Miculek magnetic buffer

[Okiedelta]

Anyone have experience with this in pistol or carbine length rifle?

Works well in AR 15, but I’m curious as to what can it can’t do in 10” suppressed 300 BO.

[BJK]

No experience with one but in reading the description it says it's also for 300BLK.

https://miculek.com/product/miculek-mag ... er-system/