Glock 20SF- Buffalo Bore 180grJHC

Buffalo Bore 180gr JHC report.

http://i48.photobucket.com/albums/f2...ps772c765e.jpg

Looking inside we find a propellant charge of 10.0grs.

http://i48.photobucket.com/albums/f2...psf6703936.jpg

A closer look at the propellant..

http://i48.photobucket.com/albums/f2...ps249334d1.jpg

The bullet, a Speer Gold Dot, weighed in at 179.2grs.

http://i48.photobucket.com/albums/f2...psb877c72c.jpg

At the range, five rounds were fired over an Oehler model 33 chronograph at a 5½” target 25 yards downrange. Sky screens centered 10’ from the muzzle of a Glock 20-SF with stock spring and barrel.

http://i48.photobucket.com/albums/f2...ps62ddeea4.jpg

Stout load that is fairly accurate.

Average velocity 1256fps
44 fps spread
Standard deviation 18
Range temp 70°F

The five Starline cases miked in at;
.4333”, .4341”, .4337”, .4339”, .4340” and showed no pressure signs at all.