Check with ak builder or apex for one.
http://www.apexgunparts.com/galil/im...compliant.html

http://armsofamerica.com/factorynewi...562238999.aspx

http://www.keepshooting.com/imi-fact...il-barrel.html



here's a real old add for one
http://www.copesdistributing.com/gal...el-p-3112.html