The Stitcher is the most efficient weapon in Arc Raiders, delivering 13,700 damage over 1,950 shots per full repair at a cost of two credits per shot. The Rattler IV averages 11,900 damage at 3.9 credits per shot. The Osprey is inefficient, becoming unusable after firing one and a half max ammo stacks. The Venator, a rare pistol, inflicts 16,400 damage and achieves 91 magazines per full repair, making it cheaper to repair on a per-damage basis than the Anvil.