The 457 Synthetic is one of CZ USA options for a fun and rugged rimfire rifle. Some of the features that lend this rifle its ability to being rugged and precise are CZ care for their materials. Starting with the receiver the 457 is carefully machine from bar stock steel to provide the greatest amount of strength. This strength also lends this receiver to be a great optics platform the receiver has an 11mm dovetail cut into it. The Rifle is then placed into a rugged synthetic stock that gives this rifle a good amount of beauty and durability. So if you want a good rimfire rifle with a legacy of excellence look at the 457 Synthetic from CZ-USA.