Wilson Combat SGETRH1 Magazine Extension Tube Steel Remington 870 +1

The Wilson Combat SGETRH1 Extension Tube increases magazine capacity by one round for Remington 870, 1100, and 11-87 shotguns. This steel construction extension features a durable Parkerized black finish that resists corrosion and wear through thousands of rounds.

What Makes This Different

Unlike aluminum alternatives that can crack under stress, this extension tube uses heat-treated steel construction for maximum durability. The Parkerized finish provides superior corrosion resistance compared to basic bluing or painted surfaces. Wilson Combat's precision machining ensures consistent feeding and reliable function with both target loads and defensive ammunition.

Key Features

• Adds one additional round capacity to magazine tube
• Heat-treated steel construction for long-term durability
• Parkerized black finish resists corrosion and wear
• Compatible with Remington 870, 1100, and 11-87 12-gauge shotguns
• Right-hand configuration for standard magazine tube threading
• Precision machined threads ensure secure installation
• Maintains reliable feeding with all ammunition types

This extension tube performs consistently across various shooting disciplines, from competitive sporting clays to law enforcement applications. The steel construction handles the repeated cycling stress of rapid-fire sequences without loosening or failure. Field testing demonstrates reliable function in temperatures from -20°F to 140°F, with the Parkerized finish maintaining its protective properties through extended exposure to moisture and cleaning solvents.

Technical Specs

• Material: Heat-treated steel
• Finish: Parkerized black
• Capacity increase: +1 round
• Compatibility: Remington 870, 1100, 11-87 (12 gauge)
• Threading: Right-hand standard
• Installation: Requires basic tools
• Manufacturer: Wilson Combat

Wilson Combat's reputation for precision manufacturing ensures this extension tube maintains the reliability Remington shotgun owners expect. The steel construction and professional-grade finish make this a permanent upgrade that enhances capacity without compromising function.