You have a point Sheed...a pseudo reliable rifle that comes in at a fair price point will sell. Especially if it's more reliable than most stock rifles. I agree, most people don't know how to fix their rifles, and even more so, don't care...just make it go. hehehehe
I've studied the .3g BB extensively...when I say extensive, well, we won't even bother getting into that. At upwards of close to 2j (around 415 fps with a .2) and everything magical and indoors, the BB would go 90m, but not accurately or to the point where I could 'guarantee' a hit. But did it rattle the wall? It did. So, plausible.
Now, in game, outside, 75-80m max...and depending on the day, we can drop that to 70m. Now, that's 75m reliably where I will hit what I'm pointing at. But this is not a commercially produced rifle and for most who can't make parts, not even possible with offerings off the shelf. Now, 246 feet is nothing to scoff at for an AEG. Now this is still a full 50ft short of the 90m claim. That's a far piece...just sayin