30-Round Capacity Remington 597 OEM Magazines, for your 10/22, RF224, ST22, C71 using magwell adapter

Tested on multiple 10/22 platforms with the SBI magwell adapter, works great, a lot less jams compared to the Pro Mag plastic 22-rounder. 

Demo Video: https://youtube.com/shorts/VK4z7YNuO8I?feature=share

They are discontinued, very rare and hard to find.

$125 each shipped, 4 Remaining