I think DSA sold out of them. You may have luck on the FalFiles marketplace. You can also find Canadian, Belgian (steel and alloy) and possibly other manufacturers/countries of origin if you look around hard and long enough. If all you want is the ability to use chargers, the DSA mount is definitely not worth the added weight, which is considerably. If you really want a rail, the Light Tactical Rail on a charger guide top cover would be a good option, especially for a lighter optic.