OLBH Olomouc Airsoft Klub reviews the Victoptics S4 4-16x44 if it is the best budget scope for airsoft use. VictOptics S4 4-16x44 FP Riflescope is a scope from the S4 Series by Vector Optics, made for Airsoft and Airguns. It has locking turrets to prevent unwanted changes, a Custom Designed Reticle for ranging at 10x, and 1/10MIL clicks with 15MIL range. It also has a lever to adjust the power ring with gloves in cold weather.