TM 9-2320-386-10 2-14 f. Rifle Mount Kit. Key Item and Function 1 Catch assembly holds weapons safely in place for travel. Assembly is pulled out and up to free rifle when needed. 2 Stock brace holds stock of rifle in position for travel. g. Convoy Warning Light. Key Item and Function 3 Warning light illuminates and rotates when turned on. 4 Light switch turns warning light on/off. 2-4. SPECIAL PURPOSE KITS CONTROLS AND INDICATORS (Contd) 3 1 2 4