Tippmann BT Basic Training M4 Carbine RIS CQB Airsoft Gun Internal Marker Upgrades TECHT's o-ring configuration combined with

TECHT's o-ring configuration combined with even-flo face increase over all efficiency

closing dwell

Flip-up front and rear sights can be used as primary sights or as backups to aftermarket optics as well

Construction: high-density polythylene

Tippmann BT Basic Training M4 Carbine RIS CQB Airsoft Gun Internal Marker Upgrades TECHT's o-ring configuration combined withThe perfect Basic Training entry into Airsoft in a complete affordable package. BT M4 Carbine RIS offers an authentic look, lightweight construction and ergonomic design that sums up the best value choice for getting into the game of Airsoft. Features: Lightweight Construction Reinforced Polymer Body and Rail Flip up Front and Rear Sights Adjustable Stock Hi Cap 300 round Magazine 9. 6 Nimh Rechargeable Battery and Charger Included