I have three Encore frames with rifle barrels in 243, 7mm08 and 7 Rem. Mag. Four Contender frames, two G2's and two older models. Pistol barrels in 22 lr, 7tcu, 30-30(14"), 357 Max and 44 Mag (14"). Rifle barrels in 7/30 Waters. 30 Badger wildcat and 223. I guess I like them a lot.
Probably the best thing I have done for accuracy is make sure they all have Bellm oversize pins in the barrel/frame attachment hole.

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Front sight and squeeze