gunman1 1,753 Posted May 4, 2014 Report Share Posted May 4, 2014 Can the 7.62 x 51 round be safely run in a .308 rifle? Can the .308 round be safely run in a 7.62 x 51 rifle? Quote Link to post Share on other sites
Long Shot 1,287 Posted May 4, 2014 Report Share Posted May 4, 2014 (edited) Yes ETA, Disclaimer: in any modern rifle. 308 has a little higher chamber pressure rating. Edited May 4, 2014 by Long Shot Quote Link to post Share on other sites
Matthew Hopkins 1,065 Posted May 4, 2014 Report Share Posted May 4, 2014 (edited) what kind of rifle you talking about? like a military one? FAL, HK91 etc.. or a civilian rifle like the REMINGTON 700? Edited May 4, 2014 by Matthew Hopkins Quote Link to post Share on other sites
Shandlanos 1,470 Posted May 4, 2014 Report Share Posted May 4, 2014 Modern rifle chambered for .308 Win is good to go for 7.62x51. Quote Link to post Share on other sites
gunman1 1,753 Posted May 4, 2014 Author Report Share Posted May 4, 2014 Soooooo what would be the date range that constitutes a "modern" firearm, say anything built after 1961, 1973, 1990, 2012? Not trying to be a smart ass here, but having some specific details about the topic would be helpful, as interchanging the two rounds could possibly create a dangerous situation???? Quote Link to post Share on other sites
patriot 7,197 Posted May 4, 2014 Report Share Posted May 4, 2014 Don't run Civvie 308 in an Ishapore 2A/2A1 7.62 Enfield. NOT safe. 2 Quote Link to post Share on other sites
tk421991 1 Posted May 4, 2014 Report Share Posted May 4, 2014 (edited) Soooooo what would be the date range that constitutes a "modern" firearm, say anything built after 1961, 1973, 1990, 2012? Not trying to be a smart ass here, but having some specific details about the topic would be helpful, as interchanging the two rounds could possibly create a dangerous situation???? Go by what the stamp on the barrel or receiver says. You can't get a general answer, because a brand new M1A is a modern, brand new gun but it shouldn't be fed heavy .308, i.e. over 172ish grains. If the gun or manual says 7.62 NATO, shoot that. If it says .308 Winchester, you can shoot any safe 7.62x51 or .308 ammo. .308 was developed after 7.62x51, so just keep that in mind when looking at FALs, CETMEs, M1As, and other rifles designed around that time. Edited May 4, 2014 by tk421991 Quote Link to post Share on other sites
Rhodes1968 1,638 Posted May 19, 2014 Report Share Posted May 19, 2014 IIRC the 308 was developed before the NATO specs were assigned, 1952 if memory serves, predating the 7.62x51. The x51 battle rifles that have problems with 308 are of the op-rod design like the M1A/M14, that is all I have ever heard on those problems. Best to check on specific designs. Quote Link to post Share on other sites
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