What is the 5.56 x 30mm Colt Mars?

The 5.56 x 30mm Colt Mars is a rifle cartridge, introduced in 1996.

What bullet diameter does the 5.56 x 30mm Colt Mars use?

The 5.56 x 30mm Colt Mars uses a bullet diameter of 0.224 inches.

The 5.56 x 30mm Colt Mars has a Rimless, Bottlenecked case type.

Rifle

Year	1996
Case Type	Rimless, Bottlenecked

Dimensions (inches)

Bullet Ø	0.224
Rim Ø	0.375

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Cartridges with the same bullet diameter (0.224")