The San Tan Tactical 1836 Series Ironclad Rifle Barrel in 6mm ARC is built for shooters who want a precise, modern AR-15 barrel with dependable performance. This 18" barrel uses a rifle-length gas system to promote smooth cycling and softer recoil impulse, while the nitride finish provides a hard, corrosion-resistant surface for long service life and consistent accuracy.

This 6mm ARC barrel is ideal for extended-range target shooting, training, and hunting applications where flat trajectories and reliable function matter. Its AR-15 compatibility makes it a straightforward upgrade path for builders and enthusiasts looking to optimize their rifle around the 6mm ARC cartridge. San Tan Tactical’s reputation for careful machining and thoughtful design is reflected in this Ironclad barrel’s clean lines, durable finish, and attention to detail.

Key Features:

• Manufacturer: San Tan Tactical
• Model: 1836 Series Ironclad
• Caliber: 6mm ARC
• Barrel Length: 18"
• Type: Rifle Barrel
• Description: Fits AR-15 With Rifle-Length Gas System
• Finish: Nitride