turns Eagle heavy into a higher max ammo and lower damage version

*damage decreased to 68 from 98
*magazine size increased to 35 from 30
*max ammo increased to 150 from 100
*lowest ammo pick-up increased to 4.2 from 3
*highest ammo pick-up increased to 8.3 from 4.5
*concealment increased to 19 from 8
*recoil increased to 52 from 44