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
-
On Sale
HK91, G3 Magazine Catch - Used
H&K Heckler & Koch
Now: $15.25Was: $16.95G3 Magazine Catch - HK 91, G3, PTR91 -.308/7.62 - USED The highest quality magazine catch available. High quality HK German production units are slightly used HK Parts from Heckler & Koch Germany. These also have the proper cut in them and do not...Now: $15.25Was: $16.95 -
On Sale
HK A3 Buttstock Clamping Lever Spring - Retractable
H&K Heckler & Koch
Now: $17.95Was: $19.95HK German Retractable Stock Clamping Lever Spring For A3 Retractable Stocks This spring is the most common breakage/wear item in the internal workings of the A3 retractable stock.Now: $17.95Was: $19.95 -
On Sale
HK VP9, VP40 Grip Panel Right Side - Medium - FDE
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K VP9, VP40 Grip Panel Right Side - Medium - FDE New HK German manufactured. Right side, medium size. Perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP9A1 F, VP9A1 K HK VP40Now: $17.95Was: $19.95 -
On Sale
HK417, MR762, G28 Spring - Ejection Cover Axle
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K HK MR762/417/G28 Ejection Cover Axle Spring New Hk German manufacture for the MR762 & HK 417 firearm. The spring is used on the axle and ejection port cover door to allow it to be closed and spring open. Compatible With: HK MR762 HK 417 HK...Now: $8.96Was: $9.95 -
On Sale
HKP HK MP5 40 Locking Roller +4
HKP HK Parts
Now: $9.56Was: $11.95HK US MP540 Undersized Locking Roller, +4 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need...Now: $9.56Was: $11.95 -
Out Of StockOn Sale
HK P7 Series Drop Safety Catch
H&K Heckler & Koch
Now: $61.16Was: $67.95HK P7 Series Drop Safety Catch Compatible With: P7 PSP P7M8 P7M10 P7M13Now: $61.16Was: $67.95 -
On Sale
HK SL8 Optic Screw - Adjusting - Dual and Single Optics
H&K Heckler & Koch
Now: $13.46Was: $14.95HK SL8 Dual and Single Adjusting Optic ScrewNow: $13.46Was: $14.95 -
On Sale
HK USC, SL8 Sight Support Spring
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K USC/SL8 (.45 ACP/5.56/.223) Rear Sight SpringNow: $8.96Was: $9.95 -
On Sale
HK UMP, USC Hammer Spring - Right - US
USA
Now: $8.96Was: $9.95HK UMP & USC Right Side Hammer Spring For Lowers - USANow: $8.96Was: $9.95 -
Out Of StockOn Sale
HK SL8, G36 Top Rail Screw
H&K Heckler & Koch
Now: $13.46Was: $14.95HK SL8 & G36 Top Rail Screw This rail screw is the standard length rail screw used for all SL8 and G36 top rails. With the exception of the dual and single option models. A must have part and an easy part to loose or strip. Grab yours to have...Now: $13.46Was: $14.95 -
On Sale
HKP HK MP5 40 Locking Roller -4
HKP HK Parts
Now: $9.56Was: $11.95HK US MP540 Undersized Locking Roller, -4 The proper roller size is essential for proper headspacing of bolt gap. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way to remember the size you need...Now: $9.56Was: $11.95 -
On Sale
HK 45, 45T Firing Pin - Titanium
HKP HK Parts
Now: $39.96Was: $49.95Firing Pin HK45 & HK45 Tactical - Titanium - Grade 6 A solid billet CNC offering at 40+% lighter than comparable steel firing pins. Our titanium firing pins travel faster in the slide, delivering a quicker lock time & enhancing accuracy. Titanium...Now: $39.96Was: $49.95