![]() The optimum OAL for maximum accuracy usually requires you to reduce the distance that the bullet travels before it contacts the rifling. On most production rifles, if you seat your bullets close to the rifling, your handloads will be too long to fit in your magazine. They do this to safely reach the highest velocity 250" of free-bore (distance to the rifling). (especially Weatherby Magnums) have well over. ![]() As a result, they seat their bullets at least. This article explains "the rest of the story".įactory ammo is also made according to industry standard dimensions so your handloads will fit in any rifle of the same caliber,Īnd their ammo will always fit in your magazine. The bullet ogive is much more relevant than the actual OAL regarding chamber pressure. Ogive (side of each bullet) will help clear things up. Rifle requires a bit more information than most reloading manuals provide. However, finding the "optimum" OAL for your particular Loads have been tested to be safe at that specific length, and they will always fit in your magazine. This OAL dimension shows the industry standard (SAAMI spec.) for a particular cartridge. One specific OAL for every different caliber. Most reloaders have noticed that reloading manuals show ![]() Of the term "over-all length" (OAL) and how to find the best length for their handloads. I'm always finding shooters looking for a more complete understanding OAL Over-All Length (OAL) - explained in detail. ![]()
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