If you want to pay 10$ + 45$(shipping) for another mag on US site you can !
Keep in mind that all gun that came with many accessory have to be right priced ! If it's low with cheek piece, scope, bipod that because there is something wrong (durability, fonctionnality, upgradable or maybe don't have repair part to take around)
Keep that in mind when you chose a gun
HO AND BY THE WAY GET VERIFIED, NO ONE SELL TO MINOR