Master Exploder

Explosive rifle challenge:

Rank 1: Buy a explosive rile from the gunsmith in Blackwater. Costs 5000 dollars.

Rank 2: Kill 5 enemies taking cover

Rank 3: Kill 3 enemies with a single shot

Rank 4: Kill 2 wild animals with a single shot

Rank 5: Obtain the U.S Army outfit and kill and enemy with the gun