Ruger M77 Mark II – .300 Remington Short Action Ultra Mag (SAUM) – 2004 Production

Offered here is a Ruger M77 Mark II bolt-action rifle chambered in the powerful and relatively uncommon .300 Remington Short Action Ultra Mag (SAUM). Based on the serial number, this rifle was manufactured in 2004, the primary year Ruger offered this chambering in the M77 Mark II platform.

The M77 Mark II is known for its rugged construction, controlled-round-feed action, and legendary reliability in the field. This rifle features Ruger’s integral scope mount system, a strong Mauser-style claw extractor, and a durable stainless steel barreled action paired with a synthetic stock, making it an excellent choice for harsh hunting environments.

The .300 SAUM cartridge delivers magnum-level performance from a short-action platform, offering excellent power and flat trajectory for big-game hunting while maintaining a more compact rifle configuration.

Specifications

• Manufacturer: Ruger
• Model: M77 Mark II
• Caliber: .300 Remington Short Action Ultra Mag (SAUM)
• Action: Bolt Action – Controlled Round Feed
• Barrel: Stainless steel sporter barrel
• Stock: Factory Ruger synthetic stock
• Finish: Stainless steel
• Manufacture Date: 2004
• Scope Mount System: Ruger integral scope ring system

Condition

Very good condition overall. The stainless steel metal surfaces are clean and the synthetic stock shows only minor signs of handling. The rifle retains its original factory configuration and the action operates smoothly.

Collector / Shooter Notes

The .300 SAUM chambering in the Ruger M77 Mark II was produced for only a short period, making these rifles somewhat harder to find than more common calibers. The cartridge itself remains respected for delivering .300 Win Mag-level performance in a short-action rifle, making it an excellent hunting cartridge for deer, elk, and larger North American game.

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