The San Tan Tactical 1836 Series Ironclad 5.56 NATO 11.5" Rifle Barrel is built for shooters who want a compact, dependable AR-15 barrel with modern materials and a clean, functional profile. This 11.5" barrel uses a carbine-length gas system to balance reliability and smooth cycling, while the nitride finish provides a hard, corrosion-resistant surface in a low-profile black appearance.

This configuration is well suited for AR-15 pistol or short-barreled rifle builds focused on range use, training, or general-purpose shooting where maneuverability matters. The 5.56 NATO chambering offers broad ammunition compatibility and familiar performance, making it a practical choice for enthusiasts refining a compact AR platform. San Tan Tactical’s attention to detail and commitment to quality manufacturing are reflected in the 1836 Series Ironclad line.

Key Features:

• Manufacturer: San Tan Tactical
• Model: 1836 Series Ironclad
• Caliber: 5.56 NATO
• Barrel Length: 11.5"
• Description: Carbine-Length Gas System
• Finish/Color: Nitride, Black
• Type: Rifle Barrel