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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HK45, HK45 Compact Ambidextrous Control Lever Kit
H&K Heckler & Koch
$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-01154$69.95 -
HK21 Cocking Handle - Extended Style
HKP HK Parts
$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-00363$69.95 -
HK P Series Cocking Piece LEM
H&K Heckler & Koch
$69.95HK P Series Cocking Piece LEM Compatible With: HK P30 HK P30L HK P30SK HK P2000 HK P2000SKHKP-01769$69.95 -
HK USP Compact Ambidextrous Control Lever Set
H&K Heckler & Koch
$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-01228$74.95 -
Out Of Stock
HK USP, USP Compact Match Hammer
H&K Heckler & Koch
$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-02602$103.95 -
HK USP Firing Pin - New Style
H&K Heckler & Koch
$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-01565$79.95 -
HK45, HK45 Compact, P2000, P2000SK Slim Slide Release Lever Set
H&K Heckler & Koch
$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-02388$89.95 -
Out Of Stock
HK USP 9mm, .40 S&W Complete Recoil Assembly
H&K Heckler & Koch
$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-01475$79.95 -
HK P30SK Slim Short Slide Release Lever Set
H&K Heckler & Koch
$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-18028$89.95 -
Out Of Stock
HK SP5K Mag Release Upgrade Kit - 9mm - Drop In Paddle
HKP HK Parts
$74.95HKP HK Parts Anti-Rattle Roller Tipped "Paddle" Magazine Release Install Kit for HK SP5K No modifications! No refinishing! Complete drop-in kit included. New USA made busing for a drop-in install kit for the HK SP5K. This kit will allow any end-user to...HKP-18192$74.95 -
HK416, MR556, HK417, MR762 Takedown Pin - Rear - A1 Style
H&K Heckler & Koch
$79.95H&K HK MR556/MR762/416/417 Rear Lower Receiver Locking Pin This is the rear takedown pin with ball detent and locking mechanism installed. The idea behind this type of system is to decrease the movement of the upper and lower receivers and improve...HKP-02672$79.95 -
HK91, G3, HK33, HK53 HK93 Tac Latch
$69.95HK Rifle Tac Latch for HK91, G3, HK93, and HK33 HK's were designed to have a quick one-handed release capability for the magazine (paddle mag release). However, the semi-auto versions eliminated this much-needed feature due to import restrictions...HKP-02791$69.95