Who knows where this guy got his info, but anyway he says the Rangers used translucent white powder horns. Are there any toothmarks on the plug?
"To facilitate speedy loading, the rangers adapted a shot pouch that swung from the left shoulder to the waistline, convenient to the right hand. Inside were buckskin scraps for bullet-patches, bullets, and a box of caps, and swinging by buckskin strings below was the powder-horn-a white horn dressed so thin that the ranger, by holding it up to the sun, could see if his powder was running low. The peg, or stopper, was usually of bois d'arc or hickory, for stoppers of soft wood might swell in rainy weather and disarm an entire command."
Link
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I collect fine cannon models (patent, arsenal, salesman, maker's, presentation), mug-type brass/copper gunpowder measures, artillery sights/quadrants/shot gauges, cannon firing flintlocks, percussion locks, early artillery books, manuscripts, artillery projectiles, original cannon barrels, etc.
Must use Buy It Now and PayPal.
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vQCHU~$(KGrHqEOKiEEq4GJ0fw!BKvJi1uhPg~~_7.JPG "afantiques")
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Link to the firearms collection. 
"fingers crossed" lol
