Equipment & ammunition

Loading Table

Bison Jay’s firearms, range equipment, and ammunition records.

What is on the cart, with dated ammunition records to track changes. Trail Notes is the journal; the Shooting Ledger has the match table, currently showing sample entries.

Firearms

The guns on Bison Jay’s cart, with specifications and ownership notes.

Revolver

Smoke Wagon Revolver

Maker: Taylor’s & Co.
Chambering: .357 Magnum
Barrel: 5½ inches
Action work: Action job by Long Hunter

Bison Jay’s Taylor’s & Co. Smoke Wagon, with action work by Long Hunter.

Rifle

1873 Trapper

Maker: Taylor’s & Co.
Chambering: .357 Magnum
Barrel: 18 inches
Action work: Short-stroked by Long Hunter

Bison Jay’s 18-inch Taylor’s & Co. 1873, short-stroked by Long Hunter.

Shotgun

Coach Gun Supreme

Maker: Stoeger
Gauge: 12 gauge
Receiver: Stainless
Barrels: Blued
Triggers: Double

Bison Jay’s Stoeger Coach Gun Supreme, with a stainless receiver, blued barrels, and double triggers.

The Leather

Bison Jay’s rig comes from Mernickle Custom Holsters: the High Performance Complete Package in Gunfighter Brown, with a matching shotgun belt.

Ammunition Records

Current and past records, kept with their dates and related range notes.

Load Data Disclaimer

The load data on this page documents Bison Jay’s personal experience and is provided for informational purposes only. It is not a loading recommendation, instruction, or assurance that a particular combination is safe or suitable for your firearms. Personal results are not a substitute for pressure-tested data from a current manufacturer’s reloading manual.

Reloading carries a risk of serious injury, death, and property damage. No warranty is made regarding the accuracy, completeness, safety, or suitability of this information. You are responsible for your own ammunition, loading practices, and decisions. To the extent permitted by applicable law, the site owner disclaims liability for injury, loss, or damage arising from the use or misuse of this information.

The entry below is provisional and has not been independently pressure-tested. The chronograph results record velocity; they do not establish pressure or safety.

Current loads

.357 Magnum · 125-grain RNFP

Bison Jay’s current batch for his revolver and 1873, with pistol and rifle chronograph results below. The load remains provisional, not a final match-load selection.

Recorded ammunition details
Case	.357 Magnum brass
Bullet	125 gr cast lead RNFP · .358″ diameter
Powder	Hodgdon Titegroup
Charge	3.7 gr
Overall length	At or just under 1.50″, as recorded
Primer	Winchester Small Pistol Primer

Firearms: Smoke Wagon Revolver · 1873 Trapper

Chronograph results

Pistol

Smoke Wagon revolver · 5½-inch barrel

Shots: 14
Average velocity: 751.3 fps
Standard deviation: 17.6 fps
Extreme spread: 59.8 fps
Average power factor: 93.9

Rifle

Shots: 19
Average velocity: 1,112.7 fps
Standard deviation: 10.9 fps
Extreme spread: 43.9 fps
Average power factor: 139.1