Anyone need to make 6 AI brass?

[Yoteklr]

7x57 Mauser Brass (50 ct)

(50) pieces of Norma 7×57 Mauser brass for reloading. This is NEW, never loaded brass and is bulk packaged from Sweden. February 2025 Restock – Available Now! NORMA BRASS KEY FEATURES: Neck – Annealed to achieve proper elasticity and prevent splitting, NORMA cases are then put through...

ravenrocksprecision.com

Great brass to form 6mm ackley Improved from.
I still have another barrel worth waiting for a fresh barrel. My last batch has seven firings and the primer pockets are still tight.

 

[bollardneedful]

7x57 Mauser Brass (50 ct)

(50) pieces of Norma 7×57 Mauser brass for reloading. This is NEW, never loaded brass and is bulk packaged from Sweden. February 2025 Restock – Available Now! NORMA BRASS KEY FEATURES: Neck – Annealed to achieve proper elasticity and prevent splitting, NORMA cases are then put through...

ravenrocksprecision.com

Great brass to form 6mm ackley Improved from.
I still have another barrel worth waiting for a fresh barrel. My last batch has seven firings and the primer pockets are still tight. Geometry Dash Lite

Is your brass 100% pure? Can other conductors be used instead?