Strike Industries Magazine Sleeve for G19 9 mm Black One Size. The Mag Sleeve serves to increase cross-platform ergonomics when utilizing a Glock 17 magazine on the more compact Glock 19 model. The flared sides of the Mag Sleeve also increase manual magazine reload proficiency ensuring that you gain positive control of the magazine when executing administrative/ tactical reloads. Specifications for Strike Industries Glock 19 Magazine Sleeve: Manufacturer: Strike Industries Color: Black Quantity: 1 Features of Strike Industries Magazine Sleeve for G19 When a G17 Mag is used with a G19 (for increased capacity in the smaller platform) the Magsleeve increases ergonomics so there is NO GAP Larger Surface area for manually removing magazine Lightweight HighStrength Polymer No Snag design Package Contents: Strike Industries Magazine Sleeve for G19 1 x Mag Sleeve Strike Industries SI-G-MAGSLEEVE-19: Magazine Sleeve for G19 9 mm Black One Size