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Rifles, Reloading, Optics, Equipment
Shotguns
870 shooting bad please help
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<blockquote data-quote="6BUDS" data-source="post: 430311" data-attributes="member: 27258"><p><span style="font-family: 'Times New Roman'"><span style="font-size: 12px">First you need a barrel with a cantilever base. I had purchased a Mossberg 500 pump that had a drilled and tapped receiver for a scope mount and I used it. I could not get consistent groups with it. My gunsmith told me that I wouldn't because most pump shotguns don't have a solid lock up between the barrel and the receiver. He then demonstrated the movement of the barrel while the receiver was in a padded vise. No matter how tight the barrel nut was, the barrel still moved. He also showed me the same movement on a Remington 870. I then purchased a cantilever rifled barrel from Mossberg and the groups improved drastically. I was still not satisfied. The gunsmith inspected my setup and pointed out that the crown at the muzzle seemed out of alignment. He recrowned it and my groups got really tight. At 100 yards I can get 3 to 4 inch groups. I am using the Winchester Partition Gold Sabots. My best groups are with a discontinued Marlin Slugmaster bolt action shotgun. I had to recrown this barrel also. I have also heard that Browning and Savage have bolt action shotguns that shoot very well. Good luck</span></span></p></blockquote><p></p>
[QUOTE="6BUDS, post: 430311, member: 27258"] [FONT=Times New Roman][SIZE=3]First you need a barrel with a cantilever base. I had purchased a Mossberg 500 pump that had a drilled and tapped receiver for a scope mount and I used it. I could not get consistent groups with it. My gunsmith told me that I wouldn’t because most pump shotguns don’t have a solid lock up between the barrel and the receiver. He then demonstrated the movement of the barrel while the receiver was in a padded vise. No matter how tight the barrel nut was, the barrel still moved. He also showed me the same movement on a Remington 870. I then purchased a cantilever rifled barrel from Mossberg and the groups improved drastically. I was still not satisfied. The gunsmith inspected my setup and pointed out that the crown at the muzzle seemed out of alignment. He recrowned it and my groups got really tight. At 100 yards I can get 3 to 4 inch groups. I am using the Winchester Partition Gold Sabots. My best groups are with a discontinued Marlin Slugmaster bolt action shotgun. I had to recrown this barrel also. I have also heard that Browning and Savage have bolt action shotguns that shoot very well. Good luck[/SIZE][/FONT] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Shotguns
870 shooting bad please help
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