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 MR556 A4 Hammer - Incomplete - Semi-Auto
H&K Heckler & Koch
Now: $39.95Was: $43.95Heckler and Koch Hammer for HK MR556 Semi-Auto rifles Factory-original German steel hammer for MR556 A4 rifles. Designed as a direct replacement for worn or damaged hammers in MR556 A1 and A4 trigger assemblies. Compatible With: MR556A1 MR556...HKP-22384Now: $39.95Was: $43.95 -
On Sale
HK P7, P9 Firing Pin
H&K Heckler & Koch
Now: $71.95Was: $79.95H&K Firing Pin 9mm Short/7.65mm - HK P7/P9 Ensures reliable ignition by striking the cartridge primer during firing. Compatible With: HK P7/P9HKP-22231Now: $71.95Was: $79.95 -
On Sale
HK CC9 Disconnector Pin
H&K Heckler & Koch
Now: $4.95Was: $5.95H&K CC9 Disconnector Pin This H&K CC9 disconnector pin secures the disconnector within the fire control assembly for proper timing and function. Compatible With: HK CC9HKP-22118Now: $4.95Was: $5.95 -
On Sale
HK CC9 Disconnector
H&K Heckler & Koch
Now: $12.95Was: $13.95H&K CC9 Disconnector Made by H&K, this CC9 disconnector controls hammer release timing and prevents hammer follow during cycling. Compatible With: HK CC9HKP-22117Now: $12.95Was: $13.95 -
Out Of Stock
HK MP5, HK33, HK91 Take Down Pin - Push Button - Large
KNS Precision
$24.99KNS Precision HK Push Button Take Down Pin - Large .275" This 7mm (.275") diameter take-down pin has a spring-loaded push button. When the button is depressed, the stainless steel keeper detents retract for easy pin removal. The pin is designed to...HKP-21388$24.99 -
On Sale
HK VP9SK Locking Block Guide
H&K Heckler & Koch
Now: $162.95Was: $180.95H&K HK VP9SK Locking Block Guide Locking block guide complete, welded for frame on all HK VP9SK, VP40SK models. Compatible With: HK VP9SK HK VP40SK Does NOT fit the full size VP modelsHKP-18309Now: $162.95Was: $180.95 -
On Sale
HK417, MR762 Handguard Compression Spring
H&K Heckler & Koch
Now: $7.95Was: $8.95H&K HK MR762/417 Handguard Compression Spring Heckler & Koch compression spring for HK MR762 and HK 417 handguard Compatible With: HK MR 762 HK 417HKP-16796Now: $7.95Was: $8.95 -
On Sale
Now: $22.95Was: $24.95 -
HK P7 Series Cocking Lever Spring Roll Pin
H&K Heckler & Koch
$5.95HK P7 Series Cocking Lever Spring Roll Pin Compatible With: PSP P7M8 P7M10 P7M13HKP-01358$5.95 -
On Sale
Now: $9.95Was: $10.95 -
On Sale
HK P30S Left Safety Lever
H&K Heckler & Koch
Now: $17.95Was: $19.95H&K HK P30S Left Safety LeverHKP-16758Now: $17.95Was: $19.95 -
On Sale
HK P2000 Backstrap with Safety - Small - Black
H&K Heckler & Koch
Now: $37.95Was: $41.95H&K P2000 Backstrap w/ Safety - Small - Black Compatible With: HK P2000 9mm HK P2000 40 S&W HK P2000 357 SIGHKP-01564Now: $37.95Was: $41.95