Charlie, I don't have an 8 dram powder measure even though I have searched for one for years. I assume Bridgeport Gun Implement Co. manufactured these items for Parker as they are exact copies of contemporary mfg. by BGICO. I have an extensive collection of 8 gauge cartridges. The heaviest factory loads I have encountered are 7 drams - 2 1/4 oz, black powder for U.S. ammo companies British 8 ga. loads were as heavy as 8 drams and 3 oz. of shot. Such a loading was probably impossible to pack into a 3 1/4" case. But the British chambered the 8 ga. in lengths up to 4 1/4", thus much more space for the bulk of 8 drams of powder and necessary wadding. I have a book on 8 ga. reloading by Mc Dougall in which he lists smokeless loads of 3oz.
bryan
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