Yes Matt. The barrel is stamped 5.56NATO so it will safely fire both 5.56 and 223 ammunition. The butts tock does have the original storage compartment.

The barrel is stamped 5.56NATO so it will safely fire both 5.56 and 223 ammunition. The butts tock does have the original storage compartment.

Yes Matt. The barrel is stamped 5.56NATO so it will safely fire both 5.56 and 223 ammunition. The butts tock does have the original storage compartment.

the gun is listed as a .223/5.56 so you can use either round I cant find anywhere that says that the stock has a storage compartment I suggest that you contact colt to be sure Colt's Manufacturing Company LLC
P.O. Box 1868
Hartford, CT 06144 USA
Tel: 800-962-COLT (2658) *Mon-Fri 9am to 5pm EST
Fax: (860) 244-1379 here is a review https://gundigest.com/more/classic-guns/ar-15-review-colt-ar15a4