Warfighter Armory Key-Arma Glock 17/19 9mm 33-Round Polymer Magazine, Black The Warfighter Armory Key-Arma KEY-803 is a 33-round polymer magazine for Glock 17 and Glock 19 pattern pistols chambered in 9x19mm. The black configuration uses an extended magazine body to provide the stated capacity. Capacity indicators on both sides offer a visual reference for the cartridge count through the magazine body. Inside the polymer housing, a stainless steel spring works with the follower to move the cartridge stack toward the feed lips. The floorplate and insert are part of the magazine assembly. Its Glock 17/19 pattern is the key fitment detail; compatible PCC platforms must accept that magazine pattern. The extended form and 33-round capacity make its size and capacity clear before purchase. Key Features 33-round capacity: Defines the extended 9mm cartridge capacity. Polymer construction: Provides the magazine's outer body. Capacity indicators: Appear on both sides for visual cartridge-count checks. Stainless steel spring: Works with the follower inside the magazine. Specifications Manufacturer: Key-Arma Model: KEY-803 Caliber: 9x19mm Capacity: 33 rounds Material: Polymer Color: Black Compatibility For Glock 17/19-pattern 9mm pistols and compatible PCCs designed to accept that magazine pattern. Shop the black Warfighter Armory Key-Arma 33-round Glock 17/19 magazine at BattleHawk Armory.