No.
No. The two rounds are not interchangeable.
222, 223 and 9mm
If it is one of the recent Colt .22LR AR15 rifles, then the answer is no - they are completely different internally.
Colt has not offered a AR15 in 308
AR15, M16, M4, Ruger Mini 14
223
223
No.
$800.00
50-1200 usd
NO the .223 is a totaly diffrent round than the .223 WSSM
DO NOT DO THIS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Do this and you will cause damage and injury.