Quote:
Originally Posted by Bruce Day
......Parker intended chambers to be shorter than the fired cartridge, and that the minimal pressure rise from a slightly long cartridge extending into the forcing cone is beneficial and intended......
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Although evidence exists that Parker intended chambers to be shorter than a fired shell there is also evidence ammunition manufacturers disagreed with that practice and they provided warning labels to that effect.
Vintage Remington Express 3 3/4 dram, 1 1/4 ounce 2 3/4" paper shell, star crimp I believe with card glued on top.
"These shells must not be used in guns having damascus or twist steel barrels, or chambers shorter than 2 3/4 inches"
Warning on the left side said it is dangerous to place 12ga shells in 8 gauge guns..... can't recall seeing that warning before over the more usual 20ga in a 12ga warning.