Probably not a good idea. The hammer needs a certain amount of mass to generate enough force to dent the primer. No mass = no detonation.
Member: Orange Gunsite Family, NRA--Life, Varmint Hunters' Assn., ARTCA, American Legion, & South Cuyahoga Sportsmen's Assn.
Caveat Emptor: Cavery Grips from Clayton, NC. He is a ripoff