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 VP9 Slide Release Lever - Left - Anti-Skid
H&K Heckler & Koch
$74.95H&K VP Anti-Skid Slide Release Lever - Left Left side extended slide release lever. Can be combined with 260498, 50254710, 50239708. CompatibleHKP-22011$74.95 -
HK416, MR556 Stabilizing Brace - SBA3 5 Position Adjustable
SB Tactical
$109.95SB Tactical SBA3 5 Position Adjustable Stabilizing Brace The SBA3™ is a minimalist, 5-position adjustable stabilizing brace designed for platforms that accept a mil-spec carbine receiver extension...HKP-21927$109.95 -
Out Of Stock
HK21 FMP Complete Build Kit - Non Matching Numbers - 14.5" Barrel
FMP HK CONTRACT
$3,289.95HK21 Complete Build Kit- Non Matching Numbers - 14.5" Barrel HK Parts bring you yet another exhaustive parts kit. Our HK21 kit includes everything you need to resurrect an iconic classic and hit the...HKP-21848$3,289.95 -
B&T 9mm Magazine - 10 Round
B&T Brugger & Thomet
$65.00B&T 10 Round 9mm Magazine Compatible With: B&T MP9/TP9 <HKP-21740$65.00 -
B&T USW-G17 Conversion Kit
B&T Brugger & Thomet
$550.00B&T USW-G17 Conversion Kit Upgrade your Glock 17 with the B&T USW-G17 conversion kit, transforming it into a Universal Service Weapon for enhanced stability and control. This kit includes a folding...HKP-21733$550.00 -
Out Of Stock
B&T Stock Conversion Kit - Stock or Brace Adapter - Telescopic
B&T Brugger & Thomet
$90.00B&T Stock Conversion Kit for Telescopic Brace/Stock Adapters This stock conversion kit will work on all models of telebraces with a tailhook adapter endplate. Perfect for converting you telescopic...HKP-21725$90.00 -
HK SP5 Stock With Direct Fit Adapter
Magpul
$189.95HK SP5 Stock With Direct Fit Adapter SP5 DT Magpul stock ready to drop in on any in-spec SP5 receiver or clone. We take our AR SP5 Adapter and attach it onto a mil-spec buffer tube. We then drop it...HKP-21411-M$189.95 -
HK G36C Handguard
GSG9
$126.95GSG9 Handguard with Heat Shield and Hand Stop for HK G36C New GSG9 manufactured forearm with heat shield and hand stop fits all HK G36C's or SL8, G36 conversions sized for the G36C barrel. Each unit...HKP-18216$126.95 -
HK VP9SK, VP40SK Backstrap - Medium - FDE
H&K Heckler & Koch
$29.95H&K VP9SK, VP40SK Backstrap - Medium - FDE New HK German manufacture. Compatible With: HK VP9SKHKP-18581$29.95 -
On Sale
HK VP40 Slide Spider Grip Enhancer
ArachniGRIP
Now: $8.96Was: $19.87ArachniGRIP HK VP40 Slide Spider Grip Enhancer The Slide Spider is designed to assist new and practiced shooters alike, affected by weakened hand and/or grip strength, in operating the slide of their...HKP-18394Now: $8.96Was: $19.87 -
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...HKP-20524$2,389.95 -
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...HKP-19357$119.95