Armscor Precision Inc Tangfolio MAPP 9mm 16 Round Pistol Magazine Black 1 Pack. This magazine is for either Full Size or Mid Size MAPP1 models chambered in 9mm and holds 16 rounds of ammunition. It is made of steel and is made to Armscor/Rock Island Armory specifications and tolerances using the same manufacturing and materials as the original equipment magazines ensuring perfect fit and operation. Specifications for Armscor Precision Inc Tangfolio MAPP 9mm 16 Round Pistol Magazine: Manufacturer: Armscor Precision Inc Gun Make: Rock Island Armory Gun Model: Rock Island Armory MAPP FS Caliber: 9mm Luger Magazine Capacity: 16 Round Color: Black Quantity: 1 Fabric/Material: Steel Features of Armscor Precision Inc Tangfolio MAPP 9mm 16 Round Pistol Magazine 9mm High Capacity 16 Rounds Steel magazine body Polymer base plate Black Finish Fits RIA Full Size and Mid Size MAPP1 chambered in 9mm. Package Contents: Armscor Precision Inc Tangfolio MAPP 9mm 16 Round Pistol Magazine What firearm models does the manufacturer say Armscor Precision Inc Tangfolio MAPP 9mm 16 Round Pistol Magazine is compatible with? The manufacturer says that Armscor Precision Inc Tangfolio MAPP 9mm 16 Round Pistol Magazine is compatible with Rock Island Armory MAPP FSArmscor Precision Inc 56057-16RD: Tangfolio MAPP 9mm 16 Round Pistol Magazine Black 1 Pack