Great Lakes GL10LAMAG57REM 5rd 7mm Rem Mag Billet Aluminum

The Great Lakes Firearms GL10LAMAG57REM delivers precision-machined reliability for 7mm Remington Magnum rifles. This custom billet aluminum magazine combines lightweight construction with the durability demanded by serious hunters and precision shooters. Black anodized finish resists corrosion while maintaining a professional appearance in any rifle system.

What Makes This Different

Machined from solid billet aluminum rather than stamped steel, this magazine eliminates the flex and feed issues common in factory magazines. The precision tolerances ensure consistent cartridge presentation to the chamber, reducing feeding malfunctions by up to 85% compared to standard magazines. Internal geometry specifically matches 7mm Remington Magnum cartridge dimensions for optimal reliability.

Key Features

• CNC-machined billet aluminum construction for zero flex under pressure
• 5-round capacity optimized for 7mm Remington Magnum cartridges
• Type III hard anodized black finish resists wear and corrosion
• Spring-loaded follower with anti-tilt design prevents jams
• Compatible with most bolt-action rifles chambered in 7mm Rem Mag
• Precision-ground feed lips maintain consistent cartridge positioning
• Drop-free design enables rapid magazine changes

Field testing demonstrates reliable feeding across temperature ranges from -20°F to 140°F. The billet construction maintains dimensional stability under the high pressures generated by magnum cartridges. Competition shooters report improved consistency in rapid-fire scenarios, while hunters appreciate the dependable function during critical moments in the field.

Technical Specs

• Capacity: 5 rounds
• Caliber: 7mm Remington Magnum
• Material: 6061-T6 billet aluminum
• Finish: Type III hard anodized black
• Overall Length: 3.85 inches
• Width: 0.85 inches
• Weight: 3.2 ounces
• Spring: High-tensile stainless steel
• Follower: Self-lubricating polymer
• Made in USA

This magazine represents a significant upgrade over factory options, particularly for rifles used in demanding conditions. The investment in precision manufacturing translates directly to improved reliability when performance matters most.