Gunsmith

You gain the following benefits:

Tool Proficiency. You gain proficiency with tinker's tools, smith's tools, and glassblower's tools.

Bayonet Assembly. Using tinker's tools, you can spend 8 hours and 25 gp worth of materials to construct and secure a bayonet assembly to the barrel of a musket, hunting rifle, or other firearm with the two-handed property. You can take the Use an Object action to attach a dagger or shortsword to the bayonet assembly of a firearm allowing the firearm to be used as a melee weapon in addition to being used as a ranged weapon.

A firearm has the following features when a bayonet is attached and is being used as a melee weapon:

• The weapon uses the same modifiers for attack and damage rolls that would normally apply to the attached dagger or shortsword.
• The weapon does not gain the light or thrown properties of the attached dagger or shortsword.
• The weapon gains the reach property.
• The weapon is considered a pike for any prerequisite or effect that requires a pike.

Silencer. Using smith's tools, you can spend 8 hours and 15 gp worth of materials to construct a silencer. You can take the Use an Object action to attach a silencer to the muzzle of a modern firearm. When a silencer is attached to a modern firearm, the distance to which the weapon's sound can travel is reduced to a 15-foot radius sphere centered on the firearm.

Sniperscope. Using glassblower's tools, you can spend 8 hours and 50 gp worth of materials to construct a sniperscope. You can take the Use an Object action to attach a sniperscope to a firearm with the two-handed property.

When a sniperscope is attached to a firearm you are proficient with, it has the following features:

• The range of the weapon is doubled.
• Attacking at long range doesn't impose disadvantage on ranged attack rolls made with the weapon.
• Your ranged attacks with the weapon ignore half cover and three-quarters cover.

Firearms & Ammunition. You can use tinker's tools to craft bullets and smith's tools to craft firearms for half the usual gold, in a quarter of the normal time (see "Crafting an Item" in Xanathar’s Guide to Everything). The weapon and ammo costs detailed below replace those presented in the Dungeon Master's Guide.