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.
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Out Of Stock
HK USP Compact LEM Block Spring - Firing Pin
H&K Heckler & Koch
$8.95H&K HK USPC LEM Firing Pin Block Spring Compatible With: HK USP Compact 9mm - LEM HK USP Compact 40 - LEM HK USP Compact 45 ACP - LEMHKP-16421$8.95 -
On Sale
HK G36 Hammer Spring - Left Side
H&K Heckler & Koch
Now: $7.95Was: $8.95HK G36 Left Side Lower Hammer SpringHKP-01856Now: $7.95Was: $8.95 -
On Sale
HK UMP, USC Bolt Catch Spring
H&K Heckler & Koch
Now: $7.95Was: $8.95HK UMP & USC Bolt Catch Spring Compatible With: HK UMP HK USCHKP-01900Now: $7.95Was: $8.95 -
HK33, HK53, HK93, HK91, G3 Bolt Locking Lever Axle Pin
H&K Heckler & Koch
$9.95HK Bolt Carrier Bolt Locking Lever Axle Pin - G3, 91, PTR & HK93, 33, 53 Brand new HK German bolt locking lever axle pin or cylinder pin for HK locking levers. Compatible With: G3, 91, PTR HK 93, 33, 53 HK21, 23, 11, 13 PSG1, MSG90HKP-17624$9.95 -
On Sale
HK91, G3, MP5 Sear Catch - Steel - New Build
H&K Heckler & Koch
Now: $62.95Was: $69.95Heckler & Koch's Sear Catch Release - Complete For HK 90 Series Trigger Packs New HK German manufacture. Sear/Catch complete with installed detent, spring, and roll pin. Compatible With: HK MP5, HK MP5K HK91 HK G3 HK33, HK53, HK93 PTR Other 90...HKP-01459Now: $62.95Was: $69.95 -
On Sale
HK VP9, VP9SK, VP40 Catch Cylindrical Pin
H&K Heckler & Koch
Now: $8.95Was: $9.95Cylindrical Pin For Catch VP9, VP40 Compatible With: HK VP9 HK VP9SK HK VP9A1 F, VP9A1 K HK VP40HKP-16802Now: $8.95Was: $9.95 -
On Sale
HK417, MR762 Magazine Catch
H&K Heckler & Koch
Now: $44.95Was: $49.95Heckler and Koch Magazine Catch for HK417 and HK MR762 This is the actual mag catch for the MR762 and HK417 family of firearms. A great spare to have on hand. Compatible With: HK417, MR762HKP-16681Now: $44.95Was: $49.95 -
On Sale
HK Mark 23 Recoil Assembly Compression Spring
H&K Heckler & Koch
Now: $17.95Was: $19.95Mark 23 Recoil Assembly Compression Spring Brand new HK German recoil spring for the HK Mark 23 or SOCOM .45 Pistol. A high wear item that needs to be changed & replaced often as this is a consumable part.HKP-16644Now: $17.95Was: $19.95 -
On Sale
Now: $9.95Was: $10.95 -
On Sale
HK USP, USP Tactical Lanyard Loop Insert - .45 ACP
H&K Heckler & Koch
Now: $17.95Was: $18.95HK USP/Tactical .45 ACP Lanyard Loop Insert This item does not have the lockout device installed for those who prefer not to have this device on their firearm.HKP-02385Now: $17.95Was: $18.95 -
On Sale
HK USP Hammer, Hammer Strut Roll Pin
H&K Heckler & Koch
Now: $4.95Was: $5.95HK USP Hammer, Hammer Strut Roll Pin This pin installs in the hammer and makes contact with the hammer strut.HKP-02268Now: $4.95Was: $5.95 -
On Sale
HK G36 Cocking Handle Bushing - USA
Now: $4.95Was: $5.95G36 Cocking Handle Bushing - US MadeHKP-18368Now: $4.95Was: $5.95