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
HK417, HK MR762 Threaded Pin for Buttstock Insert
H&K Heckler & Koch
Now: $4.45Was: $4.95H&K HK MR762/417 Threaded Pin For Buttstock Insert HK MR762, HK 417 threaded pin for the buttstock release lever insert. Compatible With: HK MR762 HK 417HKP-16609Now: $4.45Was: $4.95 -
On Sale
HK USPC LEM Trigger Bar - 9mm, .40 S&W
H&K Heckler & Koch
Now: $44.95Was: $49.95Heckler and Koch 9mm and .40 S&W LEM Trigger Bar for HK USPCHKP-16326Now: $44.95Was: $49.95 -
On Sale
HK P7M13 Magazine Follower
H&K Heckler & Koch
Now: $44.95Was: $49.95HK P7M13 Magazine Follower All steel construction, brand new HK German manufacture. Compatible With: HK P7M13 magazinesHKP-02364Now: $44.95Was: $49.95 -
On Sale
H45, KP30SK, P2000 Lockout Device Ball Bearing
H&K Heckler & Koch
Now: $4.45Was: $4.95HK 45, P30SK, & P2000 Lockout Device Ball Bearing Compatible With: HK45, HK45 Tactical HK45C, HK45C Tactical HK P30SK P2000 & P2000SKHKP-02273Now: $4.45Was: $4.95 -
On Sale
HK USP Complete Sear - Old Style
H&K Heckler & Koch
Now: $53.95Was: $59.95H&K HK USP Old Style Complete Sear This sear is specific to the USP 9mm-Old Style.HKP-16991Now: $53.95Was: $59.95 -
On Sale
HK416, MR556 Front Sight Roll Pin
H&K Heckler & Koch
Now: $4.45Was: $4.95Heckler and Koch Front Sight Roll Pin for HK416 and HK MR556HKP-02659Now: $4.45Was: $4.95 -
On Sale
HK UMP, USC Hammer Spring - Left
H&K Heckler & Koch
Now: $12.95Was: $13.95HK UMP & USC - Left Side Hammer Spring For All Lowers A high-wear item that needs to be changed when light firing pin strikes develop on your USC or UMP firearm. Compatible With: HK UMP models 45, .40, & 9mm. USC .45 and other conversion...HKP-01898Now: $12.95Was: $13.95 -
Out Of Stock
HK21 Carry Handle Axle Elbow Spring
HKP HK Parts
$11.95HK21 & 21E Carry Handle Axle Elbow Spring This part is needed and is used in conjunction with the actual carry handle, axle, axle spring, and (2) E-clips. This is the elbow spring portion of the needed part for the assembly.HKP-00578$11.95 -
On Sale
Now: $14.95Was: $16.95 -
On Sale
HK MP5, AP5 Magazine Catch Push Button
MKE
Now: $5.95Was: $6.95HK MP5, AP5 Magazine Catch Button Push button for magazine catchCompatible with: HK MP5, SP5 HK MP5K, SP5K HK SP89 HK94 HK33, HK53, HK93 HK91, G3 In-spec. clones and custom buildsHKP-22548Now: $5.95Was: $6.95 -
On Sale
HK CC9 Firing Pin
H&K Heckler & Koch
Now: $50.95Was: $55.95H&K CC9 Firing Pin Made in Germany by H&K, the firing pin for the CC9 pistol strikes the primer to ignite the cartridge. Compatible With: HK CC9HKP-22136Now: $50.95Was: $55.95 -
On Sale
HK P30SK, P2000SK Hammer Strut
H&K Heckler & Koch
Now: $16.95Was: $17.95Heckler and Koch Hammer Strut for HK P30SK, P2000SK Factory German HK hammer strut for the P30SK and P2000SK 9mm pistols. This OEM steel component installs in the rear grip frame and works with the hammer spring to drive the hammer forward during firing...HKP-02597Now: $16.95Was: $17.95