Revolver Round. Available in FMJ or JHP: FMJ bullets have a technically simple design that is favourable for production, making them especially interesting for shooters who engage in intensive training. This shae feeds reliably thus helping the reliability of the weapon's operation. Hollow-point bullets are the perfect choice when you require absolute accuracy. A hollow point shifts the centre of gravity towards the base of the bullet, which gives these bullets an astonishing egde in accuracy, a virtue on which marksmen have relied for many years.