These guns were LR only, although the barrel is ok for Magnum. I have added Magnum Cylinder to mine.
The early guns came with fluted cylinders, and later offered only in Bisley roll marked cylinders.
The grips on the GB gun are original and in my opinion some of the best ever made.
I have had 5 and everyone has been a excellent shooter with either cylinder.
No bids on the GB gun and the starting price is a good buy, especially where one would get a magnum cylinder included.
I bought one off GB that had been left in a holster that had got wet and rusted & pitted the last ~2" of the barrel, am currently cutting it down to 3.75", drift front sight, and Brass Birdshead, Magnum cylinder too.
These guns were slow sellers, IMO a gun before it's time. (with the Bisley features)
FWIW; These guns were also offered in 32h&r Mag, a little taller front sight, early were fluted/ later were Bisley roll mark, real good shooters too.