BT07 - Tac Cap
BT08-QK - Standard Hight AI-knob w QK01 Quick knob
BT23 - Atlas Ski Feet
BT10 - NC Atlas Bipod No Clamp
Atlas Bipod, Lever w/ADM 170S
BT20 - AAIS Rail Set
BT22 - Atlas 3” Leg Extensions
BT15