DIFFERENT TYPES OF RIFLING

Do you want to find out what kind of rifling your barrel has? Most of the barrels manufactured today
either are hammered rifled or button rifled. In the older guns they used various processes to rifle. To
find the different processes may sound difficult, but it isn't.

The button process leaves a definite indication of the manufacturing method clearly visible. Since the
original surface of the bore left by the finish reamer is formed into the new groove surface, the reamer
marks remain continuous. Not only on the top of the lands but also in the bottom of the grooves.

These reaming marks encircle the bore on both land and grooves. In the cutting process, where the