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 MP5, SP5 Ejector Lever - 9mm - Gen 3
H&K Heckler & Koch
$64.95H&K Heckler & Koch's HK Ejector Lever - 9mm - Gen 3 - Latest 3rd Generation The German latest generation ejector has all of the upgrades and improvements made since the MP5 was introduced over 50 years ago. Fits all of the HK 9mm...HKP-00058$64.95 -
HK MP5, MP5K Extractor - 9mm
H&K Heckler & Koch
$79.95New HK German HK 9mm Extractor - Latest Generation This is the latest and greatest HK MP5 (newest F style version) German extractor. Each unit works with all HK MP5, HK94, HK MP5K, HK SP89, HK SP5K, or other 9mm clones. A great part to have as a spare or...HKP-00057$79.95 -
On Sale
HK P30, P2000 Short Reset System
Grayguns
Now: $80.95Was: $90.00Grayguns HK P30, P2000 Short Reset System Replicate Grayguns' custom in-house short reset conversion with a drop-in kit for your HK P2000 or P30 without a thumb safety. Cut from bar stock steel, these kits provide an exacting fit for easy install. The...HKP-19755Now: $80.95Was: $90.00 -
On Sale
HK USP, HK45 Short Reset System
Grayguns
Now: $80.95Was: $90.00Grayguns HK USP, HK45 Short Reset System This Short Reset System for the HK USP and HK45 replicates the short reset conversion available at Grayguns. Cut from bar stock steel, these kits provide an exacting fit for easy install. The kit shortens the...HKP-19753Now: $80.95Was: $90.00 -
Out Of Stock
HK416A5, MR556 A4 Bolt Catch, Release - Enhanced - Ambi
H&K Heckler & Koch
$64.95HK German Enhanced Ambidextrous HK416 A5 Bolt Release Factory HK ambidextrous magazine paddle catch/release. Compatible With: HK416A5 HK MR556 A4HKP-19463$64.95 -
On Sale
HK P30, P2000 Combat Defensive Action Upgrade For LEM 4.1 Pistols
H&K Heckler & Koch
Now: $80.95Was: $89.95H&K HK P Series Combat Defensive Action Upgrade For LEM 4.1 Pistols Found on all (European CDA) variant 4.1 models. This drop in LEM upgrade kit is a great trigger upgrade that reduces the trigger pre-travel by about 5mm or 1/3 of the original...HKP-17647Now: $80.95Was: $89.95 -
HK MP5, SP5K, HK94, SP89 Magazine Catch - 9mm - Latest Style
H&K Heckler & Koch
$64.95Heckler and Kock Magazine Catch Latest Style Genuine HK mag release for factory and clone firearms. This component often resolves issues with mags not locking into position on HK clones and builds. Constructed from a single piece of steel unlike the...HKP-00911$64.95 -
On Sale
HK P30, P2000 Short Reset System Thumb Safety
Grayguns
Now: $80.95Was: $90.00Grayguns Short Reset System Thumb Safety for HK P30 and HK P2000 Replicate Grayguns custom in-house short reset conversion with a drop-in kit for your HK P30 with thumb safety. Cut from bar stock steel, these kits provide an exacting fit for easy...HKP-19756Now: $80.95Was: $90.00 -
HK MP5, MP5K, HK94 Magazine Release Set
HKP HK Parts / Heckler & Koch
$94.95HKP and Heckler and Koch Complete Magazine Release Set for your 9mm HK MP5, HK MP5K, and HK94 - German or American Complete magazine paddle mag release kit that includes everything you need for the standard and paddle mag release on your HK 9mm...HKP-17569$94.95 -
Out Of Stock
HK USP Full Size Ambidextrous Control Lever Set
H&K Heckler & Koch
$117.95Ambidextrous Left & Right Side Control Lever Set. Genuine Heckler & Koch ambidextrous control lever kit includes left and right side control lever as well as the roll pin - everything that's needed for installation on all USP or USPC...HKP-00916$117.95 -
On Sale
HK MP5K, SP89, SP5K Recoil Rod Assembly
H&K Heckler & Koch
Now: $67.95Was: $74.95HK German MP5K, SP-89, SP5K Recoil Rod Assembly Complete The recoil spring assembly is a great item to have on hand for replacement and spares as this is a consumable wearable part. New factory German HK manufactured and just under 7" in length...HKP-00386Now: $67.95Was: $74.95 -
Out Of Stock
HK MP5, HK94 Recoil Rod Assembly
H&K Heckler & Koch
$69.95H&K MP5 & HK94 Recoil Rod Assembly HK German MP5 and HK94 recoil rod assemblies come complete with rod, spring, nylon rings, end caps, and rivets installed. This is a great item to have on hand as a spare part as this is a wear-and-tear...HKP-00132$69.95