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Joined: Dec 2007
Posts: 1,523
Campfire Regular
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OP
Campfire Regular
Joined: Dec 2007
Posts: 1,523 |
I'm loading 29gr of H4895 under a Nosler 120 BT in Remington cases with Fed 210M primers. The load shoots ridiculously well in my daughter's Rem M7 youth with 20" barrel. I ran out of bullets (except to hunt with) and time, before I could get zeros at multiple distances but I know where it shoots at 50 and 100yds as-is. Could someone give me a muzzle velocity estimate so I can plug it into a ballistics program to get drops and impact energy past 100?
Last edited by gzig5; 11/01/15.
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Joined: Dec 2004
Posts: 14,481
Campfire Outfitter
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Campfire Outfitter
Joined: Dec 2004
Posts: 14,481 |
If that 29-grain charge is not a typo, looks like it's running right at 2000 fps. Cartridge : 7 mm-08 Rem.
Bullet : .284, 120, Nosler BalTip 28120
Useable Case Capaci: 49.378 grain H2O = 3.206 cm³
Cartridge O.A.L. L6: 2.800 inch = 71.12 mm
Barrel Length : 20.0 inch = 508.0 mm
Powder : Hodgdon H4895
Predicted data by increasing and decreasing the given charge,
incremented in steps of 1.0% of nominal charge.
CAUTION: Figures exceed maximum and minimum recommended loads !
Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
% % Grains fps ft.lbs psi psi % ms
-10.0 57 26.10 1811 874 16403 5618 75.1 1.680
-09.0 58 26.39 1829 892 16766 5713 75.7 1.664
-08.0 59 26.68 1848 910 17137 5809 76.2 1.649
-07.0 59 26.97 1866 928 17517 5904 76.8 1.634
-06.0 60 27.26 1885 947 17905 6000 77.3 1.619
-05.0 61 27.55 1903 965 18300 6096 77.8 1.605
-04.0 61 27.84 1922 984 18705 6192 78.4 1.590
-03.0 62 28.13 1941 1003 19119 6289 78.9 1.576
-02.0 62 28.42 1959 1023 19541 6385 79.4 1.562
-01.0 63 28.71 1978 1042 19971 6481 80.0 1.548
+00.0 64 29.00 1997 1062 20408 6578 80.5 1.534
+01.0 64 29.29 2015 1082 20852 6674 81.0 1.520
+02.0 65 29.58 2034 1103 21303 6770 81.5 1.507
+03.0 66 29.87 2053 1123 21762 6867 82.0 1.494
+04.0 66 30.16 2072 1144 22227 6963 82.5 1.480
+05.0 67 30.45 2091 1165 22699 7059 83.0 1.467
Don't be the darkness.
America will perish while those who should be standing guard are satisfying their lusts.
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Joined: Dec 2007
Posts: 1,523
Campfire Regular
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OP
Campfire Regular
Joined: Dec 2007
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No typo, it is a touch above the starting charge recommended by Hogden with H4895 powder using their 60% reduced load rule. That is a touch slower than I had hoped for but it shoots easy for her and should have enough pop out to 100-125 yds. Thanks for your help
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Joined: Dec 2004
Posts: 14,481
Campfire Outfitter
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Campfire Outfitter
Joined: Dec 2004
Posts: 14,481 |
Don't be the darkness.
America will perish while those who should be standing guard are satisfying their lusts.
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