50rds 44 Magn Blazer 240gr. JHP Ammo For Sale. Blazer’s 44 Mag cartridge has an aircraft-grade aluminum case. It has been heat treated and is highly robust, so you don’t have to worry about a 44 Magnum pistol’s high chamber pressure destroying it. This round’s casing makes it far less costly than a similar brass-cased round, as well as lighter. Sure, you won’t find it on your reloading bench, but its advantages make it an investment well worth making. Buy 50rds 44 Magn Blazer 240gr. JHP Ammo Online. This cartridge is topped with a jacketed hollow point bullet weighing 240 grains. Its jacket will aid in penetrating a variety of difficult targets, and its flat nose will offer exceptional impact energy. This cartridge is an excellent option for self-defense since the bullet’s hollow tip is contained by the cartridge’s jacket during penetration. This round’s CCI primer guarantees dependable ignition and is non-corrosive to prevent your action and barrel from deteriorating over time.