Powerbelt Aerotip ELR .45 Caliber 330 Grain Muzzleloaders Bullets 15. This hollow core is filled by the tail of the polycarbonate ballistic tip which offsets the tendency of the bullet to expand too rapidly. Optimal performance of the ELR will be achieved using "magnum" or "super-magnum" propellant charges. Specifications for Powerbelt Aerotip ELR .45 Caliber 330 Grain Muzzleloaders Bullets: Manufacturer: Powerbelt Diameter: 0.45 in Projectile Caliber: .45 Caliber Bullet Weight: 330 grain Number of Rounds: 15 Color: Copper Features of Powerbelt ELR .45 Caliber 330 Grain Muzzleloader Bullets Polycarbonate tip preserves aerodynamic integrity and prevents premature expansion Smooth plated finish reduces standard deviation between shots for superior accuracy Larger diameter gas check for tight seal Larger hollow point cavity reduces weight and maximizes internal expansion Longer Length combined with aggressively tapered shape Flutes in gas check make it easier to load Scores inside gas check allow positive release when bullet exits barrel Package Contents: Powerbelt Aerotip ELR .45 Caliber 330 Grain Muzzleloaders Bullets Powerbelt AC1630AT: Aerotip ELR .45 Caliber 330 Grain Muzzleloaders Bullets 15