Another Gun Suggestion: Big Game RIfle

The Tier 4 Big Game Rifle should be a Bolt-action .50-cal Rifle that is essentially just a Bigger version of the Tier 3 Bolt-action 7.62mm Rifle. The Advanced Rifle should be a Semi-automatic Rifle designed to look and work similarly to the Barrett M82A1 or A2 (They look similar, but the A2 is a Significant Step up from the A1). I recommend a Steel Bullet and a Titanium/Steel Armor-Piercing Bullet for Huge Predators, like Polar Bears and Elephants. It is worth noting that few Calibers smaller than the .50-cal can Headshot Polar Bears and Elephants, mature specimens of which have sometimes been seen to be able to shrugging off .44 Magnum and .50-cal Pistol Rounds to the Forehead (which is by no means the Thickest part of the Skull of either).