It sounds like you're looking for a CS 1.6 configuration (cfg) to eliminate weapon spread (no spread).
Navigate to your CS 1.6 folder (usually Steam/steamapps/common/Half-Life/cstrike).
fps_max 101: Higher, stable FPS reduces the engine's calculation jitter, indirectly making your spray patterns feel more consistent. Does it actually remove spread? The short answer is: No.
Q: My friend swears his no spread CFG works. Is he lying?
A: He is likely experiencing the placebo effect. His game might feel different due to cl_lw 0 (removing visual muzzle climb), but the server still registers random spread. Shoot a wall from 50 meters while standing still—you will see the bullet holes are not perfectly centered.
