Looks similar to an SPR profile (usually, 0.84" behind the gas block, 0.75" gas block journal, 0.73" in front of journal), perhaps closer to 0.80" behind the gas block, so 2lbs 6oz is about what I would expect for an 18" barrel. This one is 41 oz. As is this one. This one is 40 oz. And you would have to add a thread protector to each of those. What I'm saying is that it's a decent weight for its profile, so for someone doing an SPR-ish build, it would be a great barrel to buy. Heck, I'm tempted ...