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You have to remember that the older X bullets I’m guessing that you had issues with lacked the relief grooves that the newer offerings have, which Barnes has openly stated was hurting their accuracy potential. Since a harder, monolithic copper bullet doesn’t compress like a lead-core bullet, the copper extruded by the rifling when the bullet went down the bore had nowhere to go. The erratic copper displacement during firing is what was apparently causing the accuracy problems.The newer TSX and TTSX bullets have multiple grooves for copper to flow out of the way when the bullet hits the rifling, alleviating the accuracy issues of yesteryear. The 7mm-08 TTSX loads I’ve tested were .5 MOA capable from a sporter profile barrel and absolute hammers on deer. I’ve yet to recover one.
But will they pass muster in the ulitmate test, which is, of course. shooting them from a 270. All kidding aside, I have no doubt they're good bullets, but most of my load development days are in the past. I guess I'll just dance with the gal who brung me.
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