Tiberius Arms M4 Front and Rear Site Combo Set Tactical Vests & Accessories This is a barrel tip

This is a barrel tip

Programmable Breech Delay with selectable Eye Process and (4) Eye Modes

Designed to fine tune the magnetic strength that affects the pressure applied to the ball stack

Adjustable Head Strap with silicon strips for secure fit

Tiberius Arms M4 Front and Rear Site Combo Set Tactical Vests & Accessories This is a barrel tipThe Tiberius Arms M4 Front and Rear Sites are all metal quality fixed sights for your weapon system. Front Site Specs: Adjustable Front Sight Quick realease thumb lock Square A2 post for precise elevation adjustments Fits most tactical rails Rear Site Specs: Adjustable Rear Sight Quick realease thumb lock Precision windage elevation adjustments Dual sight apertures Fits most tactical rails