About this bullet
.488 | 500gr | A-Square MONO RN is a bullet made by A-Square. At 500 gr (32.4 g) and a diameter of 0.488'' (12.40 mm) it suits handloads where bullet weight and barrel length have to be matched carefully. Its G1 ballistic coefficient of 0.297 drives velocity retention and wind drift downrange — higher values mean a flatter trajectory at distance.
Load data for .488 | 500gr | A-Square MONO RN bullet is available in the following calibers:
No caliber combinations available yet.
Safety notes
All load data is reference data only. Always start at the minimum charge and work up in small steps while watching for pressure signs. Never exceed the maximum charge published by the powder or bullet manufacturer.