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TMD · November 26, 2012, 05:34 PM

I have a Stag model 5h upper and wasnt really all that impressed with the overall accuracy with it until I did a little research and experimenting. What I found out that with the spcII chambers a c.o.l. of 2.290-2.295 makes a world of difference. I load a Hornady 110gr BTHP with 29.0gr's of H322 and am getting about 1" groups @ 100yrds. When I set the c.o.l to 2.260 my groups open up to about 2.5". Hope this helps and check out 68forums.com for some great info.

November 26, 2012, 05:34 PM	#2
TMD Senior Member Join Date: August 9, 2011 Posts: 437	I have a Stag model 5h upper and wasnt really all that impressed with the overall accuracy with it until I did a little research and experimenting. What I found out that with the spcII chambers a c.o.l. of 2.290-2.295 makes a world of difference. I load a Hornady 110gr BTHP with 29.0gr's of H322 and am getting about 1" groups @ 100yrds. When I set the c.o.l to 2.260 my groups open up to about 2.5". Hope this helps and check out 68forums.com for some great info.