Muzzles are a mod slot for weapon mods in Fallout 4. It is a broad category that includes Muzzles, Splitters, Focusers, Modules, Suppressors, and Bayonets. The following are a list of weapon mods that can be inserted in the Receiver slot:
||Splits beam into multiple projectiles covering a wider area. Poor accuracy and range.
|Amplified Beam Splitter
||Splits beam into multiple projectiles covering a wider area. Reduced accuracy. Poor range.
||Better range, accuracy, and recoil.
|Fine-tuned Beam Focuser
||Superior range and accuracy. Better recoil.
|Gyro Compensating Lens
||Superior recoil. Reduced range.
||Better melee damage. Reduced range.
||Superior melee damage. Inferior range.
||Improved per-shot recoil. Improved recoil control. Reduced range.
||Exceptional recoil control. Better per-shot recoil. Inferior range.
||Adds electrical damage to projectiles.
||Adds fire damage to projectiles.