01 April 2008, 05:31
jwp475Chrono Results & A Few Surprises
I chronographed a Few Handgun rounds today, a few of the results were surprising...
The Remington (Green & White Box)Promotinal 230 JHP (non +P) was much faster than expected as were the Tarus Hex bullets.
The Results'
45 ACP 5" 1911 test gun
Load.........................Velocity
230 JHP REM....................975 FPS..... Surprisingly fast
185 Tarus Hex.................1117......... Faster than expecteed
230 Gold Dot B.B. +P...........969.........Slower than the last lot tested
41 Mag 4" S&W M-57
Load.........................Velocity
170 gr. JHC B.B..............1536 FPS
230 LSWC B.B.................1338
265 WLFN.....................1266
210 Rem. JSP.................1303
These velocities were pretty close to the advertised speeds with no surprises
357 4" S&W M-19
Load.........................Velocity
145 gr. Silver Tip...........1283 FPS
158 Gold Dot B.B.............1358
158 Gold Dot Speer Load......1146 Slower than expected
357 6" S&W M-19
145 Silver Tip..............1242 FPS Slower than the 4"
158 Gold Dot B.B............1417 59 FPS faster than 4"
158 Gold Dot Speer..........1152 only 6 FPS faster than 4"
The difference in velocity between the 4" M-19 and the 6" M-19 was also surprising
The abbrieviation B.B. stands for Buffalo Bore
01 April 2008, 08:39
WhitworthInteresting results, John. As soon as it warms up I intend to do some chronographing myself........