Bren is a mod that aims to adds high quality vanilla like guns, without making them just retextured bows.
This mod is an alternative to the overexaggerated gun mods that don't fit Minecraft

Features:

Machine Gun:

• Fast firing firearm
• Low damage (4.5 range damage)

Auto-Gun:

• Medium firing firearm
• Medium damage (6 range damage)

Rifle:

• Slow firing firearm
• High damage (10 range damage)

Shotgun:

• Close range firearm
• 3.75 range damage Per shrapnel (5 pieces)
• so 3.75 * 5 = 18,75 range damage if it all hits

Gunsmith:

the gunsmith is a new villager profession that sells items related to firearms,
if you want to craft any weapon in this mod you'll have to trade with him until you get the
"AutoLoader Contraption".
He can be found in a gunshop located in a village