Rechamber a .264 Winchester Magnum To 26 Nosler

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.264 Win. Mag and 26 Nosler compared
.264 Win. Mag and 26 Nosler compared

Q: I own a Winchester Model 70 in .264 Winchester Magnum which my dad purchased new in 1962. It has been carried a lot but scarcely fired. The bore is in excellent condition, but the stock has extensive nicks, dings and wear on its wood. I have decided to have the metalwork Cerakoted and intend to replace the stock with a synthetic one from H-S Precision. But before that, I would like to have the rifle rechambered to 26 Nosler. How fast will the 26 Nosler be in my rifle when loaded with a 140gn bullet?
Ronald McGivern

A: Just as a rifle in 300 Win. Mag is easily rechambered to 30 Nosler, so it goes with converting a rifle in .264 Win. Mag. to 26 Nosler. The gunsmith may have to open up the action rails and feed ramp, but nothing else needs to be done. Rifles

.264 Win. Mag specs drawing
.264 Win. Mag specs drawing

chambered for any cartridge can vary considerably in velocity, but the 26 Nosler should safely reach 3200fps with a 140gn bullet in your 26" barrel. I recently worked up a load for mine with the 142gn ABLR in my Browning X-Bolt with a barrel of the same length, and it averaged 3200fps with a safe charge of 81gn of AR2218. The Barnes 130gn TSX FB left the muzzle at 3420 fps ahead of 80gn of RE-33.

(L-R)26 Nosler 28 Nosler and 30 Nosler cartridges
(L-R)26 Nosler 28 Nosler and 30 Nosler cartridges
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