HP Test Tube T4 RN ‘Quad’
CharlieBrassStuffer
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Today we find the ‘lower speed limit’ that defines one side of the ‘window of expansion’…a term I’ve coined to describe the upper and lower ‘speed limits’ for any particular Hollow Point design and the bullet metal used.
Born in 1950…HS grad, some college, no degrees, served in the US Marine Corps, educated there by the Navy in Electronics. Worked as an Electrician all my life and Contracted Heavy Industrial Control & Power Distribution for 20 years before retirement. Drive a black Chevy 4×4 and a Harley V-Rod. Married 40+ years, 3 great kids all 45 & older. Love my shop & do it all right there…
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