Replace your default SPAS12 data line with this one :

$ SPAS12			INSTANT_HIT	135.0 140.0	351	-1		3	buddy		8	 15		0.75 -0.06  0.22    0  0	1.4  1.0 	 6 18  7	 6 18  7  35	7001
$ SPAS12			INSTANT_HIT	120.0 100.0	351	-1		3	rifle		8	 20		0.75 -0.06  0.22    1  200	1.8  1.0 	 6 13  7	 6 13  7  35	7011
$ SPAS12			INSTANT_HIT	140.0 140.0	351	-1		3	rifle		8	 50		0.75 -0.06  0.22    2  999	2.0  1.2 	 6 13  7	 6 13  7  35	7031
