Colt XM177E2 Reissue CRXM177E2

Released in 201?, the Colt CRxm177E2 was the second release in Colts AR-15 Military Classics series. It is a current catalog item on their website:

Shipping is restricted to California, Colorado, Connecticut, Massachusetts, Maryland, New Jersey, New York and Vermont.

Visible in this image is the inspector ‘proof’ marks to the left of the gas tube.