Semi-auto Bren piercing primers - any solutions?

[dcollector]

Hi guys,

Anyone have an idea for a solution to this issue?

(It is a US civi-legal semi-auto Bren, using the striker system, not an open-bolt Bren.)

I am using the recommended S&B ammo - Bren is cycling nicely but rupturing the primer.

Thank you in advance for any suggestions.

*I'm going to try out some surplus Brit .303 ammo, that has tougher primers, hopefully that is the fix. I'll also try it with some PPU ammo.

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