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New rifle problems
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<blockquote data-quote="7070yshot" data-source="post: 2278974" data-attributes="member: 114427"><p>Lots of possibilities here. One thing I recommend always doing with a hunting rifle is do what I call a Cold Bore Collection.</p><p></p><p>Fire 1 round and wait until the barrel is completely cooled. Waite as long as it takes. Even shooting hours later or next day. I understand this can be time consuming on a public range. I always record the temp, humidity, station pressure, DoF for each shot. I have as many as 40 CBC's for a few rifles as I be fired in all temps, various conditions and locations.</p><p></p><p>if it is a hunting rifle this is the shot you want consistent. I realize shooting 3,5,10 rounds groups is fun and tells you a lot about the rifle and ammo but for a hunting rifle this is not necessary. You just need to know how it will perform with its first shot.</p><p>Now if we are talking about a target or competition rifle that has an appropriate dimension barrel you are looking at the over all harmonics of the barrel, ammo and shooter.</p><p></p><p>That 3rd round or some variation of 1 of the 3, or 2 of the 5 etc can be frustrating.</p><p>Adjusting bullet seating depth</p><p>Adjusting primer depth </p><p>These two things solve a lot of problems.</p><p>Other things to try.</p><p>Get Tubbs, Final Finish for fire lapping the barrel. This truly works.</p><p></p><p>Also what is your brass sorting technique if you sort at all?</p><p>What is your velocity for this load? Are taking velocity measures during each string? Any differences with the flyer.</p><p></p><p>it is often not just one thing to pull that flyer into the fold.</p><p></p><p>lastly, if you are shooting .7, .6 or .5 groups it may be the best this gun can do. Simple as that. It is an imperfect process of making actions, barrels, ammo, billets etc. Some guns are not going to give you .1, .2 size groups CONSISTENTLY. </p><p>Just because someone posts a 1/8 or 1/4 I. Group does not mean it happens every single time. It means the stars and planets aligned that one time. SubMOA is plenty good for hunting and most competition guns as targets are 2MOA and greater.</p><p></p><p>looking forward to hearing back</p></blockquote><p></p>
[QUOTE="7070yshot, post: 2278974, member: 114427"] Lots of possibilities here. One thing I recommend always doing with a hunting rifle is do what I call a Cold Bore Collection. Fire 1 round and wait until the barrel is completely cooled. Waite as long as it takes. Even shooting hours later or next day. I understand this can be time consuming on a public range. I always record the temp, humidity, station pressure, DoF for each shot. I have as many as 40 CBC’s for a few rifles as I be fired in all temps, various conditions and locations. if it is a hunting rifle this is the shot you want consistent. I realize shooting 3,5,10 rounds groups is fun and tells you a lot about the rifle and ammo but for a hunting rifle this is not necessary. You just need to know how it will perform with its first shot. Now if we are talking about a target or competition rifle that has an appropriate dimension barrel you are looking at the over all harmonics of the barrel, ammo and shooter. That 3rd round or some variation of 1 of the 3, or 2 of the 5 etc can be frustrating. Adjusting bullet seating depth Adjusting primer depth These two things solve a lot of problems. Other things to try. Get Tubbs, Final Finish for fire lapping the barrel. This truly works. Also what is your brass sorting technique if you sort at all? What is your velocity for this load? Are taking velocity measures during each string? Any differences with the flyer. it is often not just one thing to pull that flyer into the fold. lastly, if you are shooting .7, .6 or .5 groups it may be the best this gun can do. Simple as that. It is an imperfect process of making actions, barrels, ammo, billets etc. Some guns are not going to give you .1, .2 size groups CONSISTENTLY. Just because someone posts a 1/8 or 1/4 I. Group does not mean it happens every single time. It means the stars and planets aligned that one time. SubMOA is plenty good for hunting and most competition guns as targets are 2MOA and greater. looking forward to hearing back [/QUOTE]
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