FORTIS REV™ II FREE FLOAT RAIL SYSTEM - 12" MLOK RNVGA Front and rear low-pro sights

Front and rear low-pro sights flip up to full sized sights

Compatible with V2/V3 Gearboxes by:

These chips carry all the improvements and features found on the eSilverEdge SDU ECU

13mm long for ultimate hair trigger feeling

The trigger is ultra light and fast which compliments well to the quick cycling slide

FORTIS REV™ II FREE FLOAT RAIL SYSTEM - 12" MLOK RNVGA Front and rear low-pro sightsThe Fortis REV II rail system is rugged, lightweight, free float rail system for most airsoft M4 guns setups. The REV II rail is installed with a standard barrel nut and offers 12 inches of continuous 1913 mil spec picatinny rail along the top of the rifle that feels and looks like a completely monolithic (one piece) upper. Anti rotation tabs integrated into the inside diameter of the rail system ensures that the rail stays locked in position and