AA 1680 and 357 Super MAG Reloading, Gunsmithing and Grip Making Forum Dan Wesson Forum

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AA 1680 and 357 Super MAG

PAbowhunter

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August 7, 2015 - 8:44 pm

Fun day at the range with the .357 Super Mag and a New 8" Barrel. I had been on a waiting list for more than 16 months at a local reloading/Gun Store for some AA 1680 powder and it finally came in. So here is what I loaded and here are the results. Using Hornady 180 Grain XTP bullets. and CCI Small Rifle Primers.

Set: 91 
Created: 08/07/15 05:51 PM
Description: 357 max dan Wesson v40 8"
Notes 1: AA 1680 25 gr 
Notes 2: Hornady XTP 180 gr 
Distance to Chrono(FT): 10.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 180.00
Temp: 82 °F
BP: 29.87 inHg
# FPS FT-LBS PF
5 1523 927.23 274.14 
4 1522 926.01 273.96 
3 1509 910.26 271.62 
2 1517 919.94 273.06 
1 1546 955.45 278.28 
Average: 1523.4 FPS
SD: 13.8 FPS
Min: 1509 FPS
Max: 1546 FPS
Spread: 37 FPS
Shot/sec: 0.2
True MV: 1525 FPS
Group Size (in): 0.00

--------------------------------------------
Set: 90 
Created: 08/07/15 05:49 PM
Description: 357 max dan Wesson v40 8"
Notes 1: AA 1680 24.5 gr 
Notes 2: Hornady XTP 180 gr 
Distance to Chrono(FT): 10.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 180.00
Temp: 82 °F
BP: 29.87 inHg
# FPS FT-LBS PF
5 1537 944.36 276.66 
4 1511 912.68 271.98 
3 1497 895.84 269.46 
2 1490 887.48 268.20 
1 1542 950.51 277.56 
Average: 1515.4 FPS
SD: 23.3 FPS
Min: 1490 FPS
Max: 1542 FPS
Spread: 52 FPS
Shot/sec: 0.2
True MV: 1517 FPS
Group Size (in): 0.00

--------------------------------------------
Set: 89 
Created: 08/07/15 05:47 PM
Description: 357 max dan Wesson v40 8"
Notes 1: AA 1680 24 gr 
Notes 2: Hornady XTP 180 gr 
Distance to Chrono(FT): 10.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 180.00
Temp: 82 °F
BP: 29.87 inHg
# FPS FT-LBS PF
5 1500 899.44 270.00 
4 1498 897.04 269.64 
3 1509 910.26 271.62 
2 1477 872.07 265.86 
1 1495 893.45 269.10 
Average: 1495.8 FPS
SD: 11.7 FPS
Min: 1477 FPS
Max: 1509 FPS
Spread: 32 FPS
Shot/sec: 0.1
True MV: 1497 FPS
Group Size (in): 0.00

--------------------------------------------
Set: 88 
Created: 08/07/15 05:45 PM
Description: 357 max dan Wesson v40 8"
Notes 1: AA 1680 23.5 gr 
Notes 2: Hornady XTP 180 gr 
Distance to Chrono(FT): 10.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 180.00
Temp: 82 °F
BP: 29.87 inHg
# FPS FT-LBS PF
5 1495 893.45 269.10 
4 1390 772.36 250.20 
3 1483 879.16 266.94 
2 1513 915.09 272.34 
1 1512 913.89 272.16 
Average: 1478.6 FPS
SD: 51.1 FPS
Min: 1390 FPS
Max: 1513 FPS
Spread: 123 FPS
Shot/sec: 0.2
True MV: 1480 FPS
Group Size (in): 0.00

--------------------------------------------
Set: 87 
Created: 08/07/15 05:43 PM
Description: 357 max dan Wesson v40 8"
Notes 1: AA 1680 23 gr 
Notes 2: Hornady XTP 180 gr 
Distance to Chrono(FT): 10.00
Ballistic Coefficient: 1.000
Bullet Weight(gr): 180.00
Temp: 82 °F
BP: 29.87 inHg
# FPS FT-LBS PF
5 1494 892.26 268.92 
4 1443 832.38 259.74 
3 1448 838.16 260.64 
2 1407 791.36 253.26 
1 1449 839.31 260.82 
Average: 1448.2 FPS
SD: 30.9 FPS
Min: 1407 FPS
Max: 1494 FPS
Spread: 87 FPS
Shot/sec: 0.2
True MV: 1449 FPS
Group Size (in): 0.00

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