Original Mod for Fallout New Vegas
Ported & Rigged : ProgammerNetwork (deviantart)
Convert to dff : Bugsys0302

replace weapon.dat :

$ M4				INSTANT_HIT	40.0 90.0	356	-1		5	riflebad	50	 30		0.74 -0.04  0.13    0  0	0.45 0.9 	 6 10  7	 6 10  7  99	7001
$ M4				INSTANT_HIT	45.0 90.0	356	-1		5	rifle		55	 35		0.74 -0.04  0.13    1  200	0.65 1.0 	 6 10  7	 6 10  7  99	7011
$ M4				INSTANT_HIT	50.0 90.0	356	-1		5	rifle		60	 40		0.74 -0.04  0.13    2  999	0.80 1.1 	 6 10  7	 6 10  7  99	7031