I still do not see the benefit of the clamp though. Bear with me and I welcome your input on this.
Once the mag is emptied, I have to wrap my hand around the clamp area and use my thumb and forefinger to push the mag release back to release the mag. Once the mag is released, I have both mags in the palm of my hand and now I have to withdraw the mags from the mag well and rotate the mags 180 degrees lengthwise meaning that the back of my hand is now between the full mag and the mag well so I have to move my hand out and then re-grab the magazines to push it into seating position. From the shoulder area, I can see having some difficulty with this with the firearm in the horizontal (firing) position but not as much if the firearm is slinged and resting against my chest in the vertical position. Does this not hinder the design which is to increase the speed of mag changes under fire?
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I have to agree with this....In an AR/AK situation, I can see the benefit...drop, flip, slam, shoot....but it seems like it would be easier to carry mags in a leg or chest holster and just become proficient and changing mags