Underwood 243 Sierra GameChanger 90 Grain – 20 Rounds

Underwood 243 Sierra GameChanger ammo is a hunting load built on Sierra’s tipped bullet. The 90-grain GameChanger is listed at 3,200 fps and 2,046 ft-lb. G1 BC is 0.39 and sectional density is 0.218. Cases are nickel-plated with boxer primers and non-corrosive priming. The polymer tip gives a flat path and starts expansion. It suits deer and pronghorn hunters who want speed with a mid-weight bullet.

243 Win GameChanger Specifications

• Caliber: 243 Winchester
• Bullet weight: 90 grain
• Bullet type: Sierra GameChanger Polymer Tip
• Muzzle velocity: 3,200 fps
• Muzzle energy: 2,046 ft-lb
• Quantity: 20-round box
• Case: Nickel Plated
• Primer: Boxer
• G1 ballistic coefficient: 0.39
• Sectional density: 0.218
• Reloadable: Yes
• Corrosive: No
• Price per round: about $2.27

Best Uses

Plan on one box for zero and hunting. The 90-grain GameChanger holds speed well, so it works for field-edge and open-country shots. Confirm your drops at 200 and 300 yards. Keep shots broadside or quartering away and aim for the vitals. Nickel-plated cases resist tarnish and feed smoothly in the cold. Underwood 243 Sierra GameChanger rounds also make a solid coyote load if you want one box for the fall. Store unused rounds in a dry place.

Compare it with the HSM Tipping Point 243 95 grain, or read our 243 Winchester ballistic data guide.

Why Buy From Black Ammo Defense

Black Ammo Defense is an licensed firearms licensed dealer, and we ship Underwood 243 Sierra GameChanger and the rest of our 243 ammo lineup from Hays, Kansas.

FAQ

What is a Sierra GameChanger bullet?
GameChanger is a Sierra hunting bullet with a polymer tip and boat tail. It is built to fly flat and open on deer-size game.

Is 90 grain 243 good for deer?
Yes. A 90-grain tipped hunting bullet is a solid deer weight in 243. It carries more mass than varmint bullets and still shoots flat for open-country shots.

Can you reload nickel plated brass?
Yes. Nickel-plated cases are boxer-primed and can be resized like plain brass. Some reloaders find the plating flakes after many firings, so inspect cases each time.

How much 243 ammo should I buy for deer season?
Most hunters buy one or two boxes. Use a few rounds to confirm zero and practice, then keep the rest for the hunt. Buying from one lot keeps your point of impact steady.

21+ only. Adult signature required on delivery. Check your state and local laws before ordering.

Related 243 ammo at Black Ammo Defense

• Remington Core-Lokt Tipped 243 95 Grain – 20 Rounds
• Winchester Varmint 243 65 Grain Extreme Point – 20 Rounds
• Nosler AccuBond 243 90 Grain Trophy Grade – 20 Rounds