Cool, but…. - Tacstar Shotgun Rail Mount With Sidesaddle for 12 Gauge Mossberg 500/590

Adds some great capabilities to your tactical shotgun, but you can’t put it on without scratching up your receiver. Not just a cosmetic problem, once the bluing is scratched off, rust will set in. It’s a shame that they can’t open it up just a 32nd of an inch to avoid this. If you’re ok with that then it’s great, but if not…