I have/had both of these rifles. And have liked both. The Jaeger is not typical of the Jaeger we know, more like a shorten Lancaster PA rifle. And of course, much discussion on the fast rate of twist has occurred. I shot mine with a .530 ball with .016 pillow ticking patch and 70 grains fffg powder. For me it shot very well. I could group it within 1-1 1/2 inches at 50 yards. I am more of a woods walk shooter and also a hunter of sorts, but had not shot any deer with it. Never saw one while hunting it. It handled nicely and when fitted with a sling carried fine. The barrel is 1" octagon and it can be bored out a bit, maybe to a .58. Ignition was good, lock functioned as it should. The Mortimer is also a nice rifle, more indicative of early (1820-30 ish) English hunting style. It is as heavy, if that matters, as the Jaeger. This is because the length of the barrel is longer. But then weight is subjective, sort of, depending on shooter. I have a 47" long rifle that is heavy also, but one gets used to it. The Mortimer shoots well, again, 1-1 1/2" groups at 50 yards. (Maybe my eyes can't do better, both guns could do more, especially with some sight other than the open ones of my guns). I used the same load as above and was/am happy. Lock is fast and reliable.
I liked both guns at the time that I owned them. I however, do like some PC restrictions, and to me, the Jaeger wasn't quite there. Normally I shoot a custom Lancaster rifle with swamped barrel, or my .36 Kibler Mountain rifle.
I hope this helps your decision. I am sure anyway you go, you will be satisfied. I was/am. PM me if you want any more info on the rifles.
