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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bad grouping. possible worn out barrel???
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<blockquote data-quote="me235" data-source="post: 1030711" data-attributes="member: 65225"><p>I built a 7mm-300 WIN on a win 70 action and a bartlein 28" rem heavy varmint barrel a little over a year ago. It has been a awesome gun shooting berger 180 VLDs, .3 MOA or better gun. I have been having a really hard time finding the berger 180s, so i decided to try the Matrix 190 grn bullets because i have heard great things about them. I went through close to 150 bullets in load development and couldn't get anything better than .9 MOA at 100 yds. about the time i was ****ed off and angry i found some berger 180s and just decided to go back to my usual load and shoot my group so i could feel a little better about myself. It shot a .8 MOA and bigger group also. I dont know an exact bullet count but i know that im under 800 rounds through it. Visual inspection just looking down my barrel with a light, i cannot see any signs that my barrel is burnt out or eroded anywhere, lands appear to be sharp and not too worn down and the barrel is shinny all the way through. Is it still possible its a barrel thats gone or does it sound like im chasing another problem?? </p><p></p><p>Any input would be awesome, ive been fighting this to wits end and i have a January elk hunt coming up in a couple weeks. Thanks in advance!!</p></blockquote><p></p>
[QUOTE="me235, post: 1030711, member: 65225"] I built a 7mm-300 WIN on a win 70 action and a bartlein 28" rem heavy varmint barrel a little over a year ago. It has been a awesome gun shooting berger 180 VLDs, .3 MOA or better gun. I have been having a really hard time finding the berger 180s, so i decided to try the Matrix 190 grn bullets because i have heard great things about them. I went through close to 150 bullets in load development and couldn't get anything better than .9 MOA at 100 yds. about the time i was ****ed off and angry i found some berger 180s and just decided to go back to my usual load and shoot my group so i could feel a little better about myself. It shot a .8 MOA and bigger group also. I dont know an exact bullet count but i know that im under 800 rounds through it. Visual inspection just looking down my barrel with a light, i cannot see any signs that my barrel is burnt out or eroded anywhere, lands appear to be sharp and not too worn down and the barrel is shinny all the way through. Is it still possible its a barrel thats gone or does it sound like im chasing another problem?? Any input would be awesome, ive been fighting this to wits end and i have a January elk hunt coming up in a couple weeks. Thanks in advance!! [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
bad grouping. possible worn out barrel???
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