The two-piece round barrel off-set mount is designed for Malcolm 6X Long scope on round-barrel percussion sharps rifle, Volunteer/Whitworth, or other similar Muzzleloading rifles.
The barrel diameter must be approximately .85". The mount moves the scope 1/4" to the left to clear the hammer.
You will need to use the standard 3/8" dovetail block to lock in the offset heavy duty base.
This mounting kit is only designed to be used with the Wm. Malcolm 6X Long Telescopic Sight. The set includes both the front mount adapter and the rear off-set heavy-duty base.
Round Barrel Offset Mounting Instructions [download]