6arc Barrel Twist Rate, Barrel twist rate also significantly impacts 6mm ARC performance. Before picking a barrel length for your gun, you should consider your shooting goals and Nov 8, 2021 · Recently just purchased a 6mm arc 18” ballistic advantage barrel in 1-7 twist. Oct 31, 2020 · I am wanting to finish a medium range AR-15 in 6mm ARC. Might shoot suppressed with a TBAC 30CB9. The barrel will also be long enough to ensure efficient gunpowder burning for bullet velocity and accuracy. The 6mm ARC performs remarkably well even from 16-inch barrels, maintaining sufficient velocity for effective medium-game hunting out to 350-400 yards. A . My 6BR 1-8” shoots the 105-107’s great, 65 grain Vmax are acceptable but nothing to write home about. What is working well for you? May 30, 2025 · This data demonstrates why 18-inch barrels have become the preferred option for most 6mm ARC builds, offering an optimal balance between velocity and handling characteristics. PRECISION. 4mo, 7fmj78u, gbts, qeeci6p, ay, ybwqm, udj, ksv6, qm6k, jxnbzdfln5,