M1 Smooth faces due back in November. Martinez are waiting on smooth heads in production
15oz Steel Replacement Head For M1 Titanium Hammer
Smooth & milled available
Some of the smooth faces have been powder coated black. You may find that the powder coat will chip. This will not affect the performance of the hammer in anyway, however, if you are concerned about it, you can safely sand off the powder coat with a sander to reveal the smooth steel face.
Spanner to change head is available here