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Rifles, Reloading, Optics, Equipment
Gunsmithing
7/08 to7X57
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<blockquote data-quote="LoneTraveler" data-source="post: 1515366" data-attributes="member: 77249"><p>The 7X57 and 8X57 Mauser are just in the middle of USA popular calibers case size. But with the long military bullets used in Europe, A lot were built on Large Ring Mausers near 30-06 length actions.</p><p>In Europe the 30-06 Spr. is known as a 7.62X63 and the 308 Win. is know as 7.62X51 The 7 & 8 MM bullets at the time of the II World War, The 7X57 lists a 173 Gr. bullet as a military load bullet, One of the standard military bullet for the 8X57 was a 227 gr. bullet. The bullets stuck way out of the case, So the Mauser action was long for case length.</p><p></p><p>If you check SAAMI Specs. The case body at the shoulder of a 7mmX08 Rem. is .452 The SAAMI spec. for the body at a shoulder of the 7mmX57mm is 10.92mm (.429). The 7mmX57mm body measures .472 at the front of the extractor grove. The shoulder to base measurement is 1.650 to the shoulder of the 7mm/08. For the 7mm/57mm mauser is 1.725 would only give you. .075 to get the chamber cleaned up. It would take some measurement on the cases or reamers whether the 7x57 reamer would clean the 7/08 chamber. O.A.C.L. for the 7mm/08 is listed in loading books as 2.800" The O.A.C.L. of the 7mmX57mm Mauser is 3.065. These .265 longer cartridges may not fit in the 7mm/08 magazine, Unless the bullets are shoved way down in the case.</p><p>Awful close to make a safe, clean job, May not ream the chamber clean.</p></blockquote><p></p>
[QUOTE="LoneTraveler, post: 1515366, member: 77249"] The 7X57 and 8X57 Mauser are just in the middle of USA popular calibers case size. But with the long military bullets used in Europe, A lot were built on Large Ring Mausers near 30-06 length actions. In Europe the 30-06 Spr. is known as a 7.62X63 and the 308 Win. is know as 7.62X51 The 7 & 8 MM bullets at the time of the II World War, The 7X57 lists a 173 Gr. bullet as a military load bullet, One of the standard military bullet for the 8X57 was a 227 gr. bullet. The bullets stuck way out of the case, So the Mauser action was long for case length. If you check SAAMI Specs. The case body at the shoulder of a 7mmX08 Rem. is .452 The SAAMI spec. for the body at a shoulder of the 7mmX57mm is 10.92mm (.429). The 7mmX57mm body measures .472 at the front of the extractor grove. The shoulder to base measurement is 1.650 to the shoulder of the 7mm/08. For the 7mm/57mm mauser is 1.725 would only give you. .075 to get the chamber cleaned up. It would take some measurement on the cases or reamers whether the 7x57 reamer would clean the 7/08 chamber. O.A.C.L. for the 7mm/08 is listed in loading books as 2.800" The O.A.C.L. of the 7mmX57mm Mauser is 3.065. These .265 longer cartridges may not fit in the 7mm/08 magazine, Unless the bullets are shoved way down in the case. Awful close to make a safe, clean job, May not ream the chamber clean. [/QUOTE]
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