tracerbullet

This entity is not in the FGD by default.
It should not be put directly in a map because it can only be configured through code.

tracerbullet is a point entity available in Black Mesa. This is crossbow bolt that appears when the player shoots from crossbow. Differs from grenade_bolt in that it doesn't have the ability to ricochet, no sparks, there are also bug with player's camera (bolts literally appears in the center of the player's camera, causing them to clip through it).

Dedicated Console Variables

Cvar/Command	Parameters or default value	Descriptor	Effect
sk_crossbow_tracer_enabled	1	Arbitrary number	Enable tracer crossbow bolts if 1. With 0, crossbow will use grenade_bolt entity with Half-Life 2 crossbow bolt parameters (ability to ricochet, sparks, also fixes bug with camera). Does not affect multiplayer mode.
sk_crossbow_tracer_speed	8000	Arbitrary number	Crossbow bolt speed (only for tracerbullet entity).