Originally Posted by ThunderCactus
Could be the BBs, but if its your first time using the gun then it might be a compression problem too. You wont necessarily notice in just 30ft testing in your basement.
Mags could be an issue as well, but even firing reliably you were very short for range, which tells me it's a compression problem.
But either way, while you're getting that sorted out you might as well upgrade to a flat hop so you can get in that 200-250' range.
Any recommendations for what to upgrade to? I've done a spring replacement but that's the extent of my tinkering so far.