The utility model relates to an oil field perforation technical field, in particular to thin wall perforation rifle. This thin wall perforation rifle includes: the body of a gun has the boss on the pipe wall at body of a gun both ends, the arch of boss is extended to body of a gun intraduct, the boss is 60 -120mm along body of a gun length direction's length, the boss is 8.5 -11mm along the thickness of body of a gun wall thickness degree direction, body of a gun external diameter is 86 -127mm, and body of a gun pipe the thickness of the wall is 5.5 -8.5mm. The utility model provides a thin wall perforation rifle compares with prior art, and the thin wall perforation rifle wall thickness reduces, and the internal diameter increases, is favorable to improving the dress rifle height of burst, guarantees the perforator and wears dark effect. Thin wall perforation rifle need not to carry on blind hole, location processing again, has reduced the processing degree of difficulty, has reduced manufacturing procedure, has improved production efficiency, has practiced thrift manufacturing cost. Thin wall perforation rifle compares with the ordinary perforation rifle of the same external diameter and subtracts heavyly by 20%-35%, and weight reduces, the assembly operations of being convenient for, transportation.