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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On Sale
Sig Sauer ROMEO1PRO 6MOA Dot
Sig Sauer
Now: $299.95Was: $439.95Sig Sauer ROMEO1PRO 6MOA Dot The ROMEO1PRO brings a new level of durability and performance to the miniature open-reflex red dot sight. Its aircraft grade aluminum housing ensures corrosion resistance under the harshest environments, and a new...HKP-19719Now: $299.95Was: $439.95 -
Picatinny Optic Mount - Aimpoint T1 - Absolute Co-Witness
Aimpoint
$14.95Aimpoint - T1 Mount Absolute Co-Witness Features a machined recoil lug for consistent, repeatable mounting. Features: 6061 T6 aluminum Black anodized Machined recoil lug Compatible With: Aimpoint T1 / H1 Series optics Micro T-1 MIL-STD...HKP-19334$14.95 -
HK G36C, SL8 Flash Hider - 4 Prong - Threaded 15x1 RH
GSG9
$86.95GSG9 4 Prong Flash Hider - 15x1 RH Finest quality 4-prong flash hider that is threaded 15x1 right-hand twist (factory HK thread pitch). Perfect for the SL8, G36C, or other type of HK conversion. It also counts as one US-made part for 922R compliance...HKP-00631$86.95 -
HK VP9SK, P30SK Compensator - Rail Adapter
Comp Weight
$34.95Comp Weight™ Rail Adapter - VP9SK & P30SK The HK Parts Comp Weight™ rail adapter is designed to easily screw on to your quick detach Comp Weight™ by replacing the quick detach lever. This is designed to allow users to add a laser or...hkp-18901$34.95 -
B&T TP9, MP9, APC Magazine - 9mm - 20 Round - Translucent
B&T Brugger & Thomet
$65.00B&T 20 Round 9mm Magazine - Translucent Swiss B&T manufactured 20-round magazine for the 9mm TP9, MP9, and APC. Compatible With: B&T MP9, TP9 B&T APC9 B&T SPC9 B&T GHM9 B&T KH9 ***NOT compatible with models...HKP-17303$65.00 -
HK VP9SK Grip Panel Left Side - Medium
H&K Heckler & Koch
$19.95H&K VP9SK Left Side Grip Panel - Medium - Black New HK German manufactured. Left side medium size perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18298$19.95 -
HK MR762 Brass Catcher - Operator Model - FDE
TBR Tactical Brass Recovery
$229.95TBR HK MR762 Operator Brass Catcher - FDE Operator model for HK MR762 rifle. Slightly different from other AR platform rifles because the HK MR762 has a bit higher rail to bore centerline dimension. This 4 position detent feature allows 180 degrees of...HKP-19150$229.95 -
On Sale
HK VP9SK Compensator - Quick Detach - Brass
HKP HK Parts
Now: $119.95Was: $249.99HK VP9SK - Quick Detach Comp Weight™ / Compensator - Brass LIMITED EDITION! ONLY A SMALL NUMBER AVAILABLE The HK Parts VP9SK Comp Weight™ is the world's first quick detach Comp Weight™, compensator. That slides effortlessly onto your...HKP-18186Now: $119.95Was: $249.99 -
HK MP5 2-Stage Trigger Group - 10mm / .40 S&W - Complete
Timney Triggers
$478.95Timney Trigger group for MP5 .40 SEF Timney trigger group comes completely assembled and ready to drop in to your receiver. Set up with a German ejector lever, new SEF selector lever and a brand new factory German housing for the best trigger group...HKP-20514$478.95 -
Out Of StockOn Sale
HK MP5K Pistol Brace With Direct Fit Adapter - SBA4 - Gray
SB Tactical
Now: $269.95Was: $294.95SB Tactical HK MP5K SBA4 Pistol Stabilizing Brace & Adapter - Gray MP5K, SBA4 5-position adjustable brace features an integral ambidextrous QD sling socket for a quick install and removal sling attachment.This brace is the perfect addition for...HKP-20477Now: $269.95Was: $294.95 -
HKP Baseball Trucker Cap - Tan & Black
HKP HK Parts
$17.95HKP Baseball Trucker Cap - Tan & Black Get your hands on some of our premium hats! Official HKP merchandise 5" wide HKP logo Cotton twill Mesh back panels Plastic adjustable snap closure Size: OSFM Six-panelHKP-20457$17.95 -
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