Ballistic Advantage 13.9" 5.56 Government Profile Midlength AR-15 Barrel Modern Series 1:7 Twist - BABL556035M

Upgrade your AR-15 build with the Ballistic Advantage 13.9″ 5.56 Government Profile Midlength Barrel, featuring a precise 1:7 twist rate. Engineered for reliability and accuracy, this barrel delivers exceptional performance for tactical applications, range shooting, and home defense setups. Crafted from high-quality 4150 Chrome Moly Vanadium steel, it ensures durability under demanding conditions while maintaining a balanced weight for optimal handling.

Key Features

• Corrosion-Resistant Finish: QPQ Nitride coating provides superior protection against wear and environmental damage, extending the barrel’s lifespan and ensuring consistent performance in harsh environments.
• Government/SOCOM Profile: Offers a robust design that reduces weight without sacrificing strength, ideal for building a lightweight yet powerful AR-15 rifle.
• Mid-Length Gas System: Promotes smoother cycling and reduced recoil compared to carbine-length systems, enhancing shooter comfort and control during extended sessions.
• 1:7 Twist Rate: Stabilizes heavier 5.56 NATO bullets (62-grain and beyond) for improved accuracy and terminal ballistics at various ranges.
• Threaded Muzzle (1/2×28): Compatible with a wide array of suppressors, muzzle brakes, and flash hiders, allowing customization to suit your shooting needs.

Specifications

• Barrel Length: 13.9 inches
• Caliber: 5.56 NATO (fully compatible with .223 Remington)
• Material: 4150V Chrome Moly Vanadium Steel
• Gas Block Journal: 0.750 inches
• Platform: AR-15
• Weight: Approximately 32 ounces
• M4 Feed Ramp Extension

Why Choose This Barrel?

This Ballistic Advantage Modern Series barrel addresses common AR-15 builder challenges like balancing accuracy with maneuverability. Its mid-length gas system minimizes felt recoil, allowing for faster follow-up shots and reduced fatigue—perfect for competitive shooters or those prioritizing ergonomics. The 13.9-inch length strikes an ideal compromise between velocity and compactness, making it suitable for SBR configurations or pinned/welded setups to meet legal requirements. Users appreciate its sub-MOA potential with match-grade ammo, backed by rigorous quality testing for consistent groups. Whether you’re assembling a duty rifle or a precision plinker, this barrel elevates your build’s performance without compromising on affordability or reliability.

Ready to enhance your AR-15’s capabilities? Add the Ballistic Advantage 13.9″ 5.56 Midlength Barrel to your cart today and experience the difference in precision and durability that sets Modern Series apart.

Frequently Asked Questions

Is this barrel compatible with standard AR-15 upper receivers? Yes, it fits all mil-spec AR-15 platforms and includes an M4 feed ramp extension for seamless integration.

What type of ammunition performs best with the 1:7 twist? It excels with 55-77 grain 5.56 NATO rounds, providing optimal stabilization for a wide range of bullet weights.

Does the Nitride finish require special maintenance? No, the QPQ Nitride treatment is low-maintenance and highly resistant to corrosion, making it easier to keep your barrel in top condition.