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Rifles, Reloading, Optics, Equipment
Gunsmithing
Effective muzzle brakes
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<blockquote data-quote="J E Custom" data-source="post: 1355624" data-attributes="member: 2736"><p>Firearms have two kinds of recoil, one is inertial from the bullet being started and pushed down the barrel. THE other is recoil from the gas</p><p>produced when the powder is burned.</p><p></p><p>Most firearms have a ratio of any where from 30% to 50% recoil for the bullet. The gas recoil will normally be 50% to 75% depending on the cartridge. Most overbored cartridges will be in the range of 65 to 75% gas recoil (Like the 30/378 WBY).</p><p></p><p>In our test of efficiency of difference designs of muzzle brakes, we achieved 74.3% of a possible gas recoil of 75%. that is almost impossible unless you can tune a brake to a specific load. If a brake can reach 98 to 99% gas efficiency that is rare and unusual. There fore, it is impossible to reach 90% recoil reduction with any cartridges that are available because they don't have the bullet to powder ratio of 10% bullet recoil to 90% gas recoil.</p><p></p><p>In fact most of the tested brakes did good to reach 50% recoil (Some were a disappointing 25 to 30% reduction) and only a few of the best would reach 55 to 60%.</p><p>Remember, that a muzzle brake has no effect on bullet recoil except for adding a small amount of weight to the firearm. The brake can only deal with the gas recoil produced so 90% recoil reduction is not possible.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1355624, member: 2736"] Firearms have two kinds of recoil, one is inertial from the bullet being started and pushed down the barrel. THE other is recoil from the gas produced when the powder is burned. Most firearms have a ratio of any where from 30% to 50% recoil for the bullet. The gas recoil will normally be 50% to 75% depending on the cartridge. Most overbored cartridges will be in the range of 65 to 75% gas recoil (Like the 30/378 WBY). In our test of efficiency of difference designs of muzzle brakes, we achieved 74.3% of a possible gas recoil of 75%. that is almost impossible unless you can tune a brake to a specific load. If a brake can reach 98 to 99% gas efficiency that is rare and unusual. There fore, it is impossible to reach 90% recoil reduction with any cartridges that are available because they don't have the bullet to powder ratio of 10% bullet recoil to 90% gas recoil. In fact most of the tested brakes did good to reach 50% recoil (Some were a disappointing 25 to 30% reduction) and only a few of the best would reach 55 to 60%. Remember, that a muzzle brake has no effect on bullet recoil except for adding a small amount of weight to the firearm. The brake can only deal with the gas recoil produced so 90% recoil reduction is not possible. J E CUSTOM [/QUOTE]
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Effective muzzle brakes
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