357 Mag REM-UMC 125gr JSP

[RDub01]

Cartridge is from Ammo Manufacture:  REM-UMC .357 Mag

Muzzle Velocity; Advertised:   1450 fps  4" barrel
Muzzle Energy; Advertised:   583 ft/lbs

Actual Instrumental Velocity:   1353 fps;  4" 686;  48°F
Target dot 4"



Brass Make/Headstamp:  Remington;  R-P 357 MAGNUM

Bullet Make/Weight/Construction/Info Remington 125gr  JSP; .3570" dia;  .563" long.                                         
Actual Weight:     125.3grs.







C.O.A.L.:    1.562"
Primer:  Nickel;  Remington 5½

Case: Brass;   1.283";  73.7grs.



Powder Description/Positive ID/Type/Charge Weight:  Flattened Ball;  19.7grs.