As much of a die hard 1911 fan as I am, I would opt for the G21SF in a full size, or the G30S in the compact, with its narrow slide for a compact carry pistol. Carried in a Milt Sparks 55 BN, it is one that will last a lifetime, with very minimal fuss as compared to a 1911.
Love both platforms, but for pure practicality, I would run the lightweight polymer gun.
