Updated comment.. Read the instructions properly, I pushed the insert from the outside and in which was wrong, do not do that. Probably much better if done according to instruction.

Very strong magnet, holds mag securly, even if you put two magazines on it.

Excellent magnet strength. Bolt was too long, extended into magpouch, had to cut it. Easy to push nut too far through the plastic, be careful, measure before yoou warm it.

Very easy to install, and the function is exelent++