Have the right punch to drift any pin.
A good selection of properly made and correctly sized punches is no longer hard to find. Now they're available from Lyman.
The Gunsmith's Punch Set offers a complete selection of quality steel punches with hardened steel punch tips including 1/16", 3/32", 1/8", 5/32", 3/16", 1/8" centre punch and a brass drift punch.