Red deer are almost elk size and a 300 grain .405 bullet will stop them in their tracks - bang flop! Guide said this one was a 300 pounder! Still eating on it!
Simson & CO Suhl .405 WCF double.
For sharps45-90, Picture of scoped double with Talley QD rings that clamp onto grooves in the rear rib, giving same view as through express sights: