No more busting your thumbs loading up magazines, no more unreliable feeding, and no more impossible-to-clean mags fouling up your range day. The mag is now Gen II. Get yours today! New Ruger-style feeder lip New, larger thumb-assist Mag comes with one new stripper clip, with ammo retainer flat spring Our HC3R™ magazine solves the common problems with the high-capacity Ruger® 10/22® magazines you're used to. The great features of the patented HC3R™ Ruger® 10/22® magazine: Thumb-assist, for ease of manual reloading. Ammo pocket to hold an additional 20 rounds on board Removable Stripper Clip that allows those 20 rounds to be loaded in seconds. Stainless steel feeding lips. Assembled with stainless fasteners. High-impact formulated composite resin body, not glued plastic. Reliable single-stack magazine. Easy to strip down and clean. Capable of holding 45 rounds > 25 rounds capacity to shoot now, 20 more in ammo pocket.