no 22 mag ammo has a larger case diameter than 22lr and will not fit in a 22lr cylinder also 22 mag produces much higher pressures that 22lr and the 22lr cylinder is not made to handle those higher pressure

Hi Robert, no sir, not without changing the cylinder. The 22 magnum model is here budsgunshop.com/product_info.php/products_id/51229/north+american+arms+naa+naa-22m-hg+mini-revolver+5rd+.22+mag+1.625+w+holster ,
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The combo model with both cylinders is here budsgunshop.com/product_info.php/products_id/51231/north+american+arms+naa+naa-22mc-hg+mini-revolver+5rd+22lr+22mag+1.625+w+holster ,
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Stay safe & have a great day!

Hi Robert and welcome. This revolver comes with the 22LR Cylinder only. The 22 Magnum only model is here : budsgunshop.com/product_info.php/products_id/51229/north+american+arms+naa+naa-22m-hg+mini-revolver+5rd+.22+mag+1.625+w+holster ---------------------------------------- The combo that has both 22LR and 22 Magnum Cylinders is here : budsgunshop.com/product_info.php/products_id/51231/north+american+arms+naa+naa-22mc-hg+mini-revolver+5rd+22lr+22mag+1.625+w+holster

No, this is chambered for .22LR only, you cannot shoot 22wmr (Magnum) out of it.