Merkel Alternating barrel / exchange barrel Merkel RX Helix Standard (Length 51 cm with removable sights)

The standard run for changing or swapping is a pragmatist and universalist; it combines good vibration behavior and low weight with optimal tuning to the twist length suitable for the respective caliber. The barrel has a muzzle thread M15x1.

Standard calibers have a barrel length of 56 cm. Magnum caliber 61cm.