357 Mag BuffaloBore Heavy 125gr JHP 19D

[RDub01]

Cartridge is from Ammo Manufacture:  Buffalo Bore .357 Mag

Muzzle Velocity; Advertised:   1700 fps  (No barrel length mentioned) 
Muzzle Energy; Advertised:    802 ft/lbs
                                                                                       
Actual Instrumental Velocity   1506 fps;  4" 686;  44°F
Target dot 4"




Brass Make/Headstamp:  StarLine 357 MAGNUM

Bullet Make/Weight/Construction/Info: Hornady? 125gr  JHP;







.3568" dia;  .547" long;
Actual Weight:     125.0 grs.

C.O.A.L.:  1.577" 

Primer:  Nickel;  Fed 200?



Case: Brass StarLine
1.280" ;  74.0grs. w/o primer




Powder Description/Positive ID/Type/Charge Weight:  Flattened Ball;  22.4grs.;








I was thinking this powder was 300-MP, as that is the load I shoot mostly with 125gr bullets.  But after shooting this ammo and getting over 1500 fps, on a cold day no less, I don't believe this is the case.  The fastest I ever got with 300-MP was 1428 fps on a warm day.