Military grade barrel. Increases accuracy.
The item id for Military Barrel in unturned is 149. You can use this ID with the commands below to spawn the item, give it to a player or buy it on a modded economy server.
Size_X: 2
Size_Y: 1
Size_Z: 0.15
Calibers: 9
Caliber_0: 1
Caliber_1: 4
Caliber_2: 12
Caliber_3: 22
Caliber_4: 23
Caliber_5: 24
Caliber_6: 25
Caliber_7: 39
Caliber_8: 41
Spread: 0.6