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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Out Of Stock
HK P30, HK45, USP Firing Pin Block - New Style
H&K Heckler & Koch
$16.95H&K USP/P30/HK45 New Style Firing Pin Block A factory Heckler and Koch part. Compatible With: HK USP 45, 40 & 9mm HK USP Tactical, Elite, Expert HK USP Compact 9mm, .40 & .45 HK USPC Tactical 9mm, .40 & .45 HK P30, P30L, P30S &...HKP-01285$16.95 -
HK Rear Sight Bearing
H&K Heckler & Koch
$1.99H&K Rear Sight Bearing Factory HK Part for all rear sight assemblies. This item is required for any HK diopter rear sight assemblies.HKP-00145$1.99 -
HK P30 Series Left Slide Release Shorty
H&K Heckler & Koch
$64.95HK P30 Series Left Slide Release Shorty This is the left side of the frame shorter slide release lever for the HK P30, P30L & P30SK version models. This shorter slide release lever is also the standard lever found on the P30S & P30SK models...HKP-02486$64.95 -
HK USP, USP Compact Trigger Spring
H&K Heckler & Koch
$5.95H&K HK USP/USPC Trigger Spring Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45 ACPHKP-01252$5.95 -
HK VP9, HK45, P30, P2000 Rubber Extractor Buffer
H&K Heckler & Koch
$5.95Heckler and Koch HK P Series and HK45 Rubber Extractor Buffer A must-have wear and replacement part for the following HK pistols. Compatible With: HK VP9, VP9SK HK VP9A1 F, VP9A1 K HK P2000, P2000SK HK P30, P30SK HK45, HK45 CompactHKP-01632$5.95 -
HK G3 Large Buffer Screw
H&K Heckler & Koch
$1.95HK G3 Large Buffer Screw This is the screw that screws in the back of the buffer. This is also needed to install the Magpul PRS2 stock. Used- in good, working condition.HKP-16981$1.95 -
HK VP9, VP40 Spring Bushing - Washer
H&K Heckler & Koch
$9.95H&K HK VP9, HK VP40 Half Shell Spring Washer 2 units needed for complete set. Brand new factory German HK. This item is the item that cradles the firing pin and is covered by the firing pin sleeve and spring assembly. Compatible With: HK VP9 HK...HKP-16832$9.95 -
HK USP, Mark 23 .45 ACP, P30 .40 S&W Magazine Spring - HK 10 Round
H&K Heckler & Koch
$6.95Heckler and Koch10 Round HK USP, Mark 23 .45 ACP, P30 .40 S&W Magazine Spring A must-have spare part, as magazine springs are prone to wear and tear. Compatible With: HK USP .45 ACP - 10 Round HK USP Tactical .45 ACP - 10 Round HK Mark 23 - 10...HKP-01675$6.95 -
Out Of Stock
HK MP5, MP5K Paddle Magazine Release - Anti-Rattle Roller Tipped - 9mm
HKP HK Parts
$49.47HKP HK Parts 9mm Anti-Rattle Roller Tipped Paddle Magazine Release for HK MP5 and MP5K Latest generation paddle mag release for all 9mm MP5, MP5K style builds. Made to the latest German specs, materials, and design. Compatible...HKP-17570$49.47 -
HK VP9, VP9SK, VP40 Clamping Sleeve For Drop Safety Axle
H&K Heckler & Koch
$6.95Clamping Sleeve For Drop Safety Axle VP9, VP9SK & VP40 This is the roll pin that goes in the side of the slide and retains the drop safety.HKP-16838$6.95 -
HK UMP Lower Locking Pin
HKP HK Parts
$12.95HK UMP Lower Locking Pin, Push Pin For use with all HK UMP lowers & USC to UMP conversions. Made in the USA. This is the pin that holds the lower to the receiver. Compatible With: UMP USC Conversions TBT builds Omega Other builds that...HKP-18580$12.95 -
HK416, MR556 Ejection Port Cover
H&K Heckler & Koch
$55.95H&K HK MR556/416 Ejection Port Cover HK manufactured newer polymer style cover assembly found on the latest HK 416 & MR556. This item can also be used on other AR15-style projects to enhance the project with the finest ejection port cover...HKP-15229$55.95