The Mec-Gar MGP22810B is a 10-round detachable magazine specifically designed for the Sig P228. This magazine features a heat-treated carbon steel tube for durability, along with a high-impact polymer follower that ensures reliable feeding. The magazine also includes a high-impact polymer floor plate that sits flush with the pistol.Key FeaturesCapacity: Holds 10 rounds of 9mm Luger ammunition.Material: Constructed from heat-treated carbon steel for enhanced durability.Follower: Equipped with a high-impact polymer follower for reliable feeding.Floor Plate: Includes a high-impact polymer floor plate that sits flush with the firearm.