Patent ID: 6981449

Claim:
A projectile launch assembly comprising: a launch tube having distal and proximal ends and an inwardly extending structure therebetween, the proximal end being adapted to receive a muzzle of a firearm; a receiver disposed on the distal end of the launch tube, said receiver having connector structure at a distal end thereof for connection to a projectile; an energy absorbing plug disposed in said launch tube and having a proximal end portion adjacent the dimple; and an energy transfer piston disposed in said launch tube and adjacent said plug and having a proximal end configured complementarily to said plug and having a distal end configured complementarily to a proximal end of said receiver; wherein a bullet fired from the firearm muzzle is absorbed by said plug which is thereby moved with said piston distally in said tube; wherein said piston engages said receiver to propel the assembly and the projectile from the firearm muzzle; and wherein the proximal end of said receiver is provided with a recess therein and the distal end of said piston is configured complementarily to the recess.