Underwood Xtreme Penetrator .50 Beowulf Ammo – 350 Grain Solid Fluted Big-Bore Hunting Rounds (20 Round Box)

Underwood Xtreme Penetrator .50 Beowulf 350 Grain ammunition is a premium big-bore rifle load built for shooters who demand maximum penetration and uncompromising stopping power. Designed for the powerful .50 Beowulf platform, this load delivers extreme energy and consistent reliability for hunting and heavy-duty defensive applications.

Loaded with a 350 grain Xtreme Penetrator solid projectile, this round features a precision-machined fluted nose profile engineered to promote deep, straight-line penetration while enhancing energy transfer—without relying on traditional hollow point expansion. This design makes it highly effective on tough game and suitable for situations where barrier-blind performance and maximum penetration are critical.

Optimized for AR-style .50 Beowulf rifles, this ammunition provides dependable feeding and consistent performance at close-to-medium ranges. Packaged in a 20-round box, it’s an outstanding option for hunters and shooters seeking premium big-bore capability with advanced solid projectile technology.

Quick Highlights

• Caliber: .50 Beowulf

• Bullet Weight: 350 Grain

• Bullet Type: Solid Fluted Xtreme Penetrator

• Intended Use: Big Game Hunting / Heavy-Duty Defense

• Rounds Per Box: 20

• Manufacturer: Underwood Ammunition

Use Cases & Applications

• Hog and large game hunting

• Big-bore AR rifle platforms

• Deep penetration performance on tough targets

• Barrier-capable projectile applications

• Heavy-duty defensive rifle setups

Technical Details

• Manufacturer: Underwood Ammunition

• Product Line: Xtreme Penetrator

• Caliber: .50 Beowulf

• Bullet Weight: 350 Grain

• Projectile Type: Solid Fluted Penetrator

• Rounds per Box: 20

• Application: Hunting / Defensive Big-Bore Rifle Ammunition

Ammunition Sales Notice: By purchasing ammunition from RJ Whited LLC, you certify that you are legally permitted to purchase and possess ammunition under all applicable federal, state, and local laws. You must be at least 18 years of age to purchase rifle or shotgun ammunition and at least 21 years of age to purchase handgun ammunition. It is the buyer’s responsibility to know and comply with all laws and restrictions in their jurisdiction. We will not ship ammunition to locations where it is prohibited. All ammunition sales are final.