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
HK91, G3, MP5 Sear Catch - Steel - New Build
H&K Heckler & Koch
Now: $62.95Was: $69.95Heckler & Koch's Sear Catch Release - Complete For HK 90 Series Trigger Packs New HK German manufacture. Sear/Catch complete with installed detent, spring, and roll pin. Compatible With: HK MP5, HK MP5K HK91 HK G3 HK33, HK53, HK93 PTR Other 90...HKP-01459Now: $62.95Was: $69.95 -
Out Of Stock
$69.95 -
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 -
HK P7M10 Extractor
H&K Heckler & Koch
$81.95Heckler and Koch HK P7M10 Extractor Compatible With: HK P7M8HKP-01999$81.95 -
On Sale
HK416, MR556, HK417, MR762 Sear Release Rocker Latch
H&K Heckler & Koch
Now: $89.95Was: $99.95H&K HK MR556/MR762/416/417 Sear Release Rocker Latch Compatible With: HK MR556 HK 416 HK MR762 HK 417HKP-12705Now: $89.95Was: $99.95 -
HK23E, HK13E Firing Pin
H&K Heckler & Koch
$109.95H&K 23E/13E (5.56/.223) Factory German Firing Pin New HK23E & HK13E factory German firing pin. These firing pins are no longer in production from HK. We have a limited number available and once they are gone, they are gone for good...HKP-00820$109.95 -
On Sale
HK417, MR762 Cartridge Extractor
H&K Heckler & Koch
Now: $85.95Was: $94.95H&K HK MR762/417 Cartridge Extractor Compatible With: HK MR762 HK 417HKP-16842Now: $85.95Was: $94.95 -
On Sale
HK45, HK45 Compact, USP, USP Compact LEM Hammer
H&K Heckler & Koch
Now: $68.95Was: $75.95Heckler and Koch HK USP, USP Compact, HK45, HK45 Compact LEM Hammer LEM (Law Enforcement Modification) hammer designed for compatible HK hammer-fired pistol platforms. Intended for use in LEM trigger configurations and suitable for maintenance,...HKP-02705Now: $68.95Was: $75.95 -
On Sale
HK VP9, USP, P30, P2000 4 Prong Pistol Flash Hider - 9mm - Threaded 1/2x28
USA
Now: $67.95Was: $74.95Heckler and Koch 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...HKP-01965Now: $67.95Was: $74.95 -
On Sale
HK416, MR556 Hammer, Complete - Semi Auto
H&K Heckler & Koch
Now: $97.95Was: $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-02673Now: $97.95Was: $107.95 -
On Sale
HK P30L .40 S&W Complete Recoil Assembly
H&K Heckler & Koch
Now: $98.95Was: $109.95HK P30L .40 S&W Complete Recoil Assembly A genuine German Heckler & Koch part. Spare recoil assemblies are a great help to keep the pistol functioning as it was designed. Compatible With: HK P30L .40.HKP-02436Now: $98.95Was: $109.95 -
HK MP5, AP5 Recoil Rod
MKE
$64.95MKE HK MP5, AP5 Steel Recoil Rod Turkish-made steel recoil rod for MP5-style firearms. OEM-quality part that replaces worn or bent recoil rods and is designed to help restore smooth cycling and proper bolt movement on 9mm MP5 and AP5 roller-delayed...HKP-99343$64.95