Fits Remington 511,513,521 magazine 10 round Welded csspecs mag 22lr

10 round capacity for the Remington 511 bolt action rifle in 22lr. Made by Csspecs. I do have a youtube video showing how the loading tool works, search "csspecs loading tool 22lr". These magazines are fully CNC laser cut, and are CNC laser welded instead of crimped together.