M777 Measurement

[retiredyank]

I am looking for either the wheel diameter or the barrel length in inches/feet, yards, or meters. I plan on building a scale replica, but cannot find a measurement outside of the caliber.

 

[Abraham Gubler]

I am looking for either the wheel diameter or the barrel length in inches/feet, yards, or meters. I plan on building a scale replica, but cannot find a measurement outside of the caliber.

The barrel from chamber to brake is 6,045mm long.