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Old August 29, 2010, 08:54 PM   #6
darkgael
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Join Date: February 9, 2006
Location: Homes in Brooklyn, NY and in Pennsylvania.
Posts: 5,473
data

Lyman GPR Flintlock. 32 inch barrel 1-60" twist.
Primed with FFFFg powder - about six grains.
.490 cal Lead round ball (177 grains)
0.010 lubed patch.
90 grains of FFg Goex
0.030 Walters Wad over the powder.
Muzzle Velocity = nominal 1900 fps.
Accuracy - three consecutive shots at 100 yards, benched:
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