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
HK416 MR556 Threaded Pin for Buttstock Insert
H&K Heckler & Koch
Now: $8.99Was: $9.99H&K HK MR556/416 Threaded Pin for E1/E2 Buttstock Release Lever Insert New HK German manufactured E1/E2 stock release and tightening screw that takes the slack and slop out of the stock when in desired position. Compatible With: HK MR556 HK 416Now: $8.99Was: $9.99 -
On Sale
HK G36, SL8 Pin - Axle - Cocking Handle - US
Now: $9.86Was: $10.95HK G36, SL8 Cocking Handle Axle Pin - US Made This is the rivet pin that is used to attach the swiveling cocking handle to the body of the carrier. These can be replaced as they break and wear. Compatible With: HK G36 models HK SL8 modelsNow: $9.86Was: $10.95 -
On Sale
HK UMP (.40 S&W/.45 ACP/9mm) Lower Release Lever For Hammer
H&K Heckler & Koch
Now: $8.96Was: $9.95HK UMP Catch Release Lever Or Trip Lever For All UMP LowersNow: $8.96Was: $9.95 -
On Sale
HK USC/UMP (.40 S&W) Extractor
H&K Heckler & Koch
Now: $49.46Was: $54.95HK German UMP Or USC .40 Extractor New HK German factory OEM part. This is a high wear and replacement item as the .40 cal cartridge has a high impulse that results in an increased occurrence of this extractor wearing out and breakage. A must-have...Now: $49.46Was: $54.95 -
On Sale
HK VP, P30, P2000 Backstrap Pin Punch
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K VP/P30/P2000 Backstrap Pin Punch Pin punch designed for removing and installing the backstrap pin on select H&K pistol models. Sized at 7/64", this tool ensures a proper fit without damaging the frame or pin. Compatible With HK VP9/VP9SK HK...Now: $8.96Was: $9.95 -
Out Of StockOn Sale
AR-15 Firing Pin - Enhanced
Tactical Precision MFG
Now: $11.96Was: $24.99TPM AR-15 Enhanced Firing Pin These AR-15 firing pins are precision machined using CNC Swiss turning centers. The titanium AR-15 firing pin is made from Grade 6 titanium which has an ultimate tensile strength of 140,000 psi. titanium is 40% lighter than...Now: $11.96Was: $24.99 -
On Sale
HK VP9, VP40 Grip Panel Right Side - Small - Black
H&K Heckler & Koch
Now: $17.05Was: $18.95H&K VP9, VP40 Grip Panel Right Side - Small - Black New HK German manufactured. Left 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: $17.05Was: $18.95 -
On Sale
HK P Series LEM Hammer
H&K Heckler & Koch
Now: $59.36Was: $65.95H&K HK P Series LEM Hammer Factory HK German hammer. Compatible With: HK P30 P30L P30SK HK P2000 P2000SKNow: $59.36Was: $65.95 -
On Sale
HK G36, SL8 Retaining Pin And O-Ring
H&K Heckler & Koch
Now: $10.75Was: $11.95Retaining Pin For Firing Pin Complete With O-Ring Compatible With: HK G36 HK SL8Now: $10.75Was: $11.95 -
On Sale
HK416, MR556, HK417, MR762 Handguard Locking Screw
H&K Heckler & Koch
Now: $15.25Was: $16.95HK416, MR556, HK417, MR762 - Handguard Locking Screw Replacement handguard locking screw that secures the handguard to the upper receiver. Compatible With: HK HK416 HK MR556 HK HK417 (2 required per handguard) HK MR762 (2 required per handguard)Now: $15.25Was: $16.95 -
On Sale
HK P30 Series Right Slide Release Lever
H&K Heckler & Koch
Now: $40.46Was: $44.95HK P30 Series Right Slide Release LeverNow: $40.46Was: $44.95 -
On Sale
HK416, HK417, MR556, MR762 Disconnector
H&K Heckler & Koch
Now: $17.05Was: $18.95H&K HK MR556/MR762/416/417 Disconnector For Lower New HK German manufactured part. This is the latest generation of HK disconnector for the HK MR and HK 416/417 family of firearms. Compatible With: HK MR556 HK 416 HK MR762 HK 417 Please Note: HK...Now: $17.05Was: $18.95