H&K USP Rail Adapter
The highest quality rail adaptor available - made specifically for your H&K USP! GG&G built, this hardware is precision machined of aluminum and will hold your Viridian (C Series, X5L Gen 1, or X5L Gen 2) rock solid below the barrel of your H&K USP.
Please specify "Compact" or "Full-Size" near the "Buy Now!" button.
****Due to high demand, this item currently has a backorder of 2 weeks.****