Quote:
Originally Posted by Red October1984
With my .223 Remington bolt action, I should be able to shoot Mil-Spec 5.56 rounds right? I was reading about how it's bad for your barrel but it doesn't make any sense why I couldn't shoot NATO rounds.
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I wouldn't as it could blow up in your face. More than one person has told me this:
http://answers.yahoo.com/question/in...3153921AAw4i5c
Quote:
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Should you be worried about shooting 5.56x45 milspec ammo in a .223 Remington? The answer really depends on your chamber. 5.56 x45 ammo is intended for chambers with longer throats. If you shoot hot 5.56x45 ammo in short-throated SAAMI-spec chambers you can encounter pressure issues. The new long-throated 'Wylde' chamber allows safe use of military ammo. Wylde chambers are quite common in Rock River guns. Other manufacturers, such as Fulton Armory, offer modified "match chambers" with extended throats that allow safe use of 5.56x45 ammo in .223 Remington rifles. For a complete discussion of the .223 Rem vs. 5.56x45 question, read this Tech Notice from Winchester, and this GunZone Commentary by Dean Speir. Without belaboring the point, we'll repeat the official SAAMI position: "Chambers for military rifles have a different throat configuration than chambers for sporting firearms which, together with the full metal jacket of the military projectile, may account for the higher pressures which result when military ammunition is fired in a sporting chamber. SAAMI recommends that a firearm be fired only with the cartridge for which it is specifically chambered by the manufacturer."
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Link to the GunZone commentary:
http://www.thegunzone.com/556v223.html