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
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 Magazine Catch Retainer Ring
H&K Heckler & Koch
Now: $9.86Was: $10.95H&K HK 417/MR762 Magazine Catch Retainer Ring Compatible With: HK 417 HK MR762Now: $9.86Was: $10.95 -
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 -
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 -
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
HK45 Compact LEM Complete Conversion Kit
H&K Heckler & Koch
Now: $179.95Was: $199.95New HK German HK 45 Compact LEM Conversion Kit Complete For All HK 45 Compact Pistols Use factory installed trigger return spring for the light LEM (4.5-5.5lb) and the supplied heavy trigger return spring for the heavy LEM conversion. This LEM conversion...Now: $179.95Was: $199.95 -
HK45 Recoil Rod Absorber Bushing
H&K Heckler & Koch
$9.95HK 45 Recoil Rod Absorber Bushing This part is a common wear and replacement part and a must-have for spare parts. Compatible With: HK45 HK45 Tactical$9.95