The BCM 14.5-inch ELW barrel assembly (brand part no. BCM-ELW14-KIT) is a mid-length 5.56 NATO AR-15 barrel in Bravo Company’s Enhanced Lightweight profile, which keeps a heavier section at the breech and tapers toward the muzzle for balance without the whip of a pencil barrel. Bravo Company makes the barrel from Mil-Spec 11595E chrome moly vanadium steel, chrome lines the bore and chamber, finishes it in manganese phosphate and cuts M4 feed ramps for reliable feeding. Every barrel is high-pressure tested and magnetic particle inspected, and the 1:7 twist is the USGI standard that stabilizes heavy 5.56 loads. The .625-inch gas block journal takes a low-profile gas block, and BCM omits the sharp handguard cap shoulder to improve barrel harmonics. For a duty-grade lightweight carbine build, this is the barrel BCM built its reputation on.

Key Specifications

• The chamber is 5.56 NATO, the military chambering that also accepts .223 Remington.
• Barrel length is 14.5 inches, the M4 carbine length.
• The gas system is mid-length, for a softer impulse than a carbine-length system on this barrel length.
• The profile is Enhanced Lightweight, heavier at the rear and tapered in front for weight and balance.
• The gas block journal is .625 inch, for a low-profile gas block.
• The twist rate is 1:7, the USGI standard for heavy 5.56 bullets.
• The steel is Mil-Spec 11595E chrome moly vanadium, the barrel steel specified for the M4.
• The bore and chamber are chrome lined, for barrel life and easy cleaning.
• The finish is manganese phosphate, the durable parkerized finish on military barrels.
• It has M4 feed ramps and is HPT/MPI tested, with the barrel weighing about 1 pound 5 ounces.

Frequently Asked Questions

What length gas system does it use? Mid-length. BCM pairs the 14.5-inch ELW barrel with a mid-length gas system and a .625-inch gas block journal.

Is the bore chrome lined? Yes. The bore and chamber are chrome lined, and the barrel is finished in manganese phosphate.

Why the Enhanced Lightweight profile? BCM keeps a heavier profile at the rear and tapers the front, which saves weight and improves balance, and it leaves off the sharp handguard cap shoulder for better barrel harmonics.

Buy the BCM 14.5-Inch Enhanced Lightweight Mid-Length 5.56 NATO AR-15 Barrel Assembly

BCM barrels are the benchmark for a lightweight carbine that runs hard, and the ELW profile is the one that balances best in the hands. Order it with the rest of our AR-15 barrels from our Lubbock, Texas gun shop for fast, insured shipping.