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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HK MP5KSD Barrel Shroud and Handguard Combo
HKP HK Parts
$289.95HK Parts HK MP5KSD Shroud and Handguard Combo The perfect items for those that are looking into doing a custom MP5K SD build. The finest MP5K SD shroud ever made or available. This will be the best combo set for a top notch fit and conversion finish...HKP-20950$289.95 -
On Sale
Tikka, CTR Bolt Shroud
Tactical Precision MFG
Now: $28.95Was: $54.99Tactical Precision MFG Tikka Bolt Shroud made of Titanium This titanium Tikka bolt shroud is durable and corrosion resistant. Features: Made in the USA Dimensions: 1 9/16" x 7/8" x 3/4" Compatible With: Tikka T3, T3x, and CTR rifles NOT...HKP-20783Now: $28.95Was: $54.99 -
HK VP9, VP40 Grip Panel Left Side - Large - OD Green
H&K Heckler & Koch
$24.99H&K VP9, VP40 Left Side Grip Panel - Large - OD Green New HK German manufactured. Left side size large. Perfect for spare or for custom stippling projects. Drop-in part for rour HK VP Pistol. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40HKP-19174$24.99 -
HK G36C Piston Rod - Incomplete
H&K Heckler & Koch
$49.95Heckler and Koch Incomplete Black Gas Piston Rod for HK G36C A must have item for HK G36C conversions from SL8's or for spares for your G36C. New HK German factory part. Compatible with: G36CHKP-17009$49.95 -
B&T TP9, MP9 Brass Catcher - Quick Detach- Polymer
B&T Brugger & Thomet
$197.95B&T TP9/MP9 Polymer Quick Detach Brass Catcher This is the new style brass catcher that only fits new style TP9 top covers. Specifications: Color: Black Height max: 102.2 mm Length max: 122 mm Material: Polymer Mounting: Weapon must be...HKP-17286$197.95 -
HK USPC HK08 Night Sight - Green
Trijicon
$142.95Trijicon HK USPC HK08 Night Sight - Green Trijicon Bright & Tough Night Sights are 3 dot iron sights that increase night fire shooting accuracy by as much as five times over conventional sights. Equally impressive, they do so with the same...HKP-01610$142.95 -
HK MP5SD Parts Kit - Pistol Build - 9mm - Binary Trigger - Receiver Flat & Weldment Set
HKP HK Parts
$2,389.95HKP MP5SD 9mm Pistol Build Kit With Flat, Top Rail & Weldment Set - SEF Binary Trigger MP5SD 9mm parts kit complete with all the parts required for an MP5 semi-auto pistol build. Each kit comes with all 6 of the needed US made compliance parts to be...HKP-20524$2,389.95 -
HK UMP Barrel - .45 ACP - 16.5" - Threaded 16x1 LH
HKP HK Parts
$369.95HKP HK UMP .45 ACP Barrel - Threaded 16x1 LH This new 16.5" threaded barrel is designed for the UMP or Omega firearms. A great replacement or threaded barrel upgrade. Compatible With: HK UMP .45 ACP Omega FirearmsHKP-19395$369.95 -
Out Of Stock
HK VP9, P30, HK45C Fiber Optic Sight Set - Red
Trijicon
$119.95Trijicon Fiber Optic Sight Set in Red for HK VP9, HK P30, HK 45C Behind Trijicon® Fiber Sights is years of engineering and manufacturing experience in producing the industry's leading night sight and fiber illuminated scopes and sights. Featuring...HKP-19357$119.95 -
HK 20 Round HK91, G3 Rare LEO Laser Marked Steel Magazine - Parkerized
H&K Heckler & Koch
$59.9520 Round Steel Magazine HK L.E.O - HK 91, G3, PTR .308- LEO Laser Marked Perfect for the avid collector, HK .308 factory steel 20-round all-steel magazine. Each magazine starts as a handpicked unit and is expertly broken down and refinished, inside...HKP-19333$59.95 -
HK VP9, VP40 Backstrap - Small - OD Green
H&K Heckler & Koch
$24.95H&K VP9, VP40 Backstrap - Small - OD Green New HK German Manufactured Compatible With: HK VP9 HK VP40 HK VP9A1 F HK VP9A1 KHKP-18839$24.95 -
HK USP Expert Barrel - .40 ACP - 5.19"
H&K Heckler & Koch
$299.95New HK German Factory USP Expert .40 Barrel This barrel will fit a stock USP .40 full-size pistol but will extend out the front of the slide for those who want to use a Comp Weight? or need a longer barrel for the USP .40 firearm. Made in Germany with a...HKP-01472$299.95