Not his Farquharson kits, but of Rodney's castings I have two DS Cole actions I've finished, one in .22 RF, one in 40-65, a roller in a 38-55 that just needs the wood finished and a Hepburn that should be completed this summer in a 40-82.   

I'm building a couple of  Farqy's from a plate of 2" 8620, one in a .577 - 3" and one in a 450-400.  I'm getting the details for my Farqy's from Wal Winfers' books, and a few sketches I made off of originals I fondled at the Vegas show a year ago January, trying to duplicate the early Gibb's models with all the warts, do you have drawings of these originals? preferably the Gibbs design with the lever having the lump for the extractor that eliminates the two piece extractor? and side lever, hammer blocking safeties?
I have both of these actions cut out, milled, threaded, broached and hole locations laid out fairly close, both trigger guards cut out and milled close, working on levers, breech blocks, hammers, and triggers.  The barrels blanks are acquired, wood is in stock, chambering reamers made, and some dummy rounds for fitting made, waiting on free time...  Most of my gun projects are usually winter projects and darn it!  I'm running out of winter...  I'll try and post a few pictures of the builds from the beginning so bear with me.

My guess is I have had more Farquharsons through my shop than most folks see in several lifetimes. Currently have four in house, a Webely and a Holland Woodward as well. I have never had a Fark in with out the 2 piece extractor. I can most likely help you out with dimensions if you need it. Here is mine, the only Holland single chambered for .30 Super.....We have bonded very well and it is my go to deer rifle. Deer pictured taken at over 200 yards with open sights. 

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