We have the Colt M4 6920 Magpul Edition, Colt M4 Carbine with custom rail and Battlelink stock and a pre-ban Colt AR15 Competition Sporter (consignment) available, if you're looking to add one of Colt's dancing ponies to your collection. Colt M4 Carbine http://www.mississippiautoarms.com/colt-defense-m4-carbine-p-3535.html Colt 6920-MP M4 Carbine Magpul Edition http://www.mississippiautoarms.com/colt-m4-carbine-feat-magpul-accessories-p-3074.html Colt AR15 Sporter Competition HBAR http://www.mississippiautoarms.com/colt-sporter-competition-hbar-223-rifle-preban-p-3376.html Mississippi Aut