Winchester Partition 20ga Chrono #'s

[jcchartboy]

Testing was done with a Tar-hunt, 23" ported barrel. (Approximately equal to a 22" barrel). Testing conducted with a ProChrono Chronograph today in Clinton NJ, range temperature 50*. Chronograph was placed approximately 10 feet from muzzle. (Add approximately 10fps to adjust to Muzzle velocity (MV))


Winchester Partition 20g 2 3/4" Advertised Velocity....1900 MV

1851
1877
1831
1864
1834
1872
1904
1846
-----
1860
+ 10
-----
1870


1870 approximate MV average of 8 shots= Less than 2% deviation from factory advertised velocity, achieved with a 23" ported barrel.

JC