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, PTR 91 Spare Parts Kit
Now: $134.95Was: $149.95HKP HK G3, HK 91, PTR 91 Spare Parts Kit Spare parts kits for the most commonly worn parts needed to keep your HK G3 going. This offering also includes a pouch to safely store all your replacement parts and needed tools to have on hand when required...Now: $134.95Was: $149.95 -
On Sale
HK45, HK45 Compact, USP, USP Compact New Style Hammer
H&K Heckler & Koch
Now: $50.36Was: $55.95H&K HK USP/USPC/45/45C New Style Hammer Will work for USP/USPC variants 1-4, 9 & 10. This part replaces the older HK hammer without the sear cutout (part #214825). Compatible With: HK USP 9mm HK USP .40 S&W HK USP .45 ACP HK USP Compact...Now: $50.36Was: $55.95 -
Out Of StockOn Sale
HK416, MR556 Magazine Catch
H&K Heckler & Koch
Now: $45.86Was: $50.95H&K HK MR556/416 Magazine Catch New HK German manufacture magazine catch for the HK 416 and MR556 family of firearms. Compatible With: HK MR556 HK 416Now: $45.86Was: $50.95 -
On Sale
HK VP9, VP9SK, VP9 Match, VP9 Tactical, VP40, VP40 Tactical Magazine Release/Catch
H&K Heckler & Koch
Now: $22.45Was: $24.95H&K HK VP9/VP9SK/VP9 Match/Tactical, HK VP40/Tactical Magazine Release/Catch New HK German manufacture. Compatible With: HK VP9, VP9 Tactical HK VP9SK HK VP40, VP40 TacticalNow: $22.45Was: $24.95 -
On Sale
HK416, MR556, HK417, MR762 Magazine Catch Spring
H&K Heckler & Koch
Now: $8.96Was: $9.95HK MR556, HK 416 & MR762 & 417 Magazine Catch Spring HK German manufacture. Compatible With: HK MR556 HK 416, M27 HK MR762 HK 417, G28 AR15, M4 & M16 firearmsNow: $8.96Was: $9.95 -
On Sale
HK VP9, VP40 Enhanced Support Sleeve - Black - BLEMISHED
HKP HK Parts
Now: $7.46Was: $19.95HKP HK VP9/VP40 Enhanced Support Sleeve COSMETICALLY BLEMISHED PARTS ARE FULLY FUNCTIONAL AND SOLD AS IS. THIS PART IS NOT ELIGIBLE FOR RETURN. ALL BLEMISHED PART SALES ARE FINAL. The support sleeve in the VP series pistols is a crucial component that...Now: $7.46Was: $19.95 -
Out Of StockOn Sale
HK Mark 23, SOCOM Firing Pin - Titanium
HKP HK Parts
Now: $39.96Was: $49.95Ultimate Firing Pin Mark 23, Socom - 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 -
On Sale
HK USP, USP Compact Lanyard Loop Insert
H&K Heckler & Koch
Now: $12.55Was: $13.95HK USP/USPC Lanyard Loop Insert Compatible With: HK USP 9mm HK USP .40 HK USP Compact 9mm HK USP Compact .40 / .357 HK USP Compact .45Now: $12.55Was: $13.95 -
On Sale
HK UMP, USC Firing Pin - Complete Assembly - .40 S&W / .45 ACP / 9mm
H&K Heckler & Koch
Now: $74.66Was: $82.95HK German USC & UMP Firing Pin Assembly Complete A great spare to have on hand as this item is a hard-to-find replacement part. Compatible With: USC 45 UMP 45 UMP 40 UMP 9mm ALL USC Conversions ALL UMP MG'sNow: $74.66Was: $82.95 -
Out Of StockOn Sale
HK Semi Auto Shelf, Hanger Block For Receiver
HKP HK Parts
Now: $11.16Was: $13.95HK Semi Auto Shelf Weldment, Hanger Block Weldment HK Semi Auto Shelf, Hanger Block to HK's factory specifications for c/p trigger housings. Weld on shelf that is the needed receiver block that welds to the rearward portion of the magwell to allow the...Now: $11.16Was: $13.95 -
On Sale
HK VP9, VP9SK, VP40 Trigger Bar
H&K Heckler & Koch
Now: $50.36Was: $55.95H&K HK VP9/VP9SK, HK VP40 Trigger Bar Compatible With: HK VP9 HK VP9SK HK VP40Now: $50.36Was: $55.95 -
On Sale
HK VP9, VP9SK, VP40 Left Side Slide Release Lever
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K HK VP9/VP9SK, VP40 Left Side Slide Release Lever - Black New HK VP series German left side slide release lever for slide. Compatible With: HK VP9, VP9L HK VP9SK HK VP9A1 F HK VP9A1 K HK VP40Now: $17.95Was: $19.95