The Helix is the latest bolt action rifle in the MEM range from Merkel it combines state-of-the-art hunting rifle construction with functions that set new standards. The true linear bolt action rifle works blindingly fast with a transmission unit. Neither the bolt handle nor the cylinder breech move towards the shooters eye the system housing is closed at the rear. This creates perfect conditions for bolt action shooting. FEATURES Actual 2:1 trans-mission ratio in the straight-pull action for the fastest possible bolt-action shooting. Barrel and calibre change without tools (Take-Down). Solid bolt head with six locking lugs. Linear bolt action rifle, closed system housing, manual cocking lever. High reserves: 51 magazine (for std. caliber) or 31 magazine.