Depends on which .50 cal, and which cartidge. If you mean a Barrett Model 82A1 sniper rifle, in .50 BMG, standard ball ammo is ABOUT 2800 fps.
around 3500 fps
Gamo Hunter Extreme 1650 FPS - Air rifle .177 Cal Air Force TalonP 900 FPS air pistol .25 Cal Hatsan AT P1 Air Pistol .177 870 FPS The Air Force TalonP is faster in .25 Cal than the Hatsan .177 Cal
@ 4000 fps or so
In .22 cal it's rated at 1000 FPS
The M82 Barrett fires standard .50 BMG cartridges with a muzzle velocity of about 2799 feet per second. As with all bullets, they begin to slow after leaving the muzzle.
Pretty much ruins your life.
8550psi
50-175
No more than 50
50-500
50-300
50-150