Diamond K Brass LLC

Factory NEW 500 S&W Mag Brass - 100 ct

All Starline headstamp yellow brass finish. 

Starline's manufacturing process involves, consistent metallurgy, precise tooling, tight quality control and 40 years of industry experience.  Their brass is guaranteed to have flash hole presence and to be of the correct length and diameter.  Unlike some competitors, Starline’s brass is vertically drawn, effectively minimizing wall thickness variation.  In addition, they anneal their cases between each draw to ensure consistent metallurgy in all lots.  Simply put, they are unwavering in their commitment to quality. 

"The Initial run of 500 S&W Mag (R) cases was built to use large pistol primer per Smith & Wesson and Cor-bon specifications. On July 28, 2003, Smith & Wesson and Cor-bon changed specification of primer pocket to be large rifle. Rifle primers are same diameter as pistol except they are approximately .006" taller. This was done to prevent primer from being pierced by firing pin when loaded with max loads and heavy bullets (bullets over 400 grains). It was determined that hole in primer allowed pressure to damage firing pin and bushing, kind of like a cutting torch and the harder cup of a rifle primer will prevent occurrence. All cases sold by Starline, Inc. after July 28, 2003, will contain a large rifle primer pocket to accept a large rifle primer. Hodgdon Powder has generated load data which recommends using Win. Large Rifle Primers." -Starline