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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On Sale
HK MP5, MP5K, AP5 Replacement Kit - Firing Pin and Spring
MKE
Now: $16.95Was: $19.95MKE HK MP5, MP5K, AP5 Steel Firing Pin and Spring Replacement Kit Replacement steel firing pin and spring kit for HK MP5 platforms. Direct-fit parts for repairing or replacing worn firing components in MP5-style bolt assemblies. Includes: Firing...Now: $16.95Was: $19.95 -
HK VP, P30, P2000 Backstrap Pin Punch
H&K Heckler & Koch
$9.95H&K VP/P30/P2000 Backstrap Pin Punch Pin punch designed for removing and installing the backstrap pin on select H&K pistol models. Sized at 7/64", this tool ensures a proper fit without damaging the frame or pin. Compatible With HK VP9/VP9SK HK...$9.95 -
HK VP9, VP9SK, VP40 Hex Button Quick Detach Slide Plate
HKP HK Parts
$34.95HKP HK VP9/VP9SK, VP40 Hex Button Quick Detach Slide Plate The HK Parts Quick Detach Slide Plate for the HK VP series of pistols is ideal for those that want the ability of quickly and efficiently access the firing pin, sleeve assembly. The quick...$34.95 -
HK USP, USP Compact .45 ACP New Style Extractor
H&K Heckler & Koch
$59.95New Style Extractor New HK German part with red loaded chamber indicator. Compatible with: USP 45, USP 45 Tactical USP Compact .45, USPC .45 Tactical USP Expert$59.95 -
HK416, MR556, HK417, MR762 Pistol Grip Screw
H&K Heckler & Koch
$9.95H&K HK MR556/MR762/416/417 Pistol Grip Screw This is the screw used to retail all battle grips/pistol grips on the HK and standard AR15 and M16 firearms. Compatible With: HK MR556 HK416 HK MR762 HK417$9.95 -
HK416, MR556 Ejector Retaining Pin
H&K Heckler & Koch
$6.95H&K HK MR556/416 Ejector Retaining Pin This factory HK German part is the pin that holds the ejector in place on the bolt head. Great to have as a spare part. Compatible With: HK MR556 HK 416$6.95 -
HK MP5 Barrel Retaining Pin - 5.015mm
H&K Heckler & Koch
$14.95H&K 90 Series Barrel Retaining Pin - 5.015mm Each barrel pin is used for installing a new or replacement barrel. HK suggests using a new factory barrel pin when installing or reinstalling an HK barrel. Compatible With: HK MP5, SP5, MP5K,...$14.95 -
HK VP9, VP40 Disassembly Lever
H&K Heckler & Koch
$24.95Disassembly Lever VP9 & VP40 New HK German VP9, VP40 take down lever. This is the lever that is designed to take the remove the slide from the frame. All steel manufacture. Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP40$24.95 -
Out Of Stock
HK416, MR556, MR762 Fire Control Detent Stop Pin
H&K Heckler & Koch
$20.95H&K HK MR556/MR762/416 Fire Control Detent Stop Pin HK German manufacture. Compatible With: HK MR556 HK416 HK MR762$20.95 -
HK UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch Pin
H&K Heckler & Koch
$5.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Bolt Catch Pin$5.95 -
HK Mark 23 Firing Pin Block Spring
H&K Heckler & Koch
$9.99HK Mark 23 Firing Pin Block Spring Compatible With: Mark 23 Socom .45$9.99 -
HK Mark 23, SOCOM Firing Pin Block
H&K Heckler & Koch
$35.95Heckler and Koch Firing Pin Block for Mark 23 and SOCOM This is the real deal and it is plated in nickel and made for the HK Mark 23 and SOCOM models. Compatible With: HK Mark 23 SOCOM Models$35.95