7828 powder
- Thread starter spires5d
- Start date
- Oct 30, 2004
- 24,458
- 3,534
YUP 68-69 grains. Good for 3150.
Start low work up slow!
Start low work up slow!
- Thread starter
- #3
- Oct 30, 2004
- 24,458
- 3,534
I pulled the remington factory loads with the 150 BT. They also had 68-69 gr of a powder that looked exactly like 7828. So I worked it up and got same accuracy and velocity from my 75 Sako.
DrMike
Ballistician
- Nov 8, 2006
- 37,547
- 6,628
IMR7828 used to be the powder Winchester used for the 7RM. That was when it was a non-canister powder some years back. Then, it was released to the hand loading market. As Fotis has said, it is a fine powder for the 7RM.
Oldtrader3
Ammo Smith
- Nov 6, 2009
- 8,406
- 6
I use it with the 160 Partition, 66.0 gr in the 7mm Rem Mag at about 3060 fps with Fed 215 primer. Weatherby used it in their magnums, up to the .340 years ago, as well.
Jimbeaux82
Handloader
- Jan 6, 2011
- 413
- 188
I use 70.0 grs IMR 7828, 150 NP or 154 SST, 3000 fps , 3/4" groups in a Tikka.
I have used 7828 a few times in my 7mm Rem Mag as well. Pretty great powder for the cartridge.
Cartridge : 7 mm Rem. Mag.(SAAMI)
Bullet : .284, 150, Nosler BalTip 39586
Useable Case Capaci: 73.743 grain H2O = 4.788 cm³
Cartridge O.A.L. L6: 3.290 inch = 83.57 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : IMR 7828 SSC
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 89 62.24 2827 2661 44208 12516 95.2 1.330
-09.0 90 62.94 2860 2724 45734 12666 95.7 1.308
-08.0 91 63.63 2894 2789 47316 12811 96.2 1.287
-07.0 92 64.32 2927 2854 48957 12950 96.6 1.267
-06.0 93 65.01 2961 2919 50659 13083 97.1 1.247
-05.0 94 65.70 2994 2986 52423 13211 97.5 1.227
-04.0 95 66.39 3028 3053 54254 13333 97.8 1.207
-03.0 96 67.09 3061 3121 56153 13449 98.2 1.188 ! Near Maximum !
-02.0 97 67.78 3094 3189 58127 13558 98.5 1.170 ! Near Maximum !
-01.0 98 68.47 3128 3258 60176 13660 98.8 1.151 ! Near Maximum !
+00.0 99 69.16 3161 3328 62305 13756 99.0 1.133 ! Near Maximum !
+01.0 100 69.85 3194 3399 64516 13844 99.3 1.115 !DANGEROUS LOAD-DO NOT USE!
+02.0 101 70.54 3228 3470 66817 13926 99.5 1.098 !DANGEROUS LOAD-DO NOT USE!
+03.0 102 71.23 3261 3541 69207 14000 99.6 1.081 !DANGEROUS LOAD-DO NOT USE!
+04.0 103 71.93 3294 3613 71695 14066 99.8 1.064 !DANGEROUS LOAD-DO NOT USE!
+05.0 104 72.62 3327 3686 74284 14125 99.9 1.047 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 99 69.16 3312 3653 75788 13307 100.0 1.045 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 99 69.16 2951 2900 50306 13405 93.2 1.247
Cartridge : 7 mm Rem. Mag.(SAAMI)
Bullet : .284, 150, Nosler BalTip 39586
Useable Case Capaci: 73.743 grain H2O = 4.788 cm³
Cartridge O.A.L. L6: 3.290 inch = 83.57 mm
Barrel Length : 24.0 inch = 609.6 mm
Powder : IMR 7828 SSC
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 89 62.24 2827 2661 44208 12516 95.2 1.330
-09.0 90 62.94 2860 2724 45734 12666 95.7 1.308
-08.0 91 63.63 2894 2789 47316 12811 96.2 1.287
-07.0 92 64.32 2927 2854 48957 12950 96.6 1.267
-06.0 93 65.01 2961 2919 50659 13083 97.1 1.247
-05.0 94 65.70 2994 2986 52423 13211 97.5 1.227
-04.0 95 66.39 3028 3053 54254 13333 97.8 1.207
-03.0 96 67.09 3061 3121 56153 13449 98.2 1.188 ! Near Maximum !
-02.0 97 67.78 3094 3189 58127 13558 98.5 1.170 ! Near Maximum !
-01.0 98 68.47 3128 3258 60176 13660 98.8 1.151 ! Near Maximum !
+00.0 99 69.16 3161 3328 62305 13756 99.0 1.133 ! Near Maximum !
+01.0 100 69.85 3194 3399 64516 13844 99.3 1.115 !DANGEROUS LOAD-DO NOT USE!
+02.0 101 70.54 3228 3470 66817 13926 99.5 1.098 !DANGEROUS LOAD-DO NOT USE!
+03.0 102 71.23 3261 3541 69207 14000 99.6 1.081 !DANGEROUS LOAD-DO NOT USE!
+04.0 103 71.93 3294 3613 71695 14066 99.8 1.064 !DANGEROUS LOAD-DO NOT USE!
+05.0 104 72.62 3327 3686 74284 14125 99.9 1.047 !DANGEROUS LOAD-DO NOT USE!
Results caused by ± 10% powder lot-to-lot burning rate variation using nominal charge
Data for burning rate increased by 10% relative to nominal value:
+Ba 99 69.16 3312 3653 75788 13307 100.0 1.045 !DANGEROUS LOAD-DO NOT USE!
Data for burning rate decreased by 10% relative to nominal value:
-Ba 99 69.16 2951 2900 50306 13405 93.2 1.247
