Ballistic Advantage 20" 6mm ARC DMR Profile Rifle AR-15 Barrel, Premium Black Series Review

About Ballistic Advantage 20" 6mm ARC DMR Profile Rifle AR-15 Barrel, Premium Black Series

This 6mm ARC barrel is an offering from Ballistic Advantage and is a product from their Premium Black Series of tactical gun parts.  It is a 20-inch long barrel made to accept the 6mm ARC rounds from a specialty build chambered in this caliber.  The barrel supports a rifle-length gas system that has proven to be the best length system in a barrel this length, allowing for the dwell to be minimized as well as providing a softer feeling recoil.  In addition to this the longer barrel with the rifle-length system will provide the user greater projectile velocity, an advantage in certain applications.  This barrel is machined by Ballistics Advantage from 416 stainless steel. Features: 6mm ARC 20″ 1:7 twist rate 5/8×24 DMR profile .750 gas block Rifle-length gas system Weight: 46.2 oz The “DMR” profile stands for “designated marksman rifle”. This moniker is descriptive of the type of shooting that this barrel is best for. Since it heats and cools more slowly due to the fact that the area under the handguard is heavier and the taper toward the muzzle is slight. This heavier 46.2 oz barrel was meant to cater to the shooter who needs a less dramatic effect from a thinner lighter profile which can lose accuracy after heating up to a certain point. Additionally, you can put a high number of rounds through the barrel over its lifetime, meaning it is a decent option for those who practice a lot, but need the long range, long-life potential of this heavier profile.

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