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The Basics, Starting Out
MOA question
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<blockquote data-quote="James Jones" data-source="post: 242781" data-attributes="member: 8843"><p>Generaly the MOA thing is not a set standard for gauging your groups ,if a guy has a 1 moa gun at 100yds then the chances of him shooting a 10" group at 1000yds is slim , same goes for shooting a 1 moa group at 100 then a 4moa group at 300 , your bullet is in the air alot longer and that allows wind and such to act on it.</p><p>What'll screw you up is having a gun shoot a 1 moa group at 100yds then shoot the same size group at 300yds , consistantly , this happens somtimes with some of the realy long VLD style bullets , its known as the bullet "going to sleep" , or settling down. This is why I perfer to do my load development out to at least 200yds , preferably 300yds</p><p>So in short no , if you shoot a 1" goup at 100yds then shoot an 8" group at 800 then you deserve a pat on the pack.</p><p> </p><p>To measure your group use a dial caliper and measure outside to outside of the widest edges of the bullet holes and subtract one bullet diameter and that will give you a group size , for instance if you put 4 , 308 rounds through one ragged hole measuring .400" wide at it wides point then you have a group that .092" (Thats realy tight !!) but you shoot your 5th shot cause your an honest guy and don't want to just say the 5 bullet shot clean through the hole and that 5th round lands 1.5" from the rest (center to center) then you have a group size of 1.392"</p></blockquote><p></p>
[QUOTE="James Jones, post: 242781, member: 8843"] Generaly the MOA thing is not a set standard for gauging your groups ,if a guy has a 1 moa gun at 100yds then the chances of him shooting a 10" group at 1000yds is slim , same goes for shooting a 1 moa group at 100 then a 4moa group at 300 , your bullet is in the air alot longer and that allows wind and such to act on it. What'll screw you up is having a gun shoot a 1 moa group at 100yds then shoot the same size group at 300yds , consistantly , this happens somtimes with some of the realy long VLD style bullets , its known as the bullet "going to sleep" , or settling down. This is why I perfer to do my load development out to at least 200yds , preferably 300yds So in short no , if you shoot a 1" goup at 100yds then shoot an 8" group at 800 then you deserve a pat on the pack. To measure your group use a dial caliper and measure outside to outside of the widest edges of the bullet holes and subtract one bullet diameter and that will give you a group size , for instance if you put 4 , 308 rounds through one ragged hole measuring .400" wide at it wides point then you have a group that .092" (Thats realy tight !!) but you shoot your 5th shot cause your an honest guy and don't want to just say the 5 bullet shot clean through the hole and that 5th round lands 1.5" from the rest (center to center) then you have a group size of 1.392" [/QUOTE]
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