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Casimer · January 8, 2009, 05:28 PM

1/2 is about right. The black on the NRA SR is 13" at 200yds and 6 3/8" on the SR1, which is the SR reduced for 100yds.

Here's a spreadsheet for determining the dimensions of reduced targets - http://www.ray-vin.com/tech/targets/reducing.xls

The actual formula incorporates the bullet diameter.

January 8, 2009, 05:28 PM	#3
Casimer Senior Member Join Date: April 23, 2007 Location: Pennsylvania, USA Posts: 1,918	1/2 is about right. The black on the NRA SR is 13" at 200yds and 6 3/8" on the SR1, which is the SR reduced for 100yds. Here's a spreadsheet for determining the dimensions of reduced targets - http://www.ray-vin.com/tech/targets/reducing.xls The actual formula incorporates the bullet diameter.