Honestly I don't understand the point of this exercise. The appeal of 22LR shooting is low ammo cost. Usually people train with training grade ammo and compete with competition grade ammo, aside from accuracy they shoot exactly the same.
These ammo, individually machined, and made of solid copper, wil be more expensive than standard 22WM and 17 HMR. possibly approaching the price of bulk 223.
You dont save money on the gun either, since you will have to get a new 9 or 6 twist barrel plus installation.
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