This m1a & m14 high capacity magazine is a. 308 caliber 50 round drum built of the highest grade materials to give it unparalleled function and rigidity. Engineered using our proven coil. 3 in 1 drum. Built with an interchangeable feed tower. You can buy 1 of the 3 black dog machine 50 round drums listed below and have it work in 2 other models. This is a taurus 50 round drum, designed by promag. It fits taurus pt111, g2, and g3 pistols. This drum magazine is built to be both durable and reliable. Is there anyone out there that can convert a 50 round drum to use in my m1 thompson? I'm inheriting the gun and my uncle always talked about how he should have. Fits smith & wesson® m&p®40. 40 s&w® series pistols. Does not fit smith & wesson® m&p 9mm, m&p shield® 9mm, m&p shield® plus 9mm, shield® ez 9mm. Holding up to a 50. The x products family of 50 round drum magazines are the most rugged, compact, and visually appealing high capacity magazines on the market. Our continued commitment to evolving the. This is a 50 round. 223/5. 56 drum that is made from high impact clear. New from black dog machine llc the long awaited s&w m&p 15. 22 50 round drum. The pdf of the drum owner's manual can be downloaded here:. $ 190. 84 $ 181. 30. Fits smith & wessonâ® m&p 40 caliber series pistols. Magazine body constructed of a proprietary dupontâ® zytel based polymer. Blue steel upper magazine tower. Fits the smith & wesson® shield⬠1. 0 & 2. 0 9mm pistols *only** drum housing constructed of a proprietary dupont® zytel⬠based polymer.