Advantage Arms Glock Gen 4 .22 LR Conversion Kit w/10-Round Magazine and Range Bag 4.49 inch Barrel Black. 49" Barrel Fits Generation 4 19/23 Black Finish Standard Sights 1-10Rd Magazine Includes Range Bag AAG19-23 G4 Specifications for Advantage Arms Glock 19/23 Gen 4 .22 LR Conversion Kit w/10-Round Magazine and Range Bag: Manufacturer: Advantage Arms Magazine Capacity: 10 Round Magazine Included: Yes Condition: New Package Contents: Advantage Arms Glock 19/23 Gen 4 .22 LR Conversion Kit w/10-Round Magazine and Range Bag Advantage Arms AACG19-23G4: Glock 19/23 Gen 4 .22 LR Conversion Kit w/10-Round Magazine and Range Bag 4.49 inch Barrel Black