How deep does a .44 Magnum penetrate Ballistic Gel 10%?

At the muzzle, a representative .44 Magnum load penetrates approximately 471 mm (18.5 inches) into ballistic gel 10%.

What is the impact energy of a .44 Magnum?

This .44 Magnum load carries about 1248 joules (920 ft-lb) at the muzzle.

Over-penetrates (19″ vs 18″ FBI maximum)

Penetration depth

471 mm (18.5″)

Impact velocity

400 m/s (1312 fps)

Muzzle energy

1248 J (920 ft-lb)

Bullet behaviour

Expanded

Fired at the muzzle, a representative .44 Magnum load (15.6 g, SP, 400 m/s) reaches roughly 471 mm (18.5 inches) into ballistic gel 10%.

10% ordnance gelatin is the FBI reference medium; 12–18 in (305–457 mm) is the accepted penetration window.