01-09-2014, 02:48 PM
Hi Drew
Here is a link to an article discussing the Prvi Partizan cartridges loaded with the shorter, .2635" diameter bullets with a semi-spitzer (spire) point.
http://kegisland.com/carcano-ammo-warnin...tizan.html
As the author states, some Carcano rifles may shoot acceptably with this under sized ammo, others may not. His is the most extreme case of inaccuracy I have ever read about, and most of these extreme cases seem to involve shorter bullets that make for an extreme amount of freebore in the Carcano chamber.
While the official groove diameter of the 6.5mm Carcano rifles is supposed to be .2677" (rounded off to .268"), I have seen it reported, by Carcano owners and gunsmiths, that a careful measurement of a large number of Carcano barrels has turned up groove diameters as extreme as .271" and one at .272". While some of this can be attributed to barrel wear and corrosion, often times it would appear that these larger diameters are found in the more crudely made war time production models.
Were the shorter Prvi Partizan bullets any more accurate? In most cases, accuracy suffered with this ammo, often dramatically. It is difficult to say whether the small diameter or the shorter bullet with the semi-spitzer point made the greatest contribution to inaccuracy.
As I have said before several times, it would be great if we could get our hands on C2766 for a day or so. It was one of the more crudely made wartime production models, plus it had a fair amount of barrel wear or corrosion. It would be interesting to measure the groove and bore diameter of this rifle, as the WCC ammo LHO allegedly used had bullets a mere .264" in diameter.
Here is a link to an article discussing the Prvi Partizan cartridges loaded with the shorter, .2635" diameter bullets with a semi-spitzer (spire) point.
http://kegisland.com/carcano-ammo-warnin...tizan.html
As the author states, some Carcano rifles may shoot acceptably with this under sized ammo, others may not. His is the most extreme case of inaccuracy I have ever read about, and most of these extreme cases seem to involve shorter bullets that make for an extreme amount of freebore in the Carcano chamber.
While the official groove diameter of the 6.5mm Carcano rifles is supposed to be .2677" (rounded off to .268"), I have seen it reported, by Carcano owners and gunsmiths, that a careful measurement of a large number of Carcano barrels has turned up groove diameters as extreme as .271" and one at .272". While some of this can be attributed to barrel wear and corrosion, often times it would appear that these larger diameters are found in the more crudely made war time production models.
Were the shorter Prvi Partizan bullets any more accurate? In most cases, accuracy suffered with this ammo, often dramatically. It is difficult to say whether the small diameter or the shorter bullet with the semi-spitzer point made the greatest contribution to inaccuracy.
As I have said before several times, it would be great if we could get our hands on C2766 for a day or so. It was one of the more crudely made wartime production models, plus it had a fair amount of barrel wear or corrosion. It would be interesting to measure the groove and bore diameter of this rifle, as the WCC ammo LHO allegedly used had bullets a mere .264" in diameter.
Mr. HILL. The right rear portion of his head was missing. It was lying in the rear seat of the car. His brain was exposed. There was blood and bits of brain all over the entire rear portion of the car. Mrs. Kennedy was completely covered with blood. There was so much blood you could not tell if there had been any other wound or not, except for the one large gaping wound in the right rear portion of the head.
Warren Commission testimony of Secret Service Agent Clinton J. Hill, 1964
Warren Commission testimony of Secret Service Agent Clinton J. Hill, 1964