In addition, the loving attention bestowed upon your weapon during modification results in durability improvements. Silencer (SI): Makes weapon silent, reduces damage and projectile speed (by around 10% each). Scope (SC): Can use scope to sight targets, increases range by 30%.
Laser Sight (LS): Increases accuracy (reduces weapon spread by around 33% and increases weapon accuracy in VATS by 25%). Extended Magazine/Clip (EC): Doubles magazine/clip capacity. Auto-Fire Mechanism (AF): Adds full-auto firing capability to most guns that do not have it otherwise (also increases weapon spread by around 50% and reduces weapon to 65% of its default accuracy in VATS). Weapon Modification Kits - or 'Weapon Mod Kits' - allow you to use standard Workbenches to modify your favourite firearms with a range of handy attachments:
