5.56 and 223 cal. are the same cartridge...........
500-1000 USD or so
Yes
a gunsmith needs to check both the ammo and rifle.
The Colt AR-15 is a sporter rifle
Have it checked over by a good gunsmith before you attmept this.
Depends on markings on upper.
yes, but don't shoot the P ammo too often
Colt AR-15 Sporter Lightweight .223/5.56. 20" barrel marked with MP 5.56 NATO 1/7. approx D.O.M. 1993-1994.
The Colt Sporter .223, serial number 002604, is a model of semi-automatic rifle produced by Colt, designed for civilian use and chambered in .223 Remington. The Colt Sporter series was introduced in the early 1980s, making this particular rifle likely around 40 years old, depending on its exact production date. This model is known for its lightweight design and versatility, often used for sport shooting and varmint hunting. Its age and historical significance may also add to its appeal among collectors.
@ 40 inches.
Colt made a single action army revolver that used 32.23 ammo & I believe Winchester, Colt lightning, Savage & Remington made 32.20 rifles,if that answers your question
Contact Colt, on line aucitons.