UNDERWOOD 357 MAG 140GR XTREME PENETRATOR 20RD Rifle Cases The 250-round case is perfect

The 250-round case is perfect for high-volume shooters and those preparing for extended range sessions or hunting trips

moderate penetration

The balanced velocity offers good energy transfer while maintaining manageable recoil

Rely on Frontier’s legacy of excellence for both range training and field applications

Battery Options: Single 18650 rechargeable or two CR123A batteries

UNDERWOOD 357 MAG 140GR XTREME PENETRATOR 20RD Rifle Cases The 250-round case is perfectUnderwood's . 357 Magnum 140gr Xtreme Penetrator rounds are engineered for maximum penetration in hunting and self defense situations. These cartridges feature a solid copper bullet with a unique fluted design that creates a wound channel without relying on expansion. The . 357 Magnum cartridge provides impressive ballistics in a versatile package, suitable for revolvers and lever action rifles. Features Specs: Caliber: . 357 Magnum Bullet Weight: 140