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: $62.96Was: $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...Now: $62.96Was: $69.95 -
$81.95 -
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...$109.95 -
Out Of StockOn Sale
HK416, MR556 Mag Catch - Ambi
H&K Heckler & Koch
Now: $83.66Was: $92.95H&K HK MR556, HK416 Mag Catch - Ambi Factory HK ambidextrous magazine catch/release. Compatible With: HK416 A5 HK MR556 A4 NOT compatible with earlier variants with single-side controlsNow: $83.66Was: $92.95 -
On Sale
HK45, HK45 Compact, USP, USP Compact LEM Hammer
H&K Heckler & Koch
Now: $62.96Was: $69.95HK USP, USPC, 45, & 45C LEM Hammer LEM Hammer Fits The Following HK Pistols: USP USPC HK45 HK45CNow: $62.96Was: $69.95 -
On Sale
HK417, MR762 Cartridge Extractor
H&K Heckler & Koch
Now: $85.45Was: $94.95H&K HK MR762/417 Cartridge Extractor Compatible With: HK MR762 HK 417Now: $85.45Was: $94.95 -
On Sale
HK (9mm) 4 Prong Pistol Flash Hider - Threaded 1/2x28
USA
Now: $67.45Was: $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...Now: $67.45Was: $74.95 -
Out Of StockOn Sale
HK VP9 Match Firing Pin - Complete
H&K Heckler & Koch
Now: $62.96Was: $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 VP9SKNow: $62.96Was: $69.95 -
On Sale
HK 23E/13E/G43 (7.62x51/.308) & (5.56/.223) Extractor
H&K Heckler & Koch
Now: $107.95Was: $119.95HK23E & HK13E Extractor New HK German and no longer in production. Compatible With: MM 23E HK 13ENow: $107.95Was: $119.95 -
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.Now: $98.95Was: $109.95 -
On Sale
HK416, MR556 Semi-Auto Hammer - Complete
H&K Heckler & Koch
Now: $97.16Was: $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...Now: $97.16Was: $107.95 -
On Sale
HK P30 .40 Complete Recoil Assembly
H&K Heckler & Koch
Now: $71.95Was: $79.95HK P30 .40 Cal Recoil Rod Assembly Complete A genuine German Heckler & Koch part. New Factory Fresh HK parts help the pistol function as it was designed. Compatible With: HK P30 .40 cal.Now: $71.95Was: $79.95