Video Description:

!!!MUST READ!!!

Step 1: Find a Weapon u wish to duplicate
Step 2: Perform the Duplication (Hold LT Then Press RT Then Press Y Quickly)
Step 3: Sell Your Duplicated Weapons for Cash and do it as much as You Want
Step 4: Like if This Helped

A little tip the best weapon to sell is the Home Run Baseball Bat because its sells for 3,000

THIS GLITCH WORK ONLINE AND OFF (PRETTY SURE PS3 & XBOX ASWELL)

And I dont take Credit for finding this Glitch, I just got the game and a friend told me about it so i thought i'd record it

If this does not work for you leave a comment and i well help (but it should)