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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Does recoil amount and velocity affect muzzle velocity?
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<blockquote data-quote="THEIS" data-source="post: 1272774" data-attributes="member: 99239"><p>Hello,</p><p></p><p>Short answer to your question....I would have to say yes. I am digging up the formula(s) that can be used to "prove" that.</p><p></p><p>I can say that when we submitted test rifles to DoD for the "PSR" program we had to supply ammunition that had to fall between x MV and y MV with a set acceptable MV deviation. All ammunition testing was fired in the rifles submitted...but here is the kicker to that. Each manufacturer had to supply our own firing fixtures for the rifle to test the MV deviation, so I would say that was to eliminate any MV deviation based off shooter "interference". We supplied with a floating firing fixture that let the rifle recoil, that incrementally slowed down due to spring loaded ball bearing rollers. Other manufacturers supplied lead sled type fixtures. We tested our supplied ammunition from our rifles placed in their fixtures and vice versa....MVs were different even though was exact same ammunition and fired in exact same firearm. Only component in equation changed was the firing fixtures.</p><p></p><p>Side question <img src="data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7" class="smilie smilie--sprite smilie--sprite1" alt=":)" title="Smile :)" loading="lazy" data-shortname=":)" />.....do you think the air volume in barrel that gets compressed and forced out of barrel extremely fast affects second recoil impulse and do muzzle brakes cause an interference within that recoil impulse? And is there a shooting principle that can help negate that interference?</p><p></p><p>THEIS</p></blockquote><p></p>
[QUOTE="THEIS, post: 1272774, member: 99239"] Hello, Short answer to your question....I would have to say yes. I am digging up the formula(s) that can be used to "prove" that. I can say that when we submitted test rifles to DoD for the "PSR" program we had to supply ammunition that had to fall between x MV and y MV with a set acceptable MV deviation. All ammunition testing was fired in the rifles submitted...but here is the kicker to that. Each manufacturer had to supply our own firing fixtures for the rifle to test the MV deviation, so I would say that was to eliminate any MV deviation based off shooter "interference". We supplied with a floating firing fixture that let the rifle recoil, that incrementally slowed down due to spring loaded ball bearing rollers. Other manufacturers supplied lead sled type fixtures. We tested our supplied ammunition from our rifles placed in their fixtures and vice versa....MVs were different even though was exact same ammunition and fired in exact same firearm. Only component in equation changed was the firing fixtures. Side question :).....do you think the air volume in barrel that gets compressed and forced out of barrel extremely fast affects second recoil impulse and do muzzle brakes cause an interference within that recoil impulse? And is there a shooting principle that can help negate that interference? THEIS [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Does recoil amount and velocity affect muzzle velocity?
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