11/19/2022 0 Comments Winchester m14 accessoriesI completely agree with Jerry that if you have a chamber with headspace much in excess of 1.636 (say, 1.638, SAAMI field reject), you must use only U.S. When we do I'll report the results of our conversation. He had his plate full, so we decided to chat on this in the future. I broached the subject with him some months ago. 308 Winchester and 7.62x51mm NATO ammo, headspace & chambers. Jerry Kuhnhausen, in his classic Shop Manual (available from Fulton Armory see the M1 Rifle Parts & Accessories or M14 Rifle Parts and Accessories Pages under Books) has published a somewhat controversial recommendation concerning. You may get a surprise.Ĭlint, What's the difference between. 308 commercial in a military arm chambered for 7.62MM, first check the headspace with. Most of the time it's a distinction without a difference. Use military ammo or the best commercial only, e.g., Federal Gold Medal Match. Thus, using commercial ammo in such a rifle is not a good idea you need stronger brass. 308 chambers, as a rule.īut in some 7.62MM rifles the chambers are long (to the 7.62MM military spec), notably the Navy Garands with 7.62MM barrels. They are the same, 'cause nobody (and Clint's been looking for many years!) makes 7.62MM ammo that isn't to the. Howver, the chamber drawings are different. You'll get an endless discussion of pressure specs, endless because SAAMI and the Ordnance Dep't measured pressure in different, unrelateable ways. 308 Win was released by Winchester several years before the Army standarized the T64E3 as the 7.62MM. This is a perennial topic, kinda like ".45 vs. 308 Winchester & 7.62x51mm NATO? by Clint McKee and Walt Kuleckĭumb question i alway thought these 2 ammos where interchangeable but some have told me otherwise whats the story? jim 308 Winchester & 7.62x51mm NATO? What's the Difference between. Fulton Armory: What's the Difference between.
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