AR-15 Question

spm815

May 25, 2004 09:08

I have a complete ar-15 i read on another post that you cant change the caliber if it was stamped 5.56 on the lower. Whats the deal with that? I might want to change to 9 mm or 50 cal. In my state these guns are legal. What are the fed laws? Thanks David

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  spm815

  May 25, 2004 09:08

  I have a ar-15 pistol upper[flat top] . I also have a A2 bushmaster heavy brrl upper[carry hndl] . Can i switch the 2 uppers so my rifle is a flat top . My friend said you cant because of the lack of feed ramps in the pistol upper . Is this true ??

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  redice

  May 25, 2004 09:58

  Chrome lined makes the barrels last a lot longer I don't know about accuracy other than possibly accuracy over time since the chrome lined will last longer.

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  hughes1

  May 25, 2004 11:23

  The chrome lined barrels offer the best corrosion resistance and are frequently used on weapons where corrosive ammo is encountered, SKS, Ak, etc. As for accuracy - in order of best to worse it runs stainless steel, chrome-moly, and then chrome lined, however the quality of the craftsmanship is more important than the material of construction.

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