Brass Fetcher Ballistic Testing

45-70 Government

10 Percent Ballistic Gelatin

Cartridges Impact Velocity

(ft/sec)

Maximum Penetration Depth

(inch)

Expansion

(inch2)

Bullet Weight

(grain)

Barrel Length

(inch)

Distance*

(feet)

Federal

300gr

Hot-Cor JHP

(4570AS)

1445 26.3 0.296 300 4.1 10

300gr

Hot-Cor JHP

(4570AS)

1902 16.3 0.455 300 18.0 10
Winchester

300gr

Partition Gold

(SPG4570)

1838 28.0 0.354 300 18.0 10

* - Distance from muzzle to ballistic gelatin block.