Mauro & Gerben,
I would speculate that numbers applied by the factory in this manner happen because using the more modern methods of manufacturing that this part gets it's heat treatment and hardening sooner in the process and it may be too hard to properly use number stamps. The number is applied with a vibrating electric pencil for the convenience of the assemblers, and since it doesn't show when the gun is assembled, it doesn't have to look very neat. Just my 2 phennigs of opinion.
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regards, -John S
"...We hold these truths to be self-evident that ALL men are created EQUAL and are endowed by their Creator with certain UNALIENABLE rights, and among these are life, LIBERTY, and the pursuit of happiness..."
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