Gearbox: eSilverEdge SDU2

Drop-in 2nd spring and additional spring housing design

95" Saddle Height Positions RMR® at the Correct Height for a Lower 1/3 Co-witness with Standard Height AR Iron Sights• Utilizes Locking Torx Screws and Square-shaped Integral Recoil Stops for a Secure Zero Hold• Significant Lightening Cuts Reduce Overall Weight and Bulk• Includes RMR® Mounting Screws and Installation Tools for a Simple and Friendly Installation

The ReadyAir is a high-pressure air pump that doesn't need oil or a liquid-filled radiator for cooling

R (Direct Optics Ready) and "Cal

HK Army HSTL Goggle Black training knife Gearbox: eSilverEdge SDU2HSTL Goggle System Composed of a robust blend of thermoplastic, the design of the HSTL face mask protects critical areas of the user, while still promoting supreme breathability and freedom of movement. The HSTL Goggle System features the quick change lens retention system which allows the player to replace their lens in seconds without the use of tools. Details Snap in place removable upper and lower goggle foam insert Optically correct high