hi just to give you an idea of what i use and do,,,,my gun is a daystate airwolf .177,niko sterling nighteater scopes,the pellets i use are bisley magnums ,,zeroed in at 30yds,,i set up a pigeon hide ,chair and wait for the rabbits to come out to feed,they are out and about by 7pm if its been a nice day,,what i do is put a marker in a couple of places around from me at the distance of 30 yds ,,so i know whats in the killing zone or too far...i do use a lamp on the gun which is a deben mini tracer
on a mount above my scopes ,,dont tend to use it in the summer months has i get enough just sitti