New from Beretta/Sako is the Tikka T3 Youth rifle. The rifle has a much shorter length of pull and it can be adjusted using spacers, so as the child grows, so can the rifle’s length of pull. It will be available in “suitable calibers” (which I interpret to mean .223 Rem. and .243 Win.).
The Tikka T3 rifles do not get the love they deserve stateside, but are very popular internationally.