Using a barrel crafted to a similar substantial requirements because the X-Bolt, the Browning AB3 packs tremendous precision and functions into an excellent benefit selling price. The GAU-18/A is a lightweight variant from the M2/M3 and is particularly utilised around the USAF's MH-53 Pave Lower and HH-60 Pave Hawk helicopters. https://browningfirearmstoreusa.com/