Originally Posted by cavtrooper94
Please be easy on me I'm new to these big 33's. what is the difference between a 338 Edge and a 338 RUM. If I was going to rebarrel a 700P should I use a 300RUM or 338 RUM ? Could I rebarrel a 700P 338RUM to 338 lapua. which is better 338 Edge, or 338 lapua?
Here are some really short answers (lot of discussion of this subject in the search area),
Edge is about 1/10" longer than the RUM for an increase of around 7-8% capacity increase. Maybe 80-100fps increase with heavy bullets (300gr) and long barrel 28" or longer.
the Lapua and Edge have about the same performance, but the Lapua needs a larger boltface and in my opinion
needs a bigger action (more $$$). The Lapua has better brass available.