I wear XL gloves and don't seem to have a problem. Unless you have some serious meat hooks:): I don't think you will have a problem either. Also if you are going to do some rapid fire, you are probably going to want heat shields or a handle. Which would add some girth to the rail.
I wanted the long handguard. They also make light weight models. Pencil profile barrels and such. The heart of all the rifles are the same, just different uppers. Barrel length, hand guard, etc.
I have had a v11 for about a year now, about 3000 rounds through it. I have had no problems with it. I had it ordered down at Meeks guns in Fort Branch