In {HEAD ~ the apparatus}, a mounting mechanism and a bullet are provided inside an elongated conduit body wherein the bullet is detachably mounted to the mounting means, while {TAIL ~ the mounting mechanism} is fixedly attached to an inside wall of the elongated conduit body 
In { HEAD ~ the apparatus } , a mounting mechanism and a bullet are provided inside an elongated conduit body wherein the bullet is detachably mounted to the mounting means , while { TAIL ~ the mounting mechanism } is fixedly attached to an inside wall of the elongated conduit body
OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH