If you need To convert an existing AR-10 from .308 Winchester to 45 Raptor, a new barrel with extension needs to be installed. Additionally, existing magazines will need to be modified. The existing bolt and all other parts do not need to be changed.

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Hi Elvin, Out of the box, No. If you need To convert an existing AR-10 from .308 Winchester to 45 Raptor, a new barrel with extension needs to be installed. Additionally, existing magazines will need to be modified. The existing bolt and all other parts do not need to be changed.

Out of the box, the answer will be no.

Hi Elvin, To convert an existing AR-10 from .308 Winchester to 45 Raptor, a new barrel with extension needs to be installed. Additionally, existing magazines will need to be modified. The existing bolt and all other parts do not need to be changed.