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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B&T APC9, APC45 Stock Adapter
B&T Brugger & Thomet
$289.95B&T APC9, APC45 Stock Adapter Factory B&T stock adapter to fit stocks and braces to APC9 and APC45 platforms. Adapts: B&T UMP folding stock to APC9/APC45 SB Tactical folding brace to APC9/APC45HKP-22033$289.95 -
Out Of Stock
HK416 Convex Buttstock - Wrench Included
H&K Heckler & Koch
$114.95H&K HK416 Convex Buttstock w/Wrench Factory-original H&K buttstock with convex buttpad and included tool. Compatible with HK416 rifles using MIL-SPEC buffer tubes (not included). Features: Ergonomic cheek weld Twist-off rubber buttpad with two...HKP-22025$114.95 -
Out Of Stock
HK VTAC-MK2 Sling - Coyote Tan
H&K Heckler & Koch
$62.95H&K VTAC-MK2 Sling - Coyote Tan - Two Point Sling The Viking Tactics Padded Sling features a closed cell foam shoulder strap and durable resin treated nylon. Its quick adjust design allows fast length changes from any position. The friction resistant...HKP-22008$62.95 -
HK P30SK Firing Pin Safety Spring
H&K Heckler & Koch
$5.99H&K P30SK Firing Pin Safety Spring Replacement firing pin safety spring for the P30SK. Maintains proper tension on the firing pin safety plunger to ensure safe and reliable function. Compatible With: HK P30SKHKP-21977$5.99 -
HK MR556, MR762 A4 Disconnector
H&K Heckler & Koch
$18.95H&K MR556/MR762 A4 Disconnector Factory H&K disconnector for use in MR556 A4 and MR762 A4 platforms. Compatible With: HK MR556 A1/A4 HK MR762 A1/A4HKP-21969$18.95 -
HK MR762 A4 Charging Handle
H&K Heckler & Koch
$199.95H&K MR762 A4 Charging Handle Upgrade your MR762 or HK417 style rifle with this factory H&K ambidextrous charging handle, engineered for smooth, reliable operation from either side. Built to Heckler & Koch’s exacting standards, this...HKP-21967$199.95 -
HK MR762 A4 Handguard - Quick Detach - 14.4"
H&K Heckler & Koch
$739.95Heckler and Koch 14.4" Quick Detach Handguard for HK MR762 A4 Factory HK 14.4" handguard for the MR762 A4. This rail uses the correct HK quick-detach mounting system for fast removal and secure reattachment. Constructed from lightweight, durable aluminum...HKP-21936$739.95 -
On Sale
HK MP5 Locking Piece - 100 Degree - Standard Oversized - BLEMISHED - Gunsmith Special
USA
Now: $9.95Was: $33.95HK MP5 Oversized 100 Degree Standard Locking Piece - BLEMISHED - Gunsmith Special This US-made MP5 100 degree locking piece is the correct locking piece for all HK MP5-style forearms. This locking piece has also now become the factory correct locking...HKP-99116Now: $9.95Was: $33.95 -
Out Of Stock
HK11 Recoil Spring
H&K Heckler & Koch
$18.95H&K HK11 Recoil Spring This German-made HK11 recoil spring is longer than the standard G3 springs but has the same pattern. As a project spring, this part can be cut down for use on G3 and HK33-type recoil rods. Many U.S.-built HK11's use G3 springs...HKP-21858$18.95 -
HKP Bundesadler Coasters - Set of 6
HKP HK Parts
$24.99HKP Bundesadler Coasters - Set of 6 Designed to protect your surfaces in style, these coasters feature a durable top surface with a natural cork bottom, ensuring they stay firmly in place while safeguarding your furniture from water rings, scratches,...HKP-21844$24.99 -
HK G36 Magazine Spring - 30 Round
HKP HK Parts
$7.95HKP HK G36 Replacement 30 Round Magazine Spring A high-quality replacement spring designed to restore optimal performance to your G36 magazine. Built to withstand frequent use, this component ensures smooth feeding and reliable function. Compatible...HKP-21830$7.95 -
Out Of Stock
Picatinny Optic Mount - 39mm - Skeleton - Aimpoint T-Series
B&T Brugger & Thomet
$150.00B&T 39mm Picatinny QD Skeleton Mount for Aimpoint T-Series The B&T QD skeleton mount for Aimpoint T-Series offers a 39mm elevated profile for improved sight alignment, ideal for night vision setups requiring clearance over forward-mounted IR...HKP-21771$150.00