No, it is prohibited by regulations. (Army Regulations 292.)
Should pieces be unloaded before being taken to quarters or tents?
Yes, unless it is otherwise ordered. They should also be unloaded as soon as the men using them are relieved from duty. (Army Regulations 292.)
Should a loaded or unloaded rifle or revolver ever be pointed at anyone in play?
No, under no circumstances whatsoever. A soldier should never point a rifle or revolver at a person unless he intends to shoot him.
Description
[1342]. Nomenclature of the rifle. The illustrations on this page and those on the two following pages give the nomenclature of the rifles, with which every soldier should be familiar.
Fig. 1