Hunters must determine whether they will use a rifle, shotgun, or even a handgun while hunting large or small species. The barrels and ammunition used in shotguns, rifles, and handguns are the fundamental differences. Some hunters, however, believe that a 12 gauge has too much strength and prefer to use a 20 gauge for hunting small animals. Here is few best custom firearm for hunting: 

1.Ruger No. 1 Varminter K1-V-BBZ

2.Marlin 336XLR

3.Nosler M48 TGR 2010

4.Remington Model 798

5.Shilen DGV

6.Savage Model 12 F/TR

7.Sauer 202 Avantgarde Grande

8.Browning T-Bolt