H&K Jet Funnel Kit for USP Full-Size — 9mm / .40 S&W

The H&K Jet Funnel Kit is an accessory for Heckler & Koch USP full-size pistols chambered in 9mm and .40 S&W. It installs as an enlarged magazine well to improve magazine presentation and speed up reloads in competitive or high-tempo shooting environments. Constructed of steel with a black finish, the kit is supplied as a complete magwell assembly. This product requires the use of dedicated jet funnel magazines designed for the system.

Key Specifications

• Compatible with full-size USP pistols chambered in 9mm and .40 S&W.
• Requires the use of jet funnel magazines: 9mm 18-round or .40 S&W 16-round.
• Constructed from STEEL for durability.
• Finished in BLACK to match factory aesthetics.
• Product type listed as Magwell for enlarged magazine well functionality.
• Overall listed dimensions are 1.20 X 4.90 X 5.30.
• Listed weight is 0.191.
• Finish style indicated as COMPLETE.
• Other feature: REQUIRES USE OF EXTENDED MAGS to operate as intended.

Purpose-built for shooters who prioritize efficient reloads and consistent magazine presentation, this H&K Jet Funnel Kit delivers a robust, factory-compatible magwell solution for USP full-size pistols. Its steel construction and straightforward design make it a practical upgrade for competition use and any application where reliable, repeatable reloads matter.