Step 1

Insert Barrel Assembly into main gun chamber. Main gun breech block closes to capture the device.

Step 2

Attach Receiver to Barrel Assembly and lock.

Step 3

Attach Trigger Assembly to Receiver.

Step 4

Install Anti-Roll/Counter Recoil Assist (ARCRA).

Step 5

Connect wiring harness to main gun firing circuit.

Step 6

Select Ammunition, M962 Slap-T, or M20 API-T, or other cal.50.

Step 7

Load selected round and lock the bolt.

Step 8

Aimtest is locked and ready to fire using the combat vehicle fire control system.