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Ballistic Advantage Modern Series 16" 5.56 NATO Mid-Length Government Profile Barrel - BABL556015M - UPC 819747020093
Product Description
The Ballistic Advantage Modern Series 16" 5.56 NATO Government Profile Barrel (BABL556015M) is an industry-standard, duty-grade barrel designed to serve as the core foundation for reliable, accurate, and soft-shooting AR-15 rifle builds. Precision-machined from high-strength 4150 Chrome Moly Vanadium (CrMoV) steel, this barrel undergoes a full QPQ Corrosion Resistant (Melonite/Nitride) treatment inside and out, providing exceptional surface hardness, thermal endurance, and bore longevity that outperforms traditional chrome-lined alternatives.
Featuring a smooth mid-length gas system, the BABL556015M optimizes gas port pressure timing for 16-inch barrel lengths. This results in significantly reduced bolt velocity, decreased internal receiver wear, and a softer recoil impulse compared to carbine-length gas configurations. The government profile contour maintains structural rigidity and heat absorption capacity behind the gas block while tapering toward the muzzle to keep front-end handling nimble and well-balanced.
With its fast 1:7" twist rate, this barrel stabilizes a wide spectrum of 5.56x45mm NATO and .223 Remington ammunition, from standard 55gr training rounds up to heavy 77gr match-grade projectiles. Threaded 1/2"-28 at the muzzle and engineered with an M4 feed ramp barrel extension and a 0.750" gas block journal, the Ballistic Advantage BABL556015M is a versatile, non-NFA, battle-ready barrel for home defense, tactical staging, and general range applications.
*Armorer Bench Notes & Real-World Staging Guidance:
Fitment Matrix: Installs into all standard AR-15 / M4 upper receivers. Features an M4 feed ramp extension and a 0.750" gas block journal. Note: Meets 16-inch minimum rifle barrel length requirements (non-NFA item), allowing standard assembly with any 1/2"-28 threaded muzzle device without requiring pin-and-weld work.
- Verify host upper receiver is clean, safe, and free of metal shavings prior to barrel extension alignment.
- Apply anti-seize grease to upper receiver threads, seat the barrel extension, and torque barrel nut to 35–50 ft-lbs per handguard manufacturer specifications.
- Install a 0.750" gas block with a mid-length gas tube; verify precise gas port alignment before securing set screws or roll pins.
Key Features
- 4150 Chrome Moly Vanadium Steel: Heavy-duty barrel steel alloy engineered for high thermal tolerance and extended service life.
- QPQ Corrosion Resistant Finish: Nitride/Melonite surface treatment provides severe abrasion, chemical, and corrosion protection inside the bore and out.
- Mid-Length Gas System: Delivers a softer recoil impulse, reduced bolt carrier velocity, and decreased component wear on 16" builds.
- 1:7" Twist Rate: Accurately stabilizes popular medium-to-heavy 5.56 NATO projectiles (55gr up to 77gr match ammunition).
- Government Profile Contour: Balances weight distribution for duty-grade durability behind the gas block and swift handling up front.
- 1/2"-28 Threaded Muzzle: Standard thread pitch accepts all popular 5.56mm flash hiders, muzzle brakes, and suppressor mounts.
Product Specifications
- Brand: Ballistic Advantage
- Line: Modern Series
- MPN / Part Number: BABL556015M
- UPC: 819747020093
- Caliber: 5.56 NATO / .223 Remington
- Barrel Length: 16.0 Inches
- Profile: Government Profile
- Gas System Length: Mid-Length
- Gas Block Journal: 0.750 Inches
- Twist Rate: 1:7" Right-Hand Twist
- Material: 4150 Chrome Moly Vanadium (CrMoV) Steel
- Finish: QPQ Corrosion Resistant (Nitride)
- Muzzle Thread: 1/2"x28 TPI
- Barrel Extension: M4 Feed Ramps
- Mass: ~28.0 oz (793.8 g / 1.75 lbs)
