As soon as I saw this I had to compare it with my own 0_0

Lets see...

Yours uses a different color scheme and overall dimensions, its a more uniform color while mine was made with a flurry of colors.

You used a log for a muzzle break and I didn't, in my honest opinion a log makes it look bulky in terms of relations and comparisons.

My interior is a little easier to move around in but I think yours is more accurate.

Man, I love doing comparisons!

amazing

Awesome!  The pistons on the interior were a smart idea!

I give the scaling a solid 10/10, historically accurate