Atlas 20rd Classic Magazine 9mm, Basepad Prevents Over-Insertion, 140mm SS Tube

The Atlas Gunworks Classic 2011/1911 Double Stack Magazines are available in 17 and 20-round configurations. We recommend classic magazines to shooters looking for a tough magazine that feeds awesome and locks back reliably in most modular 1911 double stack and 2011 style pistols, including Staccato* and Springfield Prodigy. Features: Caliber: 9mm Capacity: 20 rounds Tube: 140mm Stainless Steel Follower: Lockback Spring: + 18% Basepad: Aluminum, prevents over-insertion Backed by the Atlas Magazine Warranty Compatibility: All Atlas Gunworks Pistols with a tactical or carry magwell All known 2011 style and 1911 double stack modular pistols with no magwell or a Staccato Compatible Magwell Staccato*: Staccato C2, Staccato P, Staccato XL, Staccato XC using a Staccato Magwell Springfield: Prodigy 5" 1911 DS, Prodigy 4.24" 1911 DS *Some Staccato Pistols made after August of 2024 have new frame dimensions, which prevent the use of all known aftermarket magazines.