Description: Attacks made with your chosen weapon are quite deadly.
Prerequisites
Description: Proficient with weapon, base attack bonus +8.
Benefits
When using the weapon you selected, your threat range is doubled.
Special
You can gain Improved Critical multiple times. The effects do not stack. Each time you take the feat, it applies to a new type of weapon.
This effect doesn't stack with any other effect that expands the threat range of a weapon.