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 MP5, MP5K Magazine Release Set - 4 Piece
HKP HK Parts
$79.95HKP HK Parts 4-Piece Magazine Release Set for HK MP5 and HK MP5K Each magazine catch set consists of 4 pieces and is a mixture of HK Germany and USA made parts. This is the set that provides left-to-right mag release controls. Each Set Includes: Mag...HKP-00912$79.95 -
On Sale
HK USP, USP Tactical, USP Expert Complete Recoil Assembly
H&K Heckler & Koch
Now: $85.95Was: $94.95H&K HK USP/ Tactical/ Expert Complete Recoil Assembly Brand new factory German manufacture. Compatible With: HK USP 45 Tactical HK USP 45 Expert HK USP 45 Elite Tech Note: The USP Tactical recoil assembly can be used in a standard USP 45 without...HKP-01160Now: $85.95Was: $94.95 -
On Sale
HK P30, P2000 Short Reset System - LEM 4.1
Grayguns
Now: $76.95Was: $90.00Grayguns HK P30, P2000 Short Reset System 4.1 Trigger 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...HKP-19754Now: $76.95Was: $90.00 -
On Sale
HK45, HK45 Compact Ambidextrous Control Lever Kit
H&K Heckler & Koch
Now: $62.95Was: $69.95Factory HK German Genuine HK45 & HK45C Ambidextrous Control Lever Kit A must-have upgrade for those who would like to have the ability of both left and right side control levers. Hard to find, easy to install as this is a drop-in part - no...HKP-01154Now: $62.95Was: $69.95 -
On Sale
HK21 Cocking Handle - Extended Style
HKP HK Parts
Now: $62.95Was: $69.95HK Extended Cocking Handle - HK21 Rubberized extended cocking handles for the older style HK21 firearms. This extended cocking handle makes a HUGE difference when trying to charge the HK21 firearm, as it has increased spring pressure and can be a pain to...HKP-00363Now: $62.95Was: $69.95 -
On Sale
HK P Series Cocking Piece LEM
H&K Heckler & Koch
Now: $62.95Was: $69.95HK P Series Cocking Piece LEM Compatible With: HK P30 HK P30L HK P30SK HK P2000 HK P2000SKHKP-01769Now: $62.95Was: $69.95 -
On Sale
HK USP Compact Ambidextrous Control Lever Set
H&K Heckler & Koch
Now: $67.95Was: $74.95H&K HK USP Compact Ambidextrous Control Lever Set Includes left and right side control lever as well as the spring pin. This item can be installed on either full-size or compact pistols. The USPC Ambi set has a slightly lower profile for those who...HKP-01228Now: $67.95Was: $74.95 -
On Sale
HK USP, USP Compact Match Hammer
H&K Heckler & Koch
Now: $93.95Was: $103.95HK Match Hammer This is the factory-correct match hammer marked with the factory-correct "S" marking on the left-hand side of the hammer. Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W...HKP-02602Now: $93.95Was: $103.95 -
On Sale
HK USP Firing Pin - New Style
H&K Heckler & Koch
Now: $71.95Was: $79.95HK USP New Style Firing Pin A must-have spare and replacement part for your HK pistol, as the firing pin is one of the most important spare parts to have on hand. Brand new HK German manufactured. Compatible with: HK USP 9mm HK USP 40 Cal HK USP .45 All...HKP-01565Now: $71.95Was: $79.95 -
On Sale
HK45, HK45 Compact, P2000, P2000SK Slim Slide Release Lever Set
H&K Heckler & Koch
Now: $80.95Was: $89.95HK P2000, P2000SK, 45 & 45C Slim Slide Release Lever Set This set provides a lower profile slide release for those who conceal carry or ride the slide and prefer a lower profile slide release. Factory Standard Slide Release Lever: Left...HKP-02388Now: $80.95Was: $89.95 -
On Sale
HK USP 9mm, .40 S&W Complete Recoil Assembly
H&K Heckler & Koch
Now: $71.95Was: $79.95New HK USP 9mm & .40 Cal Tactical Recoil Spring With Buffer Assembly - Complete This is a great spare or replacement item to have on hand, it is the factory OEM HK part for Tactical models. Each recoil rod assembly was designed to be used for heavy...HKP-01475Now: $71.95Was: $79.95 -
On Sale
HK P30SK Slim Short Slide Release Lever Set
H&K Heckler & Koch
Now: $80.95Was: $89.95HK P30SK Slim/Short Slide Release Lever - German HK HK manufactured P30SK slimline style slide release set. This set replaces the factory P30SK stock slide release set that comes from the factory. The slim style set is shorter and thinner in design for...HKP-18028Now: $80.95Was: $89.95