Colt AR-15 22 Long Rifle Conversion Kit, Absolutely Brand New, Just as it Shipped From Colt in the Mid 1980’s.  Make Your AR-15 Two Guns In One, Seconds to Install, Shoots 22 LR Rimfire Ammo. Comes with One 10 Round Magazine and 1985 Factory Colt Owner’s Manual. VERY RARE IN NIB Condition!