The Tripp Research Cobra Magazine 1911 45 ACP (10rd) is designed for a maximum round capacity .45 caliber magazine for Government Full sized pistols only. Can be used in some competition settings or for range use.
1911 Magazine

Calibre: .45
Size: For use with Government Full Sized pistols measuring more than 3″ center to center on grip screws
Round Capacity: 10 Rounds
Basepad: BP-P- 1.587// Polymer// removable // 1.587″ height
Follower: (FOL-HYB-.45) Hybrid follower with polymer base and inset metal cap for “metal on metal” slide lock
Spring: (MS-17C.042) 17 coils .042 diameter spring