Jamison Brass and Ammunition has a full quality control and quality assurance laboratory in house. The lab consists of all the gauges and tests needed to meet all caliber tolerances. Jamison follows all specifications according to SAAMI and CIP standards. The tests and measurements performed on all products assure the highest quality possible. Testing and analysis of all products begin from the moment raw materials are received all the way to the finished product as it is being packaged for sale. Jamison Brass & Ammunition manufactures cases ranging from vintage hard to find calibers to modern military, African game to Western cartridge brass and ammunition. This brass is new and unprimed. This is not loaded ammunition.
The .40-60 Winchester is a rimmed, sharply tapered cartridge that was introduced by Winchester in 1876 along with the Winchester Model 1876 rifle. After over a half a century Winchester dropped the case from production and became obsolete in 1934.
All specifications represent maximum dimensions.
- Rim Thickness 0.0620"
- Rim Diameter 0.6200"
- Wall Thickness 0.0108"
- Case Length 1.8800"
- Caliber: 40-60 WCF
- Finish: Brass