Replace your default MP5 data line with this one :

$ MP5				INSTANT_HIT	135.0 140.0	353	-1		5	uzibad			32	 20		0.53 -0.01  0.13       0  0	0.75 1.1 	 9  10 8	 9  10 8  30	7001
$ MP5				INSTANT_HIT	110.0 105.0	353	-1		5	rifle			32	 20		0.53 -0.01  0.13       1  50	0.75 1.0 	 6  8  6	 6  8  6  30	7011
$ MP5				INSTANT_HIT	125.0 110.0	353	-1		5	rifle			32	 20		0.53 -0.01  0.13       2  999	1.2  1.5 	 6  8  6	 6  8  6  30	7031
