DART actuators moving at different speeds

[Laxkief9098]

We are using to dart actuators to move a claw attachment up and down. Our problem is that these two actuators are moving at different speeds even though they are being given the same value in the program. They are being controlled by two talon SRX motor controllers on the CAN network. We cannot think of a reason why they would move at two different rates. Is there any way to fix this or should we try to control the SRX on the PWM and see it we can calibrate them?