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
HK German -2 Locking Roller Standard 7.98mm - Used
H&K Heckler & Koch
Now: $8.96Was: $9.95HK German Locking Roller Standard 7.98mm - Used The proper roller size is essential for proper head spacing and bolt gap. Used German German-made -2 or 7.98mm roller, each roller is priced per roller. Used HK German. HK locking roller, -2, 7.98mm. HK...Now: $8.96Was: $9.95 -
On Sale
HK VP9, VP9SK, VP40 Firing Pin with Striker
H&K Heckler & Koch
Now: $53.96Was: $59.95H&K VP9/VP9SK, HK VP40 Firing Pin w/ Striker New HK German factory firing pin that fits all models of VP series pistols. Compatible With: HK VP9, VP9 Tactical, VP9L, VP9 OR HK VP9SK VP40, VP40 TacticalNow: $53.96Was: $59.95 -
On Sale
HK P30, P2000, USP Block Spring - Heavy Firing Pin
H&K Heckler & Koch
Now: $5.36Was: $5.95HK P2000 & P30 Heavy Firing Pin Block Spring This is the heavy LEM spring found on the LEM conversion. Compatible With: Any post-2005 production USP & UPSC P2000 P2000SK P30 P30SK Will fit the HK45 & HK45C modelsNow: $5.36Was: $5.95 -
On Sale
HK USP Compact Recoil Rod Assemblies Snap Ring
H&K Heckler & Koch
Now: $7.16Was: $7.95HK USPC Recoil Rod Assemblies Snap Ring A great item to have on hand as they are prone to falling off when doing scheduled maintenance and cleaning on the recoil assemblies. Compatible With: HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact ...Now: $7.16Was: $7.95 -
On Sale
HK VP9, VP40 Grip Panel Left Side - Small - Black
H&K Heckler & Koch
Now: $16.16Was: $17.95H&K VP9, VP40 Grip Panel Left Side - Small - Black New HK German manufactured. Left side size small perfect for spare or for custom stippling projects. Drop-in part for your HK VP pistol. Compatible With: HK VP9 HK VP40 HK VP9A1 F HK...Now: $16.16Was: $17.95 -
On Sale
HK21E, HK23E, HK11E, HK13E Hammer Spring
H&K Heckler & Koch
Now: $17.95Was: $19.95HK German HK21E, 23E, 11E & 13E Hammer Spring - German This is the heaviest HK hammer spring available for the roller lock family of firearms. The factory correct hammer spring for the beltfed series of firearms. Made in Germany and production has...Now: $17.95Was: $19.95 -
On Sale
Now: $8.05Was: $8.95 -
On Sale
HK VP9, VP40 Grip Panel Left Side - Medium - Black
H&K Heckler & Koch
Now: $16.16Was: $17.95H&K VP9, VP40 Grip Panel Left Side - Medium - 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 VP40 HK VP9A1 F HK VP9A1 KNow: $16.16Was: $17.95 -
On Sale
HK MP5 Magazine Release Lever Spring - 10mm and .40 S&W
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K MP5 40/10 Magazine Release Lever Spring The needed spring that fits in the mag release lever and the magwell for the MP5 40/10 series. Made in Germany and no longer offered or made. These units are the latest design with the ground ends for...Now: $8.96Was: $9.95 -
On Sale
HK MP5, MP5K, HK93, HK91 Handguard Retainer Screw - Tactical, Keymod, and M-LOK
PTR
Now: $4.46Was: $4.95PTR Tactical, Keymod & M-LOK, Retainer Handguard Screw This is the screw that is used on all the Tactical, Keymod, and M-LOK forearms (MP5K, MP5, HK93, HK91). A great spare to have in case the original screw gets lost.Now: $4.46Was: $4.95 -
On Sale
HK Pistol Trigger Axle
H&K Heckler & Koch
Now: $8.96Was: $9.95HK Pistol Trigger Axle Compatible With: HK USP 9mm .40 S&W .45 ACP HK USP Compact 9mm .40 S&W .357 SIG .45 ACP HK P30 HK P30L HK P30SK HK P2000 HK P2000SK HK45 HK45 CompactNow: $8.96Was: $9.95 -
Out Of StockOn Sale
HK45 Series, USP, USP Compact Series Complete Sear
H&K Heckler & Koch
Now: $39.56Was: $43.95Complete Sear Compatible With: HK USP Full-Size 9mm, .40 & 45 HK USP Compact 9mm, .40 & 45 HK45, HK45 Tactical HK45C, HK45C TacticalNow: $39.56Was: $43.95