This mag is supposed to work with a wide variety of common calibers for the AR15.
http://rosszhengengineering.com/
Hopefully well get them in Canada soon if someone decides to import them
The UNIMAG multi-caliber magazine, RZE’s first production-ready firearm component, provides enhanced performance and reliability for gun owners and enthusiasts. Compatible with AR-15 and other rifles that use a STANAG magazine, the UNIMAG is proven to be reliable and functional for six different types of ammunition and counting. The patented design includes a two-piece, self-levering follower that maintains its stability while also accommodating tilt introduced by the ammo, and a self-adjusting magazine shell to regulate various cartridge diameters.
Ammo Capacity
223/556/300BLK/204Ruger (all based on 223 case) 30
5.45X39 29
6.8SPC 26
7.62X39 25
6.5 Grendel 24
458 SOCOM 12
http://rosszhengengineering.com/
Hopefully well get them in Canada soon if someone decides to import them
The UNIMAG multi-caliber magazine, RZE’s first production-ready firearm component, provides enhanced performance and reliability for gun owners and enthusiasts. Compatible with AR-15 and other rifles that use a STANAG magazine, the UNIMAG is proven to be reliable and functional for six different types of ammunition and counting. The patented design includes a two-piece, self-levering follower that maintains its stability while also accommodating tilt introduced by the ammo, and a self-adjusting magazine shell to regulate various cartridge diameters.
Ammo Capacity
223/556/300BLK/204Ruger (all based on 223 case) 30
5.45X39 29
6.8SPC 26
7.62X39 25
6.5 Grendel 24
458 SOCOM 12