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This is the last flip cap you will ever need! Virtually indestructible, this cap will fit snugly on nearly all Vortex Optics® and features a snap flat spring that will keep your line of sight unobstructed.

Outside diameter: 48-53 mm | 1.89-2.08 inches

OBJECTIVE-44 FITS:
VIPER® PST VIPER® HS VIPER® HST DIAMONDBACK® HP CROSSFIRE® II
PST-210S1-A
PST-210S1-M
VHS-4305
VHS-4303
VHS-4308
VHS-4309
DBK-10019
DBK-10015
CF2-31015
CF2-31013