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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Out Of Stock
HK MP5, MP5K Locking Piece - 100 Degree - Heckler and Koch
H&K Heckler & Koch
$89.95Heckler and Koch 100 Degree Locking Piece for HK MP5, HK MP5K, HK SP5, and HK SP5K The MP5 100-degree locking piece is the factory-correct locking piece for all HK MP5 and MP5K style firearms. Compatible With: MP5, MP5K HK SP5,...HKP-00134$89.95 -
HK VP9SK, P30SK Magazine - 9mm - 12 Round - Extended Floorplate
H&K Heckler & Koch
$54.95H&K HK 12 Round VP9SK/P30SK 9mm Extended Floorplate Magazine New factory HK 12 round magazine for VP9SK & P30SK 9mm. HK's magazine is made to their specifications and tolerances using high quality materials that provide perfect fit,...HKP-20604-M$54.95 -
Out Of Stock
HK MP5, SP5, MP5K, SP5K Magazine - 30 Round - 9mm - Bundesadler
H&K Heckler & Koch
$93.00Heckler and Koch 30 Round HK MP5 Bundesadler Magazine The Bundesadler laser-etched into a factory German H&K magazine. Heckler and Koch German magazine 9mm 30 round curved all steel magazine. German HK MP5, MP5K mags are the finest HK...HKP-20914$93.00 -
Out Of Stock
HK USPC, P2000, P2000SK Magazine - 9mm - 10 Round - Flat Floorplate
H&K Heckler & Koch
$49.00HK USPC, P2000 Magazine - Flat Floorplate - 9mm - 10 Round This HK Heckler and Koch magazine is must have addition for your firearm. Features: Flush or flat floor plate perfect for concealed carry Holds up to ten rounds Compatible With: HK USP Compact...HKP-01476$49.00 -
On Sale
HK Screw Set for HKP Rail Mount Compensator
HKP HK Parts
Now: $3.95Was: $4.95Replacement Screws for Rail Mount Compensator Replacement screw set for the HK Parts Rail Mount Compensators. This includes (2) screws. Compatible With: All HK Parts Rail Mount CompensatorsHKP-19674Now: $3.95Was: $4.95 -
HK VP9 Tactical Barrel - 9mm - 4.7" - Threaded 13.5x1 LH
H&K Heckler & Koch
$274.95H&K VP9 9mm Tactical Barrel - Threaded 13.5x1 LH Precision-made in Germany by HK from cold hammer forged (CHF) ordnance-grade steel, this is the finest threaded factory barrel available for the HK VP9 or VP9 Tactical pistol. Ideal as a spare or...HKP-17995$274.95 -
Out Of Stock
HK P2000 to HK P30, VP9 Magazine Adapter
X-Grip
$15.95X-Grip HK P2000 to P30/VP9 Magazine Adapter The XGRIP P2000 is a new patent pending OEM factory accessory for the HK P2000 that enhances the versatility, look, and feel of the gun. Features: Versatility: Size of a Compact, capacity of a Full-Size The...HKP-16670$15.95 -
On Sale
HK MP5K, SP5K, SP89 Stock or Brace Adapter with Picatinny Rail
JMAC Customs
Now: $84.95Was: $94.95JMAC Customs MP5K, SP5K, SP89 9mm Brace/Stock Adapter with Picatinny Rail This stock adapter allows you to attach any 1913 style stock, brace to your MP5K. The 1913 style stocks & braces lock in place and provide a better Cheek Weld than many...HKP-18990Now: $84.95Was: $94.95 -
On Sale
HK USP, P2000, HK45C Enhanced Magazine Release
HKP HK Parts
Now: $22.46Was: $44.95HKP Enhanced Magazine Release -HK USP, P2000, HK45C HK Parts Enhanced and Over-sized Magazine Release. The over-sized magazine release increases the overall surface area and makes it possible to release the magazine without changing the position of...HKP-21491-MNow: $22.46Was: $44.95 -
On Sale
HK Mark 23 Picatinny Rail Adapter - Gen 2
HKP HK Parts
Now: $79.95Was: $99.95HK Mark 23 Picatinny Rail Adapter (SOCOM) - Gen 2 The original Mark 23 rail adapter mount provides for a seamless attachment point of any tactical light, laser setup that attaches by way of a Picatinny rail. These units have been tested in the harshest...HKP-01470Now: $79.95Was: $99.95 -
On Sale
HK VP9, VP9L, VP9SK Night Sights - Suppressor Height - Orange
XS Sights
Now: $116.95Was: $137.95Minimalist Orange - HK VP9, VPL, VP9SK Optics Ready Suppressor - Tritium Night Sights - XS Sights XS Minimalist sights for HK VP9 OR (Optics Ready) pistols are regulated to be lower 1/3 co-witness on Trijicon RMR and Holosun 507 optics. The sights are...HKP-19407Now: $116.95Was: $137.95 -
HK German Recoil Guide Rod Rivet
H&K Heckler & Koch
$9.95H&K German Recoil Guide Rod Rivet This rivet holds the stop pin and recoil spring captive and in place to the recoil rod itself. The price is per rivet. New old stock HK German rivet. Compatible With: G3, 91, 33, 93, & 53 MP5, 94 MP5K SP89 HK21...HKP-01026$9.95