Convert your 5.7x28mm BANSHEETM from pistol to carbine with the CMMG(R)Radial Delayed Blowback Rifle Conversion Kit. The 15EML Handguard and RipStock are available in six Cerakote color options to best match your firearm. Barrel is compatible with your existing 5.7x28mm Radial Delayed Blowback bolt carrier group.Kit Includes:16.15.7x28mm BarrelBarrel NutCMMG EML15 Handguard (Choice of Cerakote color)CMMG RipStock(Choice of Cerakote color)