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 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 -
On Sale
HK VP9, VP9SK, HK VP40 Disconnector
H&K Heckler & Koch
Now: $17.95Was: $19.95Disconnector For HK VP9, VP40 Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40Now: $17.95Was: $19.95 -
On Sale
HK USP Spring Retainer - Front Recoil
H&K Heckler & Koch
Now: $13.46Was: $14.95H&K HK USP Recoil Spring Washer Retainer This is the tapered washer that supports and keeps the recoil spring centered and captive on the recoil rod itself. Compatible With: HK USP 9mm HK USP .40 HK USP .45 HK USP Tactical Models HK Elite, Expert,...Now: $13.46Was: $14.95 -
Out Of StockOn Sale
HK P2000, USP Compact Firing Pin - New Style
H&K Heckler & Koch
Now: $67.45Was: $74.95HK P2000/USPC New Style Firing Pin Compatible With: HK USP Compact 9mm HK USP Compact 40 S&W HK USP Compact 357 SIG HK USP Compact LEM HK P2000 9mm HK P2000 40 S&W HK P2000 357 SIG HK P2000SK 9mm HK P2000SK 40 S&W HK P2000SK 357 SIGNow: $67.45Was: $74.95 -
On Sale
HK VP9, VP9SK, HK VP40 Insert
H&K Heckler & Koch
Now: $22.45Was: $24.95H&K HK VP9/VP9SK, HK VP40 Insert Insert for HK VP9, VP40. Compatible With: HK VP9 HK VP9A1 F HK VP9A1 K HK VP9SK HK VP40Now: $22.45Was: $24.95 -
On Sale
HK UMP, USC Extractor - .45 ACP
H&K Heckler & Koch
Now: $44.96Was: $49.95New USC & UMP .45 Extractor - German Compatible with both the USC & UMP. Perfect for spares as they are prone to breakage and are a common wear item. Please Note: HK considers this a high wear and replacement item. Once it is removed from the...Now: $44.96Was: $49.95 -
Out Of StockOn Sale
HK G36 Front Sight Screw - Extended - Dual and Single Optics
USA
Now: $5.36Was: $5.95Single Optic Front Sight Screw - G36 - Extended This is a required part if you want to install either the dual or single optic. Compatible With: HK G36 HK SL8Now: $5.36Was: $5.95 -
On Sale
Now: $7.16Was: $7.95 -
On Sale
HK USP Slide Release Lever
H&K Heckler & Koch
Now: $53.96Was: $59.95HK USP Slide Release Lever Compatible With All USP Full Size Pistols & All USP Full Size Variants Below: USP 45 USP 40 USP 9mm USP Tactical (all calibers) USP Expert (all calibers) USP Elite (all calibers)Now: $53.96Was: $59.95 -
On Sale
HK USP Compact Right to Left Handed Control Lever V2, V6, V10
H&K Heckler & Koch
Now: $35.96Was: $39.95For Variant 2, 6, And 10 - Right Side Selector Lever For Left Handed Shooter The lever you need to swap right to left-handed Compatible With: HK USP Compact 9mm HK USP Compact .40 Cal / .357 Sig HK USP Compact .45 Cal HK USPC...Now: $35.96Was: $39.95