NCR Service Rifle V2 is similar weapon M16/AR-10 also the weapon based on Fallout: New Vegas

M16 model taken from Manhunt
Edited by DirtyImpala (Me)

HOW TO INSTALL:
STEP 1:
Create the mod folder and put the file on "modloader" folder or Replace in "gta3.img".
Bonus: The HD Weapon Icons!

STEP 2:
Put the string lines on "weapon.dat" side down AK47 lines:

$ M4				INSTANT_HIT	40.0 90.0	356	-1		5	riflebad		30	 30		0.74 -0.04  0.13    0  0	0.45 0.9 	 6 9   6	 6 9   6  99	7001
$ M4				INSTANT_HIT	45.0 90.0	356	-1		5	rifle		30	 30		0.74 -0.04  0.13    1  200	0.65 1.0 	 6 9   6	 6 9   6  99	7011
$ M4				INSTANT_HIT	50.0 90.0	356	-1		5	rifle		30	 30		0.74 -0.04  0.13    2  999	0.80 1.1 	 6 9   6	 6 9   6  99	7031

OPTIONAL:
Weapon Sounds
You can put the "ncr" folder to "EarShot" folder, you need to download EarShot in this link first.
https://forum.mixmods.com.br/f267-scripts-codes/t7444-sa-asi-earshot

Now It's done, enjoy the mod :)