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 G36K Rod and Spring - Gas Piston - Assembly
H&K Heckler & Koch
Now: $80.95Was: $89.95New HK German G36K Gas Piston Rod/Spring Assembly Great for spare parts or to use on that HK SL8-G36 conversion.Now: $80.95Was: $89.95 -
On Sale
HK Mark 23 Ejector Roll Pin
H&K Heckler & Koch
Now: $6.25Was: $6.95HK Mark 23 Ejector Roll Pin The Mark 23 has been discontinued, and spare parts will become limited in time, so stock up now while we have these hard-to-find parts available.Now: $6.25Was: $6.95 -
HK -6 Roller For Bolt Head 7.94mm - Under-sized
H&K Heckler & Koch
$27.95H&K -6 Roller For Bolt Head 7.94mm - Under-sized New HK German -6 roller that measures 7.94mm. For use with all HK 90 series firearms. Please Note: The price listed is per roller. Order 2 (pair) for a complete set for the bolt head. An easy way...$27.95 -
On Sale
HK45, HK45 Compact, USP Trigger Bar Detent
H&K Heckler & Koch
Now: $5.36Was: $5.95Trigger Bar Detent Compatible With: HK45, HK45 Tactical HK45C, HK45C Tactical HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact 9mm HK USP Compact .40 S&W HK USP Compact .357 SIG HK USP Compact .45 ACP All USP Tactical, Elite & Expert...Now: $5.36Was: $5.95 -
On Sale
HK Burst Eccentric Bushing
H&K Heckler & Koch
Now: $49.46Was: $54.95HK Burst Eccentric Bushing HK German factory part is found in all HK burst trigger packs. This part is in between the hammer shank hole and the inside of the trigger box hammer axle spacer. This part is one of the most common wear...Now: $49.46Was: $54.95 -
On Sale
HK P30SK, P2000SK Hammer Spring
H&K Heckler & Koch
Now: $8.96Was: $9.95HK German Hammer Spring This spring is used with LEM and all standard models. Compatible With: P2000SK P30SKNow: $8.96Was: $9.95 -
On Sale
HK USP 9mm, .40 S&W Recoil Rod Assembly
H&K Heckler & Koch
Now: $58.46Was: $64.95H&K HK USP 9mm/.40 S&W Recoil Rod Assembly New HK German USP full size USP 9/40 recoil assembly complete. A great spare part to have on hand as the recoil spring is a high-wear item. Compatible With: HK USP 9mm HK USP .40Now: $58.46Was: $64.95 -
On Sale
HK P7M8, P7M13 Detent - Gas Piston
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K HK P7M8/P7M13 Detent, Piston Compatible With: P7M8 P7M13Now: $8.96Was: $9.95 -
On Sale
HK VP9, VP9SK, VP40 Main Spring - Firing Pin
H&K Heckler & Koch
Now: $8.96Was: $9.95H&K HK VP9/VP9SK, VP40 Main Spring For Firing Pin German HK. Compatible With: VP9 VP9 Tactical VP9SK VP40 VP40 TacticalNow: $8.96Was: $9.95 -
On Sale
HK45, P30, P2000, USP Stop Disc - Recoil Spring
H&K Heckler & Koch
Now: $4.46Was: $4.95HK 45, P30, P2000, & USPC Recoil Spring Washer Retainer This disk supports and keeps the recoil spring centered and captive on the recoil rod itself. Compatible With: HK45, HK45 Tactical HK45 Compact, HK45 Compact Tactical USP Compact, USP...Now: $4.46Was: $4.95 -
On Sale
HK 416/417 Buffer Retainer
HK HAUS
Now: $8.96Was: $9.95HK 416/417 Buffer Retainer New HK USA manufacture for the HK 416 / 417 family of firearms. Made from stainless steel.Now: $8.96Was: $9.95 -
On Sale
HK UMP, G36 Sear Spring
H&K Heckler & Koch
Now: $8.05Was: $8.95HK UMP, USC, G36, & SL8 Sear Spring This part is used in conjunction with the sear in the trigger body of the lower.Now: $8.05Was: $8.95