigger Shoe Complete HK PSG1 Trigger Show Complete With Hardware Installed As Shown. Will fit factory HK PSG1 & MSG90 Triggers. German HK production. Please note: Does NOT fit a standard HK 90 series trigger without...HKP-00532$0.00 -
Out Of Stock
HK PSG1, MSG90 Bolt Carrier Group - Complete
H&K Heckler & Koch
$0.00New HK German PSG1, MSG90 Bolt Carrier Group Complete, A rare find and hard to find. Each bolt comes with the newest production HK German parts: PSG1/MSG90 Bolt carrier with forward assist grooves, Tungsten. Complete PSG1/MSG90 Bolt head 30T PSG1/MSg90...HKP-00533$0.00 -
Out Of Stock
HK PSG1, MSG90 Bipod
H&K Heckler & Koch
$0.00New HK German MSG90 PSG1 Bipod Complete Will Attach To The HK PSG1 Or MSG90 Forearm. New HK German. PSG1 MSG90HKP-00530$0.00 -
Out Of Stock
HK PSG1, MSG90 Bolt Head - Complete
H&K Heckler & Koch
$0.00HK German PSG1, MSG90 Bolt Head Complete. New factory German HK.HKP-00534$0.00 -
Out Of Stock
HK PSG1, MSG90 Locking Piece #23T - 40 degree
H&K Heckler & Koch
$0.00HK German 23T 40 degree Locking Piece HK German PSG-1 23T Locking Piece. This is 40 Degree. This is similar to the 30T locking piece only this has a 40 degree locking shoulder difference.HKP-00332$0.00 -
Out Of Stock
HK 91, G3 Wide Handguard Black
H&K Heckler & Koch
$0.00HK Wide Forend Black - HK German G3 & 91, PTR91 - German Genuine Heckler & Koch German Wide Forearm. This is the finest HK wide forearm available. Factory fresh German HK production. NO LONGER IN PRODUCTION & DISCONTINUED. GET THEM WHILE WE...HKP-00213$0.00