Vfr-black Dark Earth There is no need to

There is no need to re-zero after changing batteries

- Vented tail cap reduces chance of gas buildup

- Ammo Type: Pellet

- Extended length measures 23-1/2"

- Objective Lens Diameter: 50mm

Vfr-black Dark Earth There is no need toThe VFR Versatile Quad Rail System for M4 allows wide versatility and modification options for optimal compatibility with individual operational needs. Features: Four 1913 Mil Spec Picatinny rails for versatile mounting options Side and under rail can be removed or repositioned on any of 7 positions Precision machined from 6061 T6 Billet aluminum for maximum durability Rugged construction will not bend or deform under any condition Field tested under