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Originally Posted by Master Blaster 2
Rock island Arms uses cast uppers and lowers. Taurus uses forged uppers and lowers. Which is better.
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Rock Island uses cast frames, but their slides are machined from extruded billets. Extruding is a form of forging.
When FN came out with the .40 S&W version of the Browning Hi-Power, they changed
from forged frames
to investment castings because the castings were better able to stand up to the sharper impulse of the .40 S&W round. "Which is better?"