What is the 6.53 (.257) Scramjet?

The 6.53 (.257) Scramjet is a wildcat rifle cartridge in the Lazzeroni cartridge family, designed by John Lazzeroni.

What bullet diameter does the 6.53 (.257) Scramjet use?

The 6.53 (.257) Scramjet uses a bullet diameter of 0.257 inches.

The 6.53 (.257) Scramjet has a Rimless, Bottlenecked case type.

The 6.53 (.257) Scramjet uses a Large Rifle (.210") primer.

The Lazzeroni cartridge family includes the 6.53 (.257) Scramjet and other related cartridges. Browse the full family on OpenCartridge.

Rifle Wildcat

Dimensions (inches)

References

Ammo Ency. 6th Ed. p. 619

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