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seeking knowledge..ar build... 6.8spc or 450 bushmaster

Discussion in 'Rifle Country' started by brian923, Feb 2, 2011.

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  1. brian923

    brian923 Member

    Jul 4, 2007
    Afternoon fellow shooters, I'm trying to save up some money and sel some of my current firearms to help fund a new ar build project. I would like to aquier the upper parts I need and build the upper myself. The thing that has me stuck right now is whitch way to go?? What caliber is going to suit my needs, and let's face it, the cool factor. Let's start with the rifle I alreay have. It is a build, a rock river upper and national match trigger, stag lower with a WOA 18" SPR barrel and YHM quad rail. The rifle will shoot 1/2 Moa at 100yards with factory ammo and 1/4" moa with handloads. Perfect paper puncher varmite killer rifle.

    The6.8 spc... This cartridge is ever growing more and more popular. With the rifling and chamber now tweaked, the 6.8 can shootlight bullets very fast and can over come the 223 with bullets up to hornadys new 120 grain. The range selection seems to be between 77 grain to 120 grain. And those 77-85grain 270 cal bullets are touching 2900-3000 fps!! That's amazing!! Able to take varmite, coyote at distance up to deer and black bear!! Some even say elk, which I don't see why not...

    The 450 bushmaster.. Able to lob big bullets, at decent velocity and great accuracy. Can load 230 grain 452 cal bullets for plinking and even cast ny own bullets outta lead for even cheaperplinking. Bullet selection is pretty decent now that hornady is really expanding the 452 cal bullets to include the 460 S&W and the hot loadsfor the 45 Colt. Bullet weights up to 300and probably a smidge more if I cast. Can hunt coyote, hogs, deer black bear elk moose and probably brown bear ( if you got the cahoonas!!) (Fred bear stuck plenty with his long bow, and the did the job!!) Don't see why a good expanding 45 slug couldn't get the job done.

    The descision comes down to only being able to build one (at the moment ;) ) which one would you go with. Factory ammo is not a factor. I handload, and both are somewhat availible anyways. I just want to see if you guys have any input that I may have over looked or not yet thought of. Thanks for reading, and if you know anyone looking to buy a nice 1944 german mauser, let me know. Thanks again, brian.
  2. wnycollector

    wnycollector Member

    Dec 10, 2006
    Western NY
    I see that Cabela's has 16" bushy .450 uppers for sale for $549. I just got a $50 coupon on a $500 dollar purchase...it has me thinking about a bushy upper;)
  3. jmorris

    jmorris Member

    Sep 30, 2005
    If you are going to reload a 458 socom would be better as 300 grain would be a mid sized bullet and a 600 would be "big".
  4. 68wj

    68wj Member

    May 2, 2010
    It is obvious you have been doing your research to know about the new 77 and 120 grainers. Since you handload, either the .450 or 6.8 are in your reach but it depends on what you want to do with them.

    Not sure about the .450's ammo availability. The 6.8 is becoming better, but still not (and may never be) truly common. At least Academy Sports has started carrying Remington 6.8 and there are rumors that they will be bringing in some Hornady too.

    I am bias since I have and like my 6.8 rifle, but I don't regret the purchase. I only regret missing this deer season with it.
  5. redactor

    redactor Member

    Mar 7, 2007
    Huntsvegas, AL
    I just bought a 450 B upper from Bud's Guns last week. $513 shipped, but they are out of stock now. There seems to be a good bit of factory ammo out there, but only a few loadings. Bullet selection is slimmer than you would think because most .452 sized bullets are not constructed to go 2200 fps. However, that appears to be changing.

    I believe that the .450 B was introduced at the 2009 SHOT show. The 6.8 has been out for a good while longer, so it has obviously had more time for development. There is a better selection of .270 bullets because they were already designed to operate at rifle velocities.

    That being said, I wanted a big bore. Something equivalent to the .45/70. At bullet weights of 325 and under, the 450B seems to fit the bill.

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