Gun details aside most factory 16g field loads are too strong to shoot comfortably in my Parker’s. I often buy Herters 1 oz field loads shoot them in a Remington pump & save the hulls to load for the SXS guns. Not a good load for my Trojan, way too much recoil for my Parker Hammer 16 .
Thing about 16s do you want them to perform like 12s or 20s. Targets I use RST or load to duplicate RST 3/4 oz. at 1180 FPS. Live birds 7/8 makes a fine 16g load. Either one 20 g dublicate. When I want 1 oz I use a 12g.
On low pressure, it’s a result of the components, primarily the powder. Wad too. Major manufacturers looking to save money can load faster powders with smaller charges resulting in higher pressure and recoil. Note Reserchers post quoting “Progressive “ powders in period shells. Most modern field loads don’t use more expensive progressive powders. Shoot one of RSTs 12 G loads and the same shot weight and velocity Winchester 12 G Walmart pack, you will see significant difference in recoil, and likely much higher pressure. OK in a modern gun recipe for trouble in a fine old SXS . Save money by using appropriate shells at higher cost and avoid expensive stock repairs.
William
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