sentences:  The weapon is similar to the Tanfoglio variant of the Czech CZ-75, with design elements borrowed from the SIG P210, though few of its parts are interchangeable with the Tanfoglio weapon from whose machining dies and blue prints it was derived.It has a hot forged steel frame mated to a heavy milled slide treated with manganese phosphate, and coated in heat-cured epoxy.The AR-24/15 "Standard" model has a parkerized finish and fixed dovetailed rear sights and a proprietary front sight with three white paint dots.