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Rifles, Reloading, Optics, Equipment
Equipment Discussions
Muzzle Brake and Scope Movement
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<blockquote data-quote="Fiftydriver" data-source="post: 79435" data-attributes="member: 10"><p>Dave,</p><p></p><p>I would respectfully disagree with your comments. Talk to anyone in the 50 cal shooting world and you will see what I am talking about. Most scopes are designed to withstand rapid acceleration in only one direction, from the scopes perspective, rearward very quickly. With a muzzle brake there is this initial reward movement but also a substantial forward force, or should I say a very quick Deceleration of the scope.</p><p></p><p>This is why all scopes designed for 50 BMG rifles and air rifles have lens locks on both sides of the scope lens, not just one like many scope designs.</p><p></p><p>This is also why a pneumatic air rifle is one of the best things to destroy a scope, negative g-forces. </p><p></p><p>Felt recoil is basically not recoil energy at all, its the momentum of the rifle that you have to physically stop with your shoulder.</p><p></p><p>If your theory were true, you could take say a 300 RUM loaded with a 125 gr Ballistic tip to 65,000 psi and a 250 gr ULD loaded to the same 65,000 psi and recoil would be basically the same because there is the same amount of pressure forcing its way back against the bolt face. This is not true.</p><p></p><p>The second the bullet breaks the seal of the muzzle the bore pressure drops to basically 0 psi extremely fast with or without a brake.</p><p></p><p>In fact depending on the brake design, a rifle with a brake fitted like a Vias or similiar brake will have a higher bore pressure reading, longer then a naked muzzle or a partition style brake.</p><p></p><p>This has been proven time and again and is the main reason why a Holland or similiar style brake reduces felt recoil more efficently then a Vias style. They allow the gas to vent quicker. Also why they are louder.</p><p></p><p>Still, a bare muzzle will reach 0 psi in the bore the fasted of all three. Now we are talking milli seconds here so keep that in mind.</p><p></p><p>On this one my friend I would again have to respectfully disagree with your theory.</p><p></p><p>What do some of the other guys think??</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 79435, member: 10"] Dave, I would respectfully disagree with your comments. Talk to anyone in the 50 cal shooting world and you will see what I am talking about. Most scopes are designed to withstand rapid acceleration in only one direction, from the scopes perspective, rearward very quickly. With a muzzle brake there is this initial reward movement but also a substantial forward force, or should I say a very quick Deceleration of the scope. This is why all scopes designed for 50 BMG rifles and air rifles have lens locks on both sides of the scope lens, not just one like many scope designs. This is also why a pneumatic air rifle is one of the best things to destroy a scope, negative g-forces. Felt recoil is basically not recoil energy at all, its the momentum of the rifle that you have to physically stop with your shoulder. If your theory were true, you could take say a 300 RUM loaded with a 125 gr Ballistic tip to 65,000 psi and a 250 gr ULD loaded to the same 65,000 psi and recoil would be basically the same because there is the same amount of pressure forcing its way back against the bolt face. This is not true. The second the bullet breaks the seal of the muzzle the bore pressure drops to basically 0 psi extremely fast with or without a brake. In fact depending on the brake design, a rifle with a brake fitted like a Vias or similiar brake will have a higher bore pressure reading, longer then a naked muzzle or a partition style brake. This has been proven time and again and is the main reason why a Holland or similiar style brake reduces felt recoil more efficently then a Vias style. They allow the gas to vent quicker. Also why they are louder. Still, a bare muzzle will reach 0 psi in the bore the fasted of all three. Now we are talking milli seconds here so keep that in mind. On this one my friend I would again have to respectfully disagree with your theory. What do some of the other guys think?? Kirby Allen(50) [/QUOTE]
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Muzzle Brake and Scope Movement
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