Powders For the 300 blk. Links to published Data added.

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Frankie3181
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Posts: 9
Joined: Sun Feb 06, 2022 10:28 pm

Re: Powders For the 300 blk. Links to published Data added.

Post by Frankie3181 »

Correct, it won't function in my ar, but my bolt action it shoots great.
Agbrownmc
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Posts: 6
Joined: Thu Nov 18, 2021 11:57 am

Re: Powders For the 300 blk. Links to published Data added.

Post by Agbrownmc »

300BO Bolt Gun Reloading

If there is any interest in 300 bolt gun data I will continue to update the post.

Load development with a 16” 300 BO Ruger American Ranch 1:7 and a 7” JTAC Industries 300BO BO 1:5

Powders used H110, IMR4227, CFE BLK…..

Bullets used Berry’s 220gr, 220gr SMK, 200gr Maker Rex, 194gr Lehigh ME, Hornandy 150gr, NATO 147gr.

Chronograph Caldwell 2.0 (not happy with it)
(Won’t sync the weather data, and has multiple error readings)

Created: 09/08/22 12:08
Description: 16in 220BER 8.9 H110
Notes 1: 220gr Berry’s
Notes 2: 8.9gr H110
Distance to Chrono(FT): 10.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 220.00
Temp: 73 °F
BP: 30.10 inHg
Altitude: 2500
# FPS FT-LBS PF
5 1027 516.28
4 1030 518.34
3 1021 509.32
2 1035 523.38
1 1034 522.37
Average: 1030.0 FPS
SD: 6.4 FPS
Min: 1021 FPS
Max: 1035 FPS
Spread: 14 FPS
True MV: 1031 FPS

Created: 07/14/22 16:14
Description: 16in 220 BER 10.0 4227 2.204OAL
Notes 1:
Notes 2: 1st shot deleted 904fps
Distance to Chrono(FT): 6.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 220.00
Temp: 86 °F
BP: 29.84 inHg
Altitude: 2500
# FPS FT-LBS PF
4 1014 502.36
3 1002 490.54
2 1007 495.45
1 1014 502.36
Average: 1009.2 FPS
SD: 5.9 FPS
Min: 1002 FPS
Max: 1014 FPS
Spread: 12 FPS
Shot/sec: 0.1
True MV: 1010 FPS


Created: 07/04/22 13:02
Description: 16in LEHIGH 194 10gr 4227
Notes 1: 10.0-10.1 4227
Notes 2: 2.20 COAL
Distance to Chrono(FT): 10
Ballistic Coefficient: 1.000
Bullet Weight(gr): 194.00
Temp: N/A °F
BP: N/A inHg
Altitude: 2500
# FPS FT-LBS PF
4 992 423.98
3 997 428.26
2 996 427.40
1 989 421.41
Average: 993.5 FPS
SD: 3.7 FPS
Min: 989 FPS
Max: 997 FPS
Spread: 8 FPS
Shot/sec: 0.1
True MV: 994 FPS

Created: 09/08/22 12:03
Description: 16in 110 vmax 19.0 H110 2.089
Notes 1: 110gr Hornandy VMAX
Notes 2: 19.0gr (Compressed) H110
Distance to Chrono(FT): 1.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 110.00
Temp: 73 °F
BP: 30.04 inHg
Altitude: 2500
# FPS FT-LBS PF
5 2496 1521.94
4 2467 1486.78
3 2512 1541.51
2 2538 1573.59
1 2506 1534.16
Average: 2503.8 FPS
SD: 25.8 FPS
Min: 2467 FPS
Max: 2538 FPS
Spread: 71 FPS
Shot/sec: 0.1
True MV: 2504 FPS

Created: 09/08/22 12:27
Description: 7in JTAC 110vmax H110
Notes 1: 110gr Hornandy VMAX
Notes 2: 19.0gr (compressed) H110
Distance to Chrono(FT): 10
Ballistic Coefficient: 1.000
Bullet Weight(gr): 110.00
Temp: 73 °F
BP: 30.04 inHg
Altitude: 2500
# FPS FT-LBS PF
3 2087 1064.03
2 2147 1126.09
1 2136 1114.58
Average: 2123.3 FPS
SD: 31.9 FPS
Min: 2087 FPS
Max: 2147 FPS
Spread: 60 FPS
Shot/sec: 0.1
True MV: 2124 FPS


Created: 09/11/22 18:15
Description: 7in JTAC 220BER 10.0 CFE
Notes 1: 10.0gr CFE 220gr Berry’s
Notes 2: new chronograph
Distance to Chrono(FT): 10.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 220.00
Temp: 76 °F
BP: 29.92 inHg
Altitude: 2500’
# FPS FT-LBS PF
6 881 379.22 
5 896 392.24 
4 904 399.28 
3 863 363.88 
2 870 369.81 
1 874 373.22 
Average: 881.3 FPS
SD: 15.8 FPS
Min: 863 FPS
Max: 904 FPS
Spread: 41 FPS
Shot/sec: 0.1
True MV: 882 FPS

Created: 09/08/22 12:34
Description: 7in JTAC 200makers 7.6g H110
Notes 1: 200gr Makers Rex 7.6gr H110
Notes 2: old chrono
Distance to Chrono(FT): 10.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 200.00
Temp: 73 °F
BP: 30.10inHg
Altitude: 2500
# FPS FT-LBS 
6 1183 621.61 
5 1186 624.76 
4 1216 656.77 
3 1209 649.23 
2 1150 587.41 
1 1203 642.80 
Average: 1191.2 FPS
SD: 23.9 FPS
Min: 1150 FPS
Max: 1216 FPS
Spread: 66 FPS
Shot/sec: 0.1
True MV: 1192 FPS

Created: 09/11/22 18:12
Description: 7inJTAC 220SMK 9.0 4227
Notes 1: 76deg 29.92
Notes 2: new chronograph
Distance to Chrono(FT): 6.00
Ballistic Coefficient: 0.608
Bullet Weight(gr): 220.00
Temp: 76 °F
BP: 29.92 inHg
Altitude: 0.00
# FPS FT-LBS
6 ERROR 3
5 ERROR 3
4 875 374.07
3 888 385.27
2 923 416.24
1 921 414.44
Average: 901.8 FPS
SD: 24.0 FPS
Min: 875 FPS
Max: 923 FPS
Spread: 48 FPS
Shot/sec: 0.1
True MV: 902 FPS
Boomer
New Member
Posts: 1
Joined: Mon Oct 24, 2022 8:35 am

Re: Powders For the 300 blk. Links to published Data added.

Post by Boomer »

Please keep updating..have the RAR in 300 blk....interested in subsonics and determining the most quiet and accurage powder for heavy and light bullets....thanks
bentstick
Member
Posts: 15
Joined: Thu Mar 14, 2019 4:51 pm

Re: Powders For the 300 blk. Links to published Data added.

Post by bentstick »

Yes please keep updating.
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