DoubleTap 38 Spl +P 158 gr SWC

[Hi-Speed]

Chronographed the DoubleTap 38 Spl +P 158 gr SWC, this time I gave it a fair shake and shot a ten shot string:
Firearm: Ruger 4 5/8 inch Blackhawk
Shot #/MV
1. 972
2. 940
3. 921
4. 967
5. 961
6. 961 (duplicate)
7. 937
8. 931
9. 932
10. 955

Hi 972
Lo 921
Avg 947
ES 51
SD 16

Notes: 947 fps (avg) can be duplicated +/- in my Ruger 4 5/8 inch using 5.6 grs Power Pistol and 158 gr cast SWC.