Have two various brand names of AR's and so they the two function nicely using this mag. No bolt keep open or FTF or FTE problems. Packing shipping and delivery and repair from Main is as always best notch. But Cabot Guns is about A great deal much more than https://10-22-magazine-3-pack98279.anchor-blog.com/18034620/little-known-facts-about-power-pistol-powder-4lb