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 VP9SK Grip Panel Right Side - Medium - FDE
H&K Heckler & Koch
$16.95H&K VP9SK Right Side Grip Panel - Medium - FDE New HK German manufactured. Right side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18960$16.95 -
On Sale
HK P30, P30S Barrel - 9mm - 3.85" - Non-Threaded
RCM
Now: $164.95Was: $206.25RCM HK P30 & P30S 9mm Barrel - Non-Threaded Each barrel is meticulously crafted from ordnance-grade steel, heat-treated, and finished with a durable nitride coating. This is the finest replacement barrel for the HK P30 9mm pistol, ideal as...HKP-16687Now: $164.95Was: $206.25 -
On Sale
HK416, MR556 M-LOK Handguard with Overgrip - 11"
B&T Brugger & Thomet
Now: $249.95Was: $365.00B&T M-LOK Handguard OG for HK416/MR556 (11") with "Overgrip" Free-cut Top Rail B&T's one-piece 11-inch M-LOK handguard for the Heckler & Koch HK416 and civilian equivalent MR556 is an amazing improvement for the combat value of these rifles...HKP-20403Now: $249.95Was: $365.00 -
On Sale
Keymount Muzzle Brake - Threaded 5/8x24
Wasatch Arms
Now: $71.95Was: $89.95Wasatch Arms Keymount Muzzle Brake - Threaded 5/8x24 The Wasatch Arms keymount brake is compatible with the Dead Air keymount system. The brake has no outisde flats, so there is no need for timing shims or crush washers...HKP-20298Now: $71.95Was: $89.95 -
On Sale
HK VP9SK Grip Wrap for Large Backstraps - Rubber
Talon Grip
Now: $17.95Was: $19.99TALON Grip - H&K VP9SK - Rubber Black - Large Backstrap TALON grips are textured, stick-on gun grips that help you get a secure hold on your firearm improving performance, safety, and confidence so you maintain control. Installation is quick and easy...HKP-20231Now: $17.95Was: $19.99 -
On Sale
HK USC, UMP Bolt Carrier - Semi Auto - 9mm - Incomplete
Michaels Machines
Now: $449.95Was: $499.95HK UMP 9mm - Semi-Auto Bolt Stripped The semi-auto bolt is required for HK USC to HK UMP caliber conversions. The full-auto bolt carrier will not work in HK USC rifles. Features: Tungsten filled Heat treated Parkerized & polished Marked 9X19mm just...HKP-19871Now: $449.95Was: $499.95 -
Procomp AR Rifles Muzzle Brake - 7.62x51 / .308 - Threaded 5/8x24 RH
Surefire
$95.00Surefire Procomp AR Rifles (7.62x51/.308) Muzzle Brake - Threaded 5/8x24 RH The SureFire PROCOMP muzzle brake is designed for AR10/LR308 rifles and variants with 5/8x24 muzzle threads. It significantly reduces recoil impulse and features neutral porting...HKP-19486$95.00 -
Out Of Stock
HK P7 PSP Big Dot - DXT2 - Orange
XS Sights
$149.95DXT2 XS Big Dot Orange Night Sights - HK P7 PSP DXT2 Big Dot tritium night sight set designed for the HK P7 PSP. This configuration features a high-visibility orange front sight with a convex photoluminescent glow dot and a V-notch rear sight with...HKP-19281$149.95 -
On Sale
HK VP9 Holster - Warrior - RH
Comp-Tac
Now: $71.95Was: $79.95HK VP9 Warrior Holster - Right Hand The Warrior Holster design offers a stealth footprint, outside the waistband carry that is perfect for OWB concealment. Easily accessible, designed for a smooth, fast draw the Warrior's close fitting footprint can...HKP-17457Now: $71.95Was: $79.95 -
Out Of Stock
HK417, MR762 Enhanced Buffer Tube
H&K Heckler & Koch
$134.95H&K HK MR762/417 Enhanced Buffer Tube/Receiver Extension - Black Brand new factory HK German manufactured MR762, MR308, & HK 417 buffer tube. Compatible With: HK MR762 HK 417HKP-16770$134.95 -
HK USP Expert Bobbed Hammer
H&K Heckler & Koch
$29.95USP Expert Bobbed Hammer Old Style The USP Expert Hammer works with HK USP Expert variants. Compatible With: HK USP Expert 9mm HK USP Expert 40 HK USP Expert 45HKP-18198$29.95 -
On Sale
HK45, 45C , P30, 30L Holster - MTAC - LH
Comp-Tac
Now: $79.95Was: $94.95HK P30, P30L, HK45, HK45C MTAC Holster - Left Hand The MTAC is an inside the waistband Kydex and leather hybrid holster designed for concealed carry. Created to be worn behind the hip at 4:00 or 5:00, this holster offers the best in comfort and speed for...HKP-17463Now: $79.95Was: $94.95