Bertram Unprimed Brass Cases 284 Winchester (100pk) Caliber_50 BMG There is NO retaining pin

There is NO retaining pin

F in a circle

and cases received may still have spent primers in them

The practical design also allows for the holder to slip over most types of stocks

The advantages of owning the SR01 (besides being the envy of all your peers) is the fact you can use it as a precise bench rest

Bertram Unprimed Brass Cases 284 Winchester (100pk) Caliber_50 BMG There is NO retaining pinBertram Brass produces high quality, consistent brass for those obscure and obsolete calibers. Proudly made in Australia, this brass was precisely manufactured to deliver excellent accuracy and longevity. New unprimed brass. This is not loaded ammunition. Preparation: Due to the manufacturing process and or shipping, case mouths may not be perfectly round. To ensure a round case mouth, cases must be sized (or have the expander ball of the sizing die