Will a .44 Magnum Penetrate Drywall (Gypsum)?

Yes — defeats a 13 mm drywall (gypsum) barrier
Penetration depth
376 mm (14.8″)
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 376 mm (14.8 inches) into drywall (gypsum). That is enough to defeat a typical barrier of this material — treat anything behind it as exposed.

About Drywall (Gypsum)

One sheet of interior drywall is ~13 mm; a wall is two sheets and a gap.

.44 Magnum against other materials

MaterialDepth (mm)Depth (in)
Red Brick107 mm4.2″
Concrete58 mm2.3″
Tempered Glass15 mm0.6″
Steel A362 mm0.1″
Steel AR5001 mm0.0″
Run your own numbers in the calculator →

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