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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
vertical stringing of shots?
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<blockquote data-quote="Buffalobob" data-source="post: 70828" data-attributes="member: 8"><p>Does it have a history of 0.5MOA with bipods? May not like bipods</p><p></p><p>Here are some simple things most of which I imagine you have already done</p><p></p><p>1. Check the action screws</p><p></p><p>2. Check for barrel contact with the fore end or near contact</p><p></p><p>3. Take action off the stock and look for strange objects that would interfere with a solid bedding</p><p></p><p></p><p>4. Look at fired brass primers for signs of erratic pressure – some very flat and some normal. If so then perhaps you need to go to item 5 or perhaps you got a bad lot of ammo. Are the indentations normal- no broken firing pin.</p><p></p><p>5. Take a cleaning rod and run a very oily patch down the barrel to get it slick. Put a good brush on the cleaning rod that fills the barrel well and turns with the rifling. Run the brush through the barrel until it is sticking out of the muzzle. With your thumb and one finger grasp the cleaning rod (not the handle but the rod itself) and slowly and gently and with even pressure pull it back through the bore. If at about six inches from the chamber the brush begins to drag and you can hear a rasping sound and you have to exert more pull with your thumb and finger and it feels like you are pulling it through the grand canyon then you have the plague. Hard carbon fouling. This is a build up of powder fouling that has had bullets squeezed through it until it has compressed to a hardness that rivals diamonds. Under regular cleaning you will get the great majority of the bore clean but the area in front of the chamber will resist and your patches may seem to come out clean but over a period of time the situation grwos worse. At this point in time you are in for a bad time and need to be careful not to ruin what seems to be a good shooting barrel. If this is the problem you should come back and ask about hard carbon fouling. Most people seem to worry about copper. My experience the carbon is worse.</p></blockquote><p></p>
[QUOTE="Buffalobob, post: 70828, member: 8"] Does it have a history of 0.5MOA with bipods? May not like bipods Here are some simple things most of which I imagine you have already done 1. Check the action screws 2. Check for barrel contact with the fore end or near contact 3. Take action off the stock and look for strange objects that would interfere with a solid bedding 4. Look at fired brass primers for signs of erratic pressure – some very flat and some normal. If so then perhaps you need to go to item 5 or perhaps you got a bad lot of ammo. Are the indentations normal- no broken firing pin. 5. Take a cleaning rod and run a very oily patch down the barrel to get it slick. Put a good brush on the cleaning rod that fills the barrel well and turns with the rifling. Run the brush through the barrel until it is sticking out of the muzzle. With your thumb and one finger grasp the cleaning rod (not the handle but the rod itself) and slowly and gently and with even pressure pull it back through the bore. If at about six inches from the chamber the brush begins to drag and you can hear a rasping sound and you have to exert more pull with your thumb and finger and it feels like you are pulling it through the grand canyon then you have the plague. Hard carbon fouling. This is a build up of powder fouling that has had bullets squeezed through it until it has compressed to a hardness that rivals diamonds. Under regular cleaning you will get the great majority of the bore clean but the area in front of the chamber will resist and your patches may seem to come out clean but over a period of time the situation grwos worse. At this point in time you are in for a bad time and need to be careful not to ruin what seems to be a good shooting barrel. If this is the problem you should come back and ask about hard carbon fouling. Most people seem to worry about copper. My experience the carbon is worse. [/QUOTE]
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vertical stringing of shots?
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