Complex sentence: In 1974 Ruger patented a transfer bar safety system for their single-action revolvers and discontinued the production of the Bearcat, which was not readily adaptable to the new transfer bar design.
Split into simpler sentences: In 1974 Ruger patented a transfer bar safety system for their single-action revolvers and discontinued the production of the Bearcat. It was not readily adaptable to the new transfer bar design.