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 Trip Lever - Friction
H&K Heckler & Koch
Now: $22.95Was: $24.95H&K Trip Lever - Friction This is the older friction-style trigger pack found on older HK trigger packs and all HK registered sear packs.HKP-02393Now: $22.95Was: $24.95 -
Out Of Stock
HK Semi Auto Shelf, Hanger Block For Receiver
HKP HK Parts
$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...HKP-17572$13.95 -
On Sale
HK MP5K, SP5K Rear Push Pin Weldment Set
USA
Now: $12.95Was: $14.95HK MP5K, SP5K Rear Push Pin Weldment Set This weldment set is the 2 pieces needed for the rear of the flat/receiver that holds the stock/brace or end cap in place. CNC machined from weldable steel and the finest weldment available on the market...HKP-19632Now: $12.95Was: $14.95 -
On Sale
HK VP9, VP9SK, VP40 Firing Pin Return Spring
H&K Heckler & Koch
Now: $8.95Was: $9.95H&K VP9/VP9SK, VP40 Firing Pin Pressure Spring Compatible With: HK VP9/VP9SK HK VP9A1 F, VP9A1 K HK VP40HKP-16831Now: $8.95Was: $9.95 -
Out Of Stock
HK45, HK45 Compact, USP, USP Compact Control Latch
H&K Heckler & Koch
$16.95Control Latch Compatible With: 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 .45 ACP HK45, HK45 Tactical HK45 Compact, HK45C Tactical HK Tactical, Elite & Expert ModelsHKP-01174$16.95 -
On Sale
HK SL8, G36 Magazine Release Spring - US
GSG9
Now: $3.95Was: $4.95GSG9 Magazine Release Spring - USA Made for HK G36 and HK SL8 Mag release spring for all G36 and SL8 models. A must have spare part. Made in the USA. G36 G36K SL8 Other custom G36 type buildsHKP-18254Now: $3.95Was: $4.95 -
On Sale
HK MP5 Reverse Stretch Recoil Assembly - 9mm
Now: $32.95Was: $37.95Complete Recoil Rod Assembly For The MP5 Reverse Stretch New US made MP5 reverse stretch or MP5 Full size compact recoil rod assembly complete micro polished and built of the finest materials to make the finest US made recoil assembly available. All...HKP-16580Now: $32.95Was: $37.95 -
On Sale
HK P30, P30L, P2000 Catch
Now: $48.95Was: $53.95Catch - HK P30, P30L, P2000 New HK German Catch Assembly for all P Series of pistols. Compatible With: HK P30 HK P30L HK P30SK HK P2000 HK P2000SK Calibers P2000 - 9mm P2000 - .40 S&W P2000 - .357 SIG Please note: This is also the latch needed...HKP-15434Now: $48.95Was: $53.95 -
On Sale
HK USP Compact Recoil Rod Assemblies Snap Ring
H&K Heckler & Koch
Now: $6.95Was: $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 ...HKP-01944Now: $6.95Was: $7.95 -
On Sale
HK UMP, USC Firing Pin Spring
H&K Heckler & Koch
Now: $8.95Was: $9.95H&K UMP/USC (.40 S&W/.45 ACP/9mm) Firing Pin Spring This is a common wear and breakage item. This item also frequently becomes lost by end users when field stripping the UMP and USC Bolts. Compatible with: All HK UMP & USC FirearmsHKP-00262Now: $8.95Was: $9.95 -
On Sale
HK UMP, USC Magazine Release Spring
H&K Heckler & Koch
Now: $8.95Was: $9.95HK UMP & USC Magazine Release Spring HK German factory mag release spring for all USC and UMP mag releases. Compatible With: USC lowers UMP lowersHKP-01899Now: $8.95Was: $9.95 -
On Sale
HK91, G3, HK33, HK53, HK93 Paddle Mag Release Contact Piece
H&K Heckler & Koch
Now: $26.95Was: $29.95Heckler and Koch Contact Piece for Paddle Magazine Release 5.56 / .223 and 7.62x51 / .308 German HK manufacture. The contact piece is used in the magazine release assembly for the paddle mag release. Compatible With: HK33, HK53, HK93 HK91, G3, PTR91HKP-00465Now: $26.95Was: $29.95