It had a 44 inch long .69 caliber barrel, a 56 inch stock, and a total length of 60 inches.

I sawed off the barrel of my Daisy and attached the .22 caliber barrel by friction fit.

A modified dual-purpose model with 55 caliber barrel suitable for anti-aircraft fire was planned but the project was stopped due to the war.

Self-propelled howitzer with a 52 caliber barrel, 800 hp diesel engine & gross weight of 35 tonnes.

Self-propelled howitzer with a 54 caliber barrel and apparently offered for export.

Also there were two twenty-foot concrete towers, from each of which the worrying snouts of big .50 caliber barrels followed our progress.

The 38 caliber barrel was a mid-length compromise between the previous United States standard 5"/51 low-angle gun and 5"/25 anti-aircraft gun.

Like all Model 1816 derivatives, the Model 1842 has a .69 caliber barrel that was 42 inches in length.

On 12 July 1912 the cartrigde-version with a 55 caliber barrel was approved.

The Pak 39 was an electrically fired weapon fitted with a semiautomatic breech mechanism and a 48 caliber barrel.