In recent years supporters of the venerable, 95-year-old .270 Winchester have been asking, “Hey! What about the good old .270?” Among modern long-range shooters, respect for Jack O’Connor’s favorite is nonexistent. Meanwhile, new cartridges such as the 6.5 PRC, 28 Nosler, and .300 PRC have been leaving the .270 Win.in the dust. Ballistically, with their fast-twist rifling and high-BC bullets, these new cartridges walk all over the .270.
Unfortunately, the .270’s relatively slow 1:10 rifling twist, as spec’d in SAAMI’s reg book, won’t stabilize the stretched-out, heavy, streamlined bullets that offer extremely high ballistic coefficients. As a result, bullet manufacturers have never made high-BC bullets in .277 diameter (the actual size of .270 Win. bullets). Until now.
27 NOSLER
Last year, Nosler introduced a fire-breathing .270 magnum. Tagged the 27…
