this hand lever is breech. This is curved in shape and represents a con- ing an oblique abutment piece on the breech, is driven swung over to the left. When the gunner wishes to inward and held so. This closes a gap in the electric tinuation of the lower segment of the screw box when open the… … SAME GUN WITH BREECH OPEN. caused to operate and the gun is discharged. But if position the breech plug, which, when extracted, rests the breech plug has not been fully rotated, the bar will 45 degrees angle. When the proper travel is accom- upon it, can be pressed into or withdrawn from the not be…
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