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Hunting
The Basics, Starting Out
Help! Gun will no longer group at all!
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<blockquote data-quote="4ked Horn" data-source="post: 55998" data-attributes="member: 11"><p>I agree with all the above tips.</p><p></p><p>I assume that you have looked down the bore with a good light at the other end. If you havent then I suggest that you do. I knew a benchrest shooter that suddenly got rotten groups only to find that the rifling had all but dissappeared in the bore. He blamed the polishing compound he added to the corncob media in his case tumbler. He thinks that it coated the inside of the case and made a goopy mixture of corn cob dust that abraided(sp?) the bore with each shot. </p><p></p><p>It might be a crap story but dosent hurt to look.</p><p></p><p>You also mentioned that you have a new brake. Did the group open up immeadiatly after the install? If so it could be a burr on the muzzle.</p><p></p><p>Lastly have a friend shoot the same ammo from your gun and/or from their gun. This will tell you alot about the problem being the gun or the ammo or you.</p><p></p><p>2 cents.</p></blockquote><p></p>
[QUOTE="4ked Horn, post: 55998, member: 11"] I agree with all the above tips. I assume that you have looked down the bore with a good light at the other end. If you havent then I suggest that you do. I knew a benchrest shooter that suddenly got rotten groups only to find that the rifling had all but dissappeared in the bore. He blamed the polishing compound he added to the corncob media in his case tumbler. He thinks that it coated the inside of the case and made a goopy mixture of corn cob dust that abraided(sp?) the bore with each shot. It might be a crap story but dosent hurt to look. You also mentioned that you have a new brake. Did the group open up immeadiatly after the install? If so it could be a burr on the muzzle. Lastly have a friend shoot the same ammo from your gun and/or from their gun. This will tell you alot about the problem being the gun or the ammo or you. 2 cents. [/QUOTE]
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The Basics, Starting Out
Help! Gun will no longer group at all!
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