He eased the barrel into place and slid the subgun's bolt assembly back onto the grip.

Larry bent and picked up a bolt assembly from the linoleum kithen floor.

The safety was mounted on the rear of the bolt assembly.

The bolt assembly in the receiver is supported only on one side.

Depressing the trigger releases the bolt assembly, of which the firing pin is a component.

The belt is fed in two stages during both the forward and rear movement of the bolt assembly.

Most people switch the top cover with a military one or adjust the extractor spring tension under the bolt assembly.

Cartridge/calibre changes can be accomplished by the change of a bolt head or complete bolt assembly.

The receiver cover hinges at the front of the frame and latches onto the rear of the bolt assembly.

The yellow shows where the low pressure air is used in the bolt assembly.