X-GRIP Magazine Spacer Fits Glock G5 Adds 5 Rounds Black. Specifications for X-GRIP Magazine Sleeve: Manufacturer: X-GRIP Color: Black Quantity: 1 Finish: Black Additional Features: Magazine Grip Sleeve Features of X-GRIP SMITH & WESSON M&P 9MM 2.0 MAG ADAPTER: Adapts M&P 9MM 2.0 Magazines Increases Capacity by 3 Rounds Fits Original SWMP Compact Pistol High Capacity Magazine Package Contents: X-GRIP Magazine Sleeve What firearm models does the manufacturer say X-GRIP Magazine Sleeve is compatible with? The manufacturer suggests that X-GRIP Magazine Sleeve is compatible with Glock 23 Glock 23 Gen 5 Glock 19 Gen 5 Smith & Wesson M&P 9 Compact Glock 27 Gen 5 Glock 26 Gen