Replace your old default weapon data with this new one :

$ M4				INSTANT_HIT	100.0 120.0	356	-1		5	rifle		30	 30		0.74 -0.05  0.13     0  0	0.45 0.9 	 6  8  6	 6  8  6  99	7011
$ M4				INSTANT_HIT	110.0 150.0	356	-1		5	rifle		30	 30		0.74 -0.05  0.13     1  50	0.65 1.1 	 6  8  6	 6  8  6  99	7011
$ M4				INSTANT_HIT	130.0 190.0	356	-1		5	rifle		30	 30		0.74 -0.05  0.13     2  999 0.80 1.1 	 6  8  6	 6  8  6  99	7031
