Impossible to answer.
Your will need to give us more info to get a meaningful answer. Make and caliber would help. The term 315 alone does not really have an abvious firearms meaning. Sorry.
For a 9mm PISTOL- effective range is about 50 meters. Max range about 960.
Effective range- 50 yards. Maximum- 1 mile
What is the maximum effective range of the M16A2 and M9?
Ultraviolet (UV) radiation spans a wide range of frequencies, typically from about 10^15 to 10^17 Hz. This range is further divided into UVA (315-400 nm), UVB (280-315 nm), and UVC (100-280 nm) wavelengths.
The maximum effective range of a point target on the M249 is 800 meters. The maximum effective range of an area target is 1000 meters. The maximum range is about 3600 meters.
They are very expensive. On Amazon they range from £315 to £599, eBay the prices range from £299 to £615.
Effective range is about 25m
50 metres is going to be the given effective range of any pistol.
50 meters. The maximum range is about 960 meters, but the maximum EFFECTIVE range is 50 meters.
The effective range on this certain Glock is about 125 yards.
Effective range was only about 50m (150ft).