Small Parts
Explore our extensive selection of HK small parts at HKParts, perfect for repairs, upgrades, and custom builds. Our inventory includes high-quality, precision-machined replacement parts and maintenance kits designed for a wide range of HK models. Whether you need push pins, springs, or custom components, our HK-specific small parts ensure optimal performance and durability for your firearm.
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HK (9mm) 4 Prong Pistol Flash Hider - Threaded 1/2x28
USA
$74.95H&K (9mm) 4 Prong Pistol Flash Hider - Threaded 1/2x28 This flash hider enhances both the look and functionality of your firearm. Constructed from 4140 ordnance-grade steel, it is heat-treated and finished with a Melonite coating for...HKP-01965$74.95 -
HK416, MR556 Semi-Auto Hammer - Complete
H&K Heckler & Koch
$107.95H&K HK416, MR556 Semi-Auto Hammer - Complete Genuine German complete hammer and spring assembly. Includes: Semi-auto hammer Hammer spring Side bushing Compatible With: MR556A1 MR556 A4 HK416 AR-15 AR-15 style semi-auto firearms chambered in...HKP-02673$107.95 -
$7.95 -
HK UMP Paddle Mag Release - Extended - 9mm / .40 S&W / .45 ACP
HKP HK Parts
$34.95UMP Paddle Magazine Release - Extended Billeted alloy UMP magazine release. This is a very common repair & replacement part as they are fairly easy to break on the UMP lower. With this new metal mag release you get more surface area as well as a much...HKP-17919$34.95 -
HK33, HK53, HK93, HK91, G3 Anti-Rattle Mag Release
H&K Heckler & Koch
$64.95HK German Anti Rattle Paddle Magazine Release This item is a new H&K genuine part not used or surplus for installation on all HK .223 & .308 HK Rrifles. This is the highly desired anti-rattle-style paddle mag release. Compatible With: HK 91 HK...HKP-01126$64.95 -
Out Of Stock
HK VP9 Match Firing Pin - Complete
H&K Heckler & Koch
$69.95Heckler and Koch Complete Firing Pin for your VP9 Match Complete firing pin assembly including firing pin, sleeve, spring, and shell spring washers. Compatible With: HK VP9 Match HK VP9 HK HK VP9L HK VP9SKHKP-22320$69.95 -
Out Of Stock
HK G36, SL8 Roll Pin - Gas Piston
H&K Heckler & Koch
$9.95H&K HK G36, HK SL8 Roll Pin for Gas PistonHKP-16386$9.95 -
Out Of Stock
HK VP9SK Left Grip Panel w/ Thumb Rest - Medium - Black
H&K Heckler & Koch
$19.95H&K VP9SK Left Grip Panel w/ Thumb Rest - Medium - Black New HK German manufactured. Left side medium size with thumb rest perfect for spare or for custom stippling projects. Drop-in part for your HK VPSK pistol. Compatible With: HK VP9SKHKP-18632$19.95 -
HK VP9SK Grip Wrap for Small Backstraps - Rubber
Talon Grip
$19.99TALON Grip - H&K VP9SK - Rubber Black - Small 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-20260$19.99 -
HK VP9, VP40 Grip Panel Right Side - Small - FDE
H&K Heckler & Koch
$24.99H&K VP9, VP40 Grip Panel Right Side - Small - FDE New HK German manufactured. Right side, small size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40HKP-18115$24.99 -
HK417, MR762 Charging Handle Pin
H&K Heckler & Koch
$6.95H&K HK MR762/417 Charging Handle Pin HK MR762 & HK 417 Clamping Sleeve for plate on charging handle. There are two of these pins used on the charging handle. Compatible With: HK MR762 HK 417HKP-16754$6.95 -
HK Mark 23 Roll Pin Right Safety Lever
H&K Heckler & Koch
$7.95HK Mark 23 Roll Pin Right Safety Lever New HK German nickel plated 1.5 X 9mm roll pin to hold the right side of the selector lever to the axle of the left side control lever. Compatible With: HK Mark 23 HK SOCOM .45HKP-01813$7.95