These are Evike’s brand, full metal mags that feed wonderfully through all types of M4/M16/SCAR/L85/TAR21/FAMAS/etc guns. They have NEVER been stored with BBs in them, and as a result they are still fresh and feed without issue, even on hopped up guns in auto. I ran these for a couple years in a SCAR-L, but none are scratched any more than the occasional wear from my mag pouches. They have never hit the ground since I run a dump pouch as well. Never been wet, and have been sprayed a couple times inside with silicone. New they are $15 each, I’m letting them go for $5 each. Shipping can be negotiated, probably no more than $8 or so to send them anywhere. These have proven to be the best bang for buck mags out there, no rattle like a high cap, and they fit in the gun much better than cheaper alternatives. Comparable in quality to more expensive magazines. If I ever get back into it, I will purchase more of these. That’s how reliable they are.