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John Sabato · 04-20-2004, 06:02 PM

thanks for the info and examples Rick. The barrel specs for 9mm Parabellum might be old, but they haven't changed...

Some manufacturers that produce not only 9mm weapons but also .38/.357 caliber might standardize on the large size bore which would be a slightly sloppy fit for standard 9mm slugs, but is good enough to meet the accuracy needs of what they produce... submachine guns for instance, don't require the same accuracy that would be required of a target pistol in 9mm... they make up in quantity what they give up in quality.

If it is going to be off the shelf 9mm ammo in a custom pistol barrel, then the barrel should be the appropriate specs IMHO...

04-20-2004, 06:02 PM	#8
John Sabato Lifer Lifetime Forum Patron Join Date: Jun 2002 Location: The Capital of the Free World Posts: 10,156 Thanks: 3,003 Thanked 2,309 Times in 1,098 Posts	thanks for the info and examples Rick. The barrel specs for 9mm Parabellum might be old, but they haven't changed... Some manufacturers that produce not only 9mm weapons but also .38/.357 caliber might standardize on the large size bore which would be a slightly sloppy fit for standard 9mm slugs, but is good enough to meet the accuracy needs of what they produce... submachine guns for instance, don't require the same accuracy that would be required of a target pistol in 9mm... they make up in quantity what they give up in quality. If it is going to be off the shelf 9mm ammo in a custom pistol barrel, then the barrel should be the appropriate specs IMHO... __________________ 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..."*