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Discussion Starter · #1 ·
Thanks for this one Vic





Note the new throat configuration on the barrel on the right. Believe it or not, this new setup actually improves reliability and reduces the chances of case blowout by better supporting the case head. All current-production Colts use this new configuration, including the new Series 70 pistols. An original GI barrel is at the far left, while a normal "throated" barrel is shown in the middle for comparison.
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(Picture courtesy of Rio Vista Slim)


Colt Dimpled Barrel Care of OD again
 
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