novice question

rlfcjf

November 09, 2001 17:36

when you see a rifle model, for example aremington model 700, in many different calibers, does each caliber have to have its own bolt and receiver to function , or are the bolts and receivers all the same and just the barrels that are different.

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  luger01

  November 09, 2001 18:14

  The bolt/receive/barrel combination depends on teh cartridge size. For instance there are short action, meduim action, and long action receivers for different lengths of cartridges. Rounds like the .223, .243, & .308 only need a short action receiver. The std. length is for rounds in the .30-06 class, and long action receeivers are needed for the .300 Ultra length cartridges.Also there are different bolt diameters. The .223 and others need a small bolt face, the .243, .308, .270, .30-06, etc. need a larger bolt, and magnum calibers (with larger carttridge heads) require yet a different bolt.So, there are 'families' of cartridges that only require a different barrel (and headspacing). Hope this helps out.

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  prebanfan

  November 10, 2001 02:04

  Wow Luger........you sure know your stuff. Too bad I have a terrible memory. I think I will just print that out for future needs.

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