The butt of a rifle or shotgun- the part that goes against your shoulder.
furnature, Stock, Forearm, Grips it depends on the gun you are asking about. Common work is Stock for most rifles and stock and for arm for most two part sections.
The stock...some have two piece wooden stocks - called fore stock and butt stock.
The part you hold onto.
The stock is the wooden or plastic part of the gun that is braced against the shoulder for firing.
It is called the "butt stock".
the answer is stock
I believe she hit him with the stock or butt of the gun
it is that part under the barrel that you hold it by. when you hold a shotgun one hand will be on the forward part of the stock directly behind the trigger and the other will be on the forearm or fore end as it is sometimes called.
The metal part that extends for some distance along the top of the butt stock is the receiver tang. There also may be a trigger guard tang which will extend from the rear of the trigger guard bow onto the bottom of the wrist of the butt stock.
the stock is what you use to hold the weapon by.
Chamber
Breach