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 VP9, VP9SK, VP40 Polymer Support Sleeve
H&K Heckler & Koch
$8.95H&K HK VP9/VP9SK, VP40 Polymer Support Sleeve - Black New HK German VP9 & VP40 support sleeve made of polymer. A great replacement part to have on hand as they are easily marred when you depress the sleeve to access the firing pin or slide plate...HKP-16830$8.95 -
HK45, P30, USP, USP Compact, P2000 Hammer Spring
H&K Heckler & Koch
$9.95Hammer Spring This is the stock hammer spring for many P30 models and is used for the heavy TGS and heavy and light LEM conversions on the USP, USPC, P30 & HK45 models. Compatible With: USP Full Size LEM & V4 USP Compact LEM &...HKP-01804$9.95 -
HK UMP, USC Lower Locking Pin
H&K Heckler & Koch
$36.95HK German UMP Lower Locking Pin For use with all HK UMP lowers and USC to UMP conversions. New HK German manufacture.HKP-00595$36.95 -
Out Of Stock
HK G36, SL8 Front Sight Screw - Extended - Dual and Single Optics
USA
$5.95Single Optic Front Sight Screw - G36 - Extended This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8HKP-20894$5.95 -
HK G36, SL8 Firing Pin - All Variants
H&K Heckler & Koch
$59.95HK German G36/SL8 Firing Pin This is a great spare to have on hand. The firing pin fits all G36, G36K, G36C & SL8 variants. Compatible With: HK G36/G36K/G36C HK SL8HKP-00289$59.95 -
HK USP V2, V6, V10 LH Control Lever
H&K Heckler & Koch
$43.95New HK German USP Full Size Control Lever For Variants 2, 6, 10 A common item to convert the USP from a right-handed shooter to a left-handed operation. This is the control lever for the right side of the firearm for left-handed shooters. Compatible...HKP-01415$43.95 -
HK45 Series, USP Series Slide Plate
H&K Heckler & Koch
$9.95H&K HK USP Series/45 Series Slide Plate Compatible With: HK USP 9mm, USP .40 HK USP .45 HK USP Compact 9mm & .40 S&W HK USP Compact .45 ACP All HK Tactical Models HK Elite, Expert HK45C, HK45 HK45C Tactical, HK45 TacticalHKP-01177$9.95 -
HK416, MR556, MR762 Selector Lever Axle- Semi Auto
H&K Heckler & Koch
$44.95H&K HK MR556/MR762/416 Semi Auto Axle For Selector Lever HK German safe, semi selector axle for the MR 556 & HK 416 family of firearms. All steel construction. Compatible With: HK MR556 HK 416 HK MR762HKP-15433$44.95 -
HK VP9, VP9SK, VP40 Hex Button Quick Detach Slide Plate
HKP HK Parts
$34.95HKP HK VP9, VP9SK, VP40 Hex Button Quick Detach Slide Plate The HK Parts Quick Detach Slide Plate for the HK VP series of pistols is ideal for those that want the ability of quickly and efficiently access the firing pin, sleeve assembly. The quick...HKP-18111-M$34.95 -
Out Of Stock
HK USP Compact V1, V5, V9 Control Lever
H&K Heckler & Koch
$43.95H&K HK USPC V1/5/9 Control Lever This is the lever for the de-cock and safety functions for right-hand shooters (left side of frame). This lever will provide the safety and decock function if you have a Var 1,2 detent installed. This is the most...HKP-01412$43.95 -
HK416, MR556, HK417, MR762 Pistol Grip Screw
H&K Heckler & Koch
$9.95H&K HK MR556/MR762/416/417 Pistol Grip Screw This is the screw used to retail all battle grips/pistol grips on the HK and standard AR15 and M16 firearms. Compatible With: HK MR556 HK416 HK MR762 HK417HKP-02679$9.95 -
HK91, G3 Magazine Catch
H&K Heckler & Koch
$19.95G3 Magazine Catch High-quality HK German production units are brand-new. These also have the proper newer style cut in them and round shafts. Compatible With: HK G3 HK91 PTR91HKP-02073$19.95