Author: Goosic
Subject: Lapua D166 and the Lee Enfield Rifle??
Posted: February 03 2020 at 8:00pm
I broke down and bought two boxes of the Lapua .310" diameter, 200gr D166 bullets. They have a sectional density of 0.301 and a ballistic coefficient of 0.483. I have 100 unprimed Herters cases that have a rim thickness of .0615,a trimmed to length of 2.21", and primer pockets cut to exacting depths of 0.130". My go to powder charge of 40.0grns of the Norma 202 will be right in the middle of minimum and maximum charge weights when compared to the Woodleigh 215grn bullets. The only thing I can compare these to when the time arises will be my Hornady .312" 174grn BTHP Graf bullets with a ballistic coefficient of 0.470 and a sectional density of 0.258. Case length, primers,and powder charge will be identical between the two test loads. I will update when I actually have the Lapua bullets loaded. They should be here next week...
Subject: Lapua D166 and the Lee Enfield Rifle??
Posted: February 03 2020 at 8:00pm
I broke down and bought two boxes of the Lapua .310" diameter, 200gr D166 bullets. They have a sectional density of 0.301 and a ballistic coefficient of 0.483. I have 100 unprimed Herters cases that have a rim thickness of .0615,a trimmed to length of 2.21", and primer pockets cut to exacting depths of 0.130". My go to powder charge of 40.0grns of the Norma 202 will be right in the middle of minimum and maximum charge weights when compared to the Woodleigh 215grn bullets. The only thing I can compare these to when the time arises will be my Hornady .312" 174grn BTHP Graf bullets with a ballistic coefficient of 0.470 and a sectional density of 0.258. Case length, primers,and powder charge will be identical between the two test loads. I will update when I actually have the Lapua bullets loaded. They should be here next week...
I need to note here that,I chose the Herters cases because of their similarities to the original military cartridges as far as thickness and hardness goes.![]()
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