Space: Shoot R: Reload S: Rack Press "SHOW" to enable a ammo counter and attachment customization If the temperature is too high there will be a high chance of it jamming to un-jam it simply rack the weapon by pressing "S"
The M1919 originally fired the .30 cal M1906 (30-06) ball cartridge, and later the .30 caliber M2 ball cartridge, contained in a woven cloth belt, feeding from left to right. A metal M1 link was later adopted, forming a "disintegrating" belt.