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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Freebore in a hunting rifle.
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<blockquote data-quote="velocity-is-key" data-source="post: 503348" data-attributes="member: 32874"><p>I still have my chamber cast from one of the first "Weatherby .30-378 Accumarks" ever delivered and in fact it has a freebore of .750"..Loaded ammo was not availiable and .378 brass had to be necked down and turned..After reaching the plateau of its velocity of 3675 fps with a 180 grain Nosler and 126grs. of H50BMG in addition to my several unfortunate experiences with that rifle pertaining to bullet contact to muzzle brake it was visually clear the bore was not concentric with the OD of the barrel..</p><p> Explaining this to Weatherby and after their ridiculous attempts to remedy it, ( 2 muzzle brakes replaced /sent as a FAILED remedy for bullet contact ) Weatherby sent me a new rifle..Since a factory $1,295 CNC rifle did this I took the new one in its unfired condition and traded it for 2 new Smith & wessons; a 29 and 57 with 8-3/8 barrels...</p><p> My point is this particular factory rifle ,proto type or what ever you may feel appropriate to call it did indeed have .750" freebore (NO bs) and you could not seat bullets to touch the lands. That is what I call freebore and not throat length (no disrespect to anyone here)..</p><p> I have sold all the 200 plus pieces of brass since then and the Wison custom made hand dies (which is what the chamber cast was made for) that I used to take to the range for loading, but I still have all the load data logged down in the books accrued during my research using the H50 BMG powder...I'm talking detailed research with all targets,chrony results, and even a few photos some of the guys at the range took of me catching the gigantic muzzle blasts that they got a kick out of...If anyone needs to know anything related here to my research feel free to ask...</p><p> Since I was a kid I wanted one (Weatherby) and when they started to manufacture them in the U.S. again I ordered one...</p><p> I lost all respect for the Weatherbys with my experience since the old man died and his son ran the bis, but before when they were Jap made I refused no matter what the quality was to buy a gun with "MADE IN JAPAN" on it when it was a American legacy Belgium made or not..I still loved that cartridge to death and disagreed with the old man saying it was not a practicle cartrdge to manufacture a gun in...I also don't need a corvette to get the groceries or to go to point A from B either when a Volkswagon Bug will do the same...</p><p> Just my 2 cents on my freebore facts gents...</p><p>velocity</p></blockquote><p></p>
[QUOTE="velocity-is-key, post: 503348, member: 32874"] I still have my chamber cast from one of the first "Weatherby .30-378 Accumarks" ever delivered and in fact it has a freebore of .750"..Loaded ammo was not availiable and .378 brass had to be necked down and turned..After reaching the plateau of its velocity of 3675 fps with a 180 grain Nosler and 126grs. of H50BMG in addition to my several unfortunate experiences with that rifle pertaining to bullet contact to muzzle brake it was visually clear the bore was not concentric with the OD of the barrel.. Explaining this to Weatherby and after their ridiculous attempts to remedy it, ( 2 muzzle brakes replaced /sent as a FAILED remedy for bullet contact ) Weatherby sent me a new rifle..Since a factory $1,295 CNC rifle did this I took the new one in its unfired condition and traded it for 2 new Smith & wessons; a 29 and 57 with 8-3/8 barrels... My point is this particular factory rifle ,proto type or what ever you may feel appropriate to call it did indeed have .750" freebore (NO bs) and you could not seat bullets to touch the lands. That is what I call freebore and not throat length (no disrespect to anyone here).. I have sold all the 200 plus pieces of brass since then and the Wison custom made hand dies (which is what the chamber cast was made for) that I used to take to the range for loading, but I still have all the load data logged down in the books accrued during my research using the H50 BMG powder...I'm talking detailed research with all targets,chrony results, and even a few photos some of the guys at the range took of me catching the gigantic muzzle blasts that they got a kick out of...If anyone needs to know anything related here to my research feel free to ask... Since I was a kid I wanted one (Weatherby) and when they started to manufacture them in the U.S. again I ordered one... I lost all respect for the Weatherbys with my experience since the old man died and his son ran the bis, but before when they were Jap made I refused no matter what the quality was to buy a gun with "MADE IN JAPAN" on it when it was a American legacy Belgium made or not..I still loved that cartridge to death and disagreed with the old man saying it was not a practicle cartrdge to manufacture a gun in...I also don't need a corvette to get the groceries or to go to point A from B either when a Volkswagon Bug will do the same... Just my 2 cents on my freebore facts gents... velocity [/QUOTE]
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Freebore in a hunting rifle.
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