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Rifles, Reloading, Optics, Equipment
Reloading
7mm Ultra Mag...180 Berger...Need Data
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<blockquote data-quote="william70d" data-source="post: 422992" data-attributes="member: 26698"><p>Well I ran some numbers on patagonia ballistics load base and even though I am going 2930 fps with the 180 berger it doesnt go subsonic untill 2000 yards. Understand this is info from a very good ballistics calculator so I am no going to guarantee it to be exact. This gun will be limited to 1200 yards simply because that is as far as my range goes. At 1200 yards the round is at about 1660 fps with approx 1100 ftlbs of energy. If the gun will shoot my current load accurately at (less than 1 moa). I probally wont change a thing. I dont see any real advantages of going 100 to 200 fps faster other than shooting a little flatter. With the current velocity I am going the barrel might last a little longer as well. I need to get out and shoot at distance to see how this thing groups. Let me say again all of the number I am giving in this post other than the velocity from my load which I chronographed is from load base 3.0. I am very happy with this ballistics software. On my 308 winchester the first time I used the software it was within one 1/4 minute click at 1000 yards compared to my load developed range card. which I thought was unbelivably accurate.</p></blockquote><p></p>
[QUOTE="william70d, post: 422992, member: 26698"] Well I ran some numbers on patagonia ballistics load base and even though I am going 2930 fps with the 180 berger it doesnt go subsonic untill 2000 yards. Understand this is info from a very good ballistics calculator so I am no going to guarantee it to be exact. This gun will be limited to 1200 yards simply because that is as far as my range goes. At 1200 yards the round is at about 1660 fps with approx 1100 ftlbs of energy. If the gun will shoot my current load accurately at (less than 1 moa). I probally wont change a thing. I dont see any real advantages of going 100 to 200 fps faster other than shooting a little flatter. With the current velocity I am going the barrel might last a little longer as well. I need to get out and shoot at distance to see how this thing groups. Let me say again all of the number I am giving in this post other than the velocity from my load which I chronographed is from load base 3.0. I am very happy with this ballistics software. On my 308 winchester the first time I used the software it was within one 1/4 minute click at 1000 yards compared to my load developed range card. which I thought was unbelivably accurate. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
7mm Ultra Mag...180 Berger...Need Data
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