I can pretty much do that with a set of Detch 10 cal ogive dies that I have. I'll see what I can do. but it's "that time of yr"
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190 grain 7mm Matrix Bullets
- Thread starter Obtunded
- Start date
I can pretty much do that with a set of Detch 10 cal ogive dies that I have. I'll see what I can do. but it's "that time of yr"
i can pretty much do that with a set of detch 10 cal ogive dies that i have. I'll see what i can do. But it's "that time of yr"
tease!
Here is some interesting info for the 7mm 190 for those who have a Hoover tipping die. I came across this on another form seems a US shooter is also found of the 190's and spoke directly with Hoover dies to custom make a pointing sleeve. So for you guys that like the 190's this should be promising.
I have a Hoover pointing die and I had the guy at Hoover make me a special pointing punch specifically for the Matrix 190gr and I can get the point down to .053" without deforming the jacket.What percentange gain am I getting on the B.C. by having this done? Oh and yes they are accurate bullets, I am seating off the lands by .025". What distance are you guys seating them off the lands? I shoot a custom 7mm Dakota 25.5" Krieger 1-8.5 5R twist #5contour and using Retumbo 73.5grs for 2900fps.
Here is Bryan Litz response to a similar question.
Since this bullet has a wide meplat (0.075") to begin with, I expect you could improve the BC by as much as 8%-10% by pointing the meplat. Bullets with smaller meplats (~-.058" to 0.064") have less to gain from pointing, around 2% to 4 or 5% typically.
Thanks again Marshall for all your hard work..
Trevor
I have a Hoover pointing die and I had the guy at Hoover make me a special pointing punch specifically for the Matrix 190gr and I can get the point down to .053" without deforming the jacket.What percentange gain am I getting on the B.C. by having this done? Oh and yes they are accurate bullets, I am seating off the lands by .025". What distance are you guys seating them off the lands? I shoot a custom 7mm Dakota 25.5" Krieger 1-8.5 5R twist #5contour and using Retumbo 73.5grs for 2900fps.
Here is Bryan Litz response to a similar question.
Since this bullet has a wide meplat (0.075") to begin with, I expect you could improve the BC by as much as 8%-10% by pointing the meplat. Bullets with smaller meplats (~-.058" to 0.064") have less to gain from pointing, around 2% to 4 or 5% typically.
Thanks again Marshall for all your hard work..
Trevor
