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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HK91, G3 Handguard - Slimline Style - Used Good
H&K Heckler & Koch
$17.45Used Authentic German Military Surplus Black Slim Line Forearm With Heat Shield Very good condition. For the money, these are a nice addition to the collection. Compatible With: all full forearm...HKP-18316$17.45 -
On Sale
HK MP5 Magazine Locking Plate - 9mm - Red
HKP HK Parts
Now: $5.57Was: $7.95HKP HK MP5, MP5K 9mm Magazine Locking Plate - HK Red Teflon infused glass filled polymer red colored locking plate that will work with all HK MP5, MP5K 9mm curved magazines. A drop in item that...HKP-18303Now: $5.57Was: $7.95 -
On Sale
HK Men's Shirt - Long Sleeve - Bundesadler - Black
HKP HK Parts
$19.09 - $29.95HKP Mens Long Sleeve Bundesadler Shirt - Black Get your hands on some of our premium new apparel! Featuring our sleek new logo printed over soft cotton, this shirt is certain to catch an eye at the...HKP-21179-M$19.09 - $29.95 -
On Sale
HK MP5 Folding Brace - .22LR - Skeletonized
HKP HK Parts / SB Tactical
Now: $224.96Was: $249.95Side Folding Brace For The HK MP5 .22 model A drop in folding brace for your MP5 .22 model pistol. Made from aircraft grade aluminum, QD sling attachment point and a beautiful anodize finish. This is...HKP-21053Now: $224.96Was: $249.95 -
HK91, G3 2-Stage Trigger
Timney Triggers
$348.95Timney Trigger for - HK91, PTR 91 The Timney HK91 trigger is factory-set with a two pound first stage and a two pound second stage pull weight. This offering comes complete with a factory German ...HKP-20508$348.95 -
HK MP5, HK94 Slimline Handguard - OD Green
H&K Heckler & Koch
$49.95H&K HK MP5 & HK94 Slimline Forearm Used German military surplus O.D green slimline forearm with heat shield cut down to fit the MP5 & HK94. These are rare items only offered here at HK Parts. Each...HKP-20197-M$49.95 -
On Sale
HK91, G3 Tapered Barrel - 16" - Threaded 5/8x24 RH
PTR
Now: $141.71Was: $229.95PTR HK G3/91 Tapered Barrel - Threaded 5/8x24 PTR manufactured US made barrel for the HK91, G3 & PTR style of firearms. This 16" barrel will allow you to add a threaded flash hider that is threaded...HKP-19472Now: $141.71Was: $229.95 -
On Sale
Folding Grip - Quick Detach - Low Profile
UTG
Now: $48.09Was: $54.95UTG Quick Detach Low Profile Folding Grip Features: Unique knurled surface for the most solid grip Smart Posi-Lock cross bolt and spring tensioned lockingHKP-15029Now: $48.09Was: $54.95 -
HK MP5N Barrel - 9mm - 8.85" - Threaded 1/2x28 with 3 Lug
RCM
$165.00RCM HK MP5 9mm Navy Barrel - Threaded 1/2x28 - 3-Lug This MP5N barrel is made in the USA from Cold Hammer Forged steel, providing top quality and value. It is treated with a durable nitride finish,...HKP-01162$165.00 -
HK Extended Right Side Ambidextrous Selector Lever
H&K Heckler & Koch
$64.95HK German Right Side Ambidextrous EXTENDED (ESSL) Lever New German HK extended selector lever for the right side of all ambidextrous trigger packs. Works with all ambi left side HK selector levers...HKP-18875$64.95 -
HK CC9 Grip Frame
H&K Heckler & Koch
$29.99Heckler and Koch CC9 Grip Frame Factory HK CC9 grip frame. Made from high-strength polymer with molded texturing for durability and enhanced control. Compatible With: HK CC9HKP-22206$29.99 -
On Sale
B&T Sling Attachment Loop - Universal
B&T Brugger & Thomet
Now: $6.76Was: $7.95B&T Sling Attachment Loop Swiss-made B&T sling loop for attaching slings to sling eyelets on firearms. B&T made but compatible with any sling with a clip and firearm with a sling loop or other...HKP-21734Now: $6.76Was: $7.95