A setting tool (15; 100) for use in setting a bridge plug (200; 300) in a well bore, comprising: an upper cylinder (4; 104) containing an upper piston (3; 103); a lower cylinder (12; 113) containing an apparatus and a cylinder head (8; 108); a tandem connector (5; 105) connecting the upper cylinder (4; 104) with the lower cylinder (12; 113); the apparatus, comprising: a lower piston (6; 106), and a cylindrical solid piston rod (7; 107) having a first end adapted to interface with the lower piston (6; 106) by sliding into a bore of the lower piston (6; 106), the piston rod (7; 107) having a circumferential groove (26; 126) proximate to the first end and having a second end adapted to engage a crosslink (10; 110), wherein the lower piston (6; 106) is coupled to the piston rod (7; 107) and the circumferential groove (26; 126) is adapted to interface with the lower piston (6; 106) via a coupling means (20; 112), and wherein the upper piston (3; 103) and lower piston (6; 106) are hydraulically coupled together by the tandem connector (5;105); a setting mandrel (9; 109), fixed to the lower cylinder (12; 113) by the cylinder head (8; 108); a crosslink sleeve (11; 111) engaged to the crosslink (10; 110) by a crosslink retainer ring (13; 114); and a bridge plug (200; 300) interfaced with the crosslink sleeve (11; 111) by a setting sleeve (28; 210) of the bridge plug (200; 300), wherein, when gases generated by a power charge (1; 101) exert pressure on the upper piston (3; 103), the crosslink sleeve (11; 111) moves in relation to the setting mandrel (9; 109), which stays stationary relative to the lower cylinder (12; 113), whereby the setting sleeve (28; 201) of the attached plug bridge (200; 300) moves and causes the bridge plug (200; 300) to expand and set in the wellbore. an upper cylinder (4; 104) containing an upper piston (3; 103); a lower cylinder (12; 113) containing an apparatus and a cylinder head (8; 108); a tandem connector (5; 105) connecting the upper cylinder (4; 104) with the lower cylinder (12; 113); the apparatus, comprising: a lower piston (6; 106), and a cylindrical solid piston rod (7; 107) having a first end adapted to interface with the lower piston (6; 106) by sliding into a bore of the lower piston (6; 106), the piston rod (7; 107) having a circumferential groove (26; 126) proximate to the first end and having a second end adapted to engage a crosslink (10; 110), wherein the lower piston (6; 106) is coupled to the piston rod (7; 107) and the circumferential groove (26; 126) is adapted to interface with the lower piston (6; 106) via a coupling means (20; 112), and wherein the upper piston (3; 103) and lower piston (6; 106) are hydraulically coupled together by the tandem connector (5;105); a lower piston (6; 106), and a cylindrical solid piston rod (7; 107) having a first end adapted to interface with the lower piston (6; 106) by sliding into a bore of the lower piston (6; 106), the piston rod (7; 107) having a circumferential groove (26; 126) proximate to the first end and having a second end adapted to engage a crosslink (10; 110), wherein the lower piston (6; 106) is coupled to the piston rod (7; 107) and the circumferential groove (26; 126) is adapted to interface with the lower piston (6; 106) via a coupling means (20; 112), and wherein the upper piston (3; 103) and lower piston (6; 106) are hydraulically coupled together by the tandem connector (5;105); a setting mandrel (9; 109), fixed to the lower cylinder (12; 113) by the cylinder head (8; 108); a crosslink sleeve (11; 111) engaged to the crosslink (10; 110) by a crosslink retainer ring (13; 114); and a bridge plug (200; 300) interfaced with the crosslink sleeve (11; 111) by a setting sleeve (28; 210) of the bridge plug (200; 300), wherein, when gases generated by a power charge (1; 101) exert pressure on the upper piston (3; 103), the crosslink sleeve (11; 111) moves in relation to the setting mandrel (9; 109), which stays stationary relative to the lower cylinder (12; 113), whereby the setting sleeve (28; 201) of the attached plug bridge (200; 300) moves and causes the bridge plug (200; 300) to expand and set in the wellbore.