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 CC9 Slide Release Pin
H&K Heckler & Koch
$5.95H&K CC9 Slide Release Pin Genuine H&K CC9 slide release pin secures the slide release lever to the frame. Compatible With: HK CC9HKP-22121$5.95 -
HK CC9 Sear
H&K Heckler & Koch
$19.95H&K CC9 Sear Made in Germany, this sear for the CC9 pistol engages and releases the hammer during the firing cycle. Compatible With: HK CC9HKP-22116$19.95 -
HK91, G3, HK33, HK53, HK93 Paddle Magazine Release - Anti-Rattle - USED
H&K Heckler & Koch
$42.95Heckler and Koch Anti Rattle Paddle Magazine Release for HK91, HK G3s and HK33, HK53, HK93 - USED This is a used German anti-rattle paddle mag release for installation on all Heckler and Koch Firearms .223 and .308 rifles. Compatible With: HK91,...HKP-22061$42.95 -
Out Of Stock
HK P7 Series Disconnector, Sear Control Lever
H&K Heckler & Koch
$49.95HK P7 Series Disconnector, Sear Control Lever New HK German factory part. Compatible With: PSP P7M8 P7M10 P7M13HKP-01308$49.95 -
HK P30S Right Safety Lever
H&K Heckler & Koch
$49.95HK P30S, P30LS and P30SK(V3) Safety Lever With Axle- Right SideHKP-16757$49.95 -
$21.95 -
HK45, USP Compact Recoil Spring Guide Rod
H&K Heckler & Koch
$39.95HK USPC & HK45 Recoil Spring Guide Rod Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEM HK45HKP-01411$39.95 -
HK45, HK45 Compact, HK USP Series V7 LEM Hammer Axle
H&K Heckler & Koch
$49.95HK USP Series/45/45C V7 LEM Hammer Axle Compatible With: HK USP 45 HK USP 40 HK USP 9mm HK USP Compact 45 HK USP Compact 40 HK USP Compact 9mm HK USP Compact 357 HK45 HK45 CompactHKP-01929$49.95 -
HK G36 Piston Rod Plate
H&K Heckler & Koch
$7.95Heckler and Koch Piston Rod Plate for HK G36 Constructed from steel with a black finish, this factory original part from HK is manufactured in Germany and designed for HK G36 rifle models chambered in 5.56 / .223. The plate is part of the piston rod...HKP-01871$7.95 -
Out Of Stock
HK G36, SL8 Front Sight Screw - Dual and Single Optics - Extended
H&K Heckler & Koch
$9.95Dual/Single Optic Longer Front Sight Screw - HK German HK German manufacturer. This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8HKP-00801$9.95 -
HK MP5, AP5 Magazine Catch Push Button
MKE
$6.95HK MP5, AP5 Magazine Catch Button Push button for magazine catchCompatible with: HK MP5, SP5 HK MP5K, SP5K HK SP89 HK94 HK33, HK53, HK93 HK91, G3 In-spec. clones and custom buildsHKP-22548$6.95 -
HK91, G3, HK33, HK53, HK93 Paddle Magazine Release - Anti-Rattle
MKE
$32.95MKE Anti Rattle Paddle Magazine Release for HK91, HK G3s and HK33, HK53, HK93 Upgrade your rifle with MKE's anti-rattle style paddle mag release. Compatible With: HK91, G3 HK33, HK53, HK93 PSG1, MSG90 In-spec clones and custom buildsHKP-99348$32.95