Thread: Unique X51 BIS magazine wanted

Originally Posted by Tech

Hi PaulNZ, can you ask your friend if they can measure the width of the Unique bolt mag they have please? This needs to be done with a vernier if at all possible. I have a brand new Unique 5 shot mag that is too wide to fit in my X51 BIS so maybe it is a bolt action mag.

@Tech - Width 11.27mm below the feed lips and 11.31mm further down the mag body - see photos below. These look like very similar measurements to those posted by zimmer for his Audax (this one is actually the Dioptra T he refers to) and a bit wider than sportco62's measurements (which I'm guessing are for an actual X51?)

If your mag doesn't fit your X51 but matches with these measurements, would you be interested in selling?