The Swift A-Frame, with its solid partition to prevent excess expansion, combines the virtues of an expanding bullet with the weight retention and deep penetration of a solid. In any questionable situation where mono-metal solids are not desired, it is a good alternative.
The latest concerns the possible damage done to the barrels of a double rifle by using so-called “mono metal” solids. The theory goes that since hard metals like brass cannot compress like a jacketed bullet with a lead core, the thin steel of the rifle barrel is pushed outward, to the
