HHhuntitall
TDR MEMBER
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How did we go from a Henry 45-70 to a Sako TRG42?!? :-laf This guy reminds me of me... . 


HHhuntitall, Hows this for starters?
Also a version called the . 416 Alaskan.
http://www.loaddata.com/members/search_detail.cfm?MetallicID=203
Some . 416 Barnes Data;
http://www.reloadbench.com/cartridges/w416barnes.html
Hope this'll tickle yer innards:-laf!
GregH
Its been done and in production. Its called the . 416 Barrett.
GregH
. 510 is not labeled at destructive, unless it's in a non-sporting firearm.
I would have to say that the ATF does not agree with that. From US code title 26 chapter 53 "(2) any type of weapon by whatever name known which will, or which may be readily converted to, expel a projectile by the action of an explosive or other propellant, the barrel or barrels of which have a bore of more than one-half inch in diameter, except a shotgun or shotgun shell which the Secretary finds is generally recognized as particularly suitable for sporting purposes" A fifty caliber is not a destructive device because it is not "over" one half inch. California has banned the 50 on its own.