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Hunting
Long Range Hunting & Shooting
2" x 12" groups?
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<blockquote data-quote="Bullet bumper" data-source="post: 688296" data-attributes="member: 17844"><p>OK this is typical bi-pod grouping that comes about with poor recoil control and poor grip and butt control of the gun. The bi-pod will skate around from side to side under recoil . The vertical will be fine but the horizontal not so good. You are shooting a 7m RUM not a 6mmBR so you have to hold it firm otherwise recoil will push you and the the bi-pod all over the place . </p><p>Make sure you load your bi-pod by pushing it forward slightly after each shot especially if shooting from the dirt . </p><p>Make sure the butt is in your shoulder and not going under slightly with recoil , which helps the bi-pod skate . The latest sniper technique of laying very straight behind the gun is prone to poor holding if you are not young fit and agile so don't use it .</p><p>Make sure the bi-pod connection to the stock forend is as rigid as you can get as some tend to be not so rigid and flex about from side to side under recoil making horizontal even worse and helping the bi-pod skate from side to side. </p><p>Heavy guns with heavy recoil need much more than a bi-pod attached to a single sling stud it just is not rigid enough. </p><p>Recent experiments I have done with an 18 pound alloy chassis rifle and a Harris bi-pod have confirmed these issues . Some other brands like Atlas are a bit better I feel. In the end I had to epoxy resin the American defence rail adapter to the bi-pod permanantly to stop sidways flexing . Not the rail adapters fault but the single point pull of the Harris bi-pod is just not rigid enough and can rock about around that single point .</p><p>A bit of wind is in there also to one side I reckon but if the group is pread left and right of the center then it can't be all wind , bi-pods are great at controlling verticle but need help to control horizontal .</p></blockquote><p></p>
[QUOTE="Bullet bumper, post: 688296, member: 17844"] OK this is typical bi-pod grouping that comes about with poor recoil control and poor grip and butt control of the gun. The bi-pod will skate around from side to side under recoil . The vertical will be fine but the horizontal not so good. You are shooting a 7m RUM not a 6mmBR so you have to hold it firm otherwise recoil will push you and the the bi-pod all over the place . Make sure you load your bi-pod by pushing it forward slightly after each shot especially if shooting from the dirt . Make sure the butt is in your shoulder and not going under slightly with recoil , which helps the bi-pod skate . The latest sniper technique of laying very straight behind the gun is prone to poor holding if you are not young fit and agile so don't use it . Make sure the bi-pod connection to the stock forend is as rigid as you can get as some tend to be not so rigid and flex about from side to side under recoil making horizontal even worse and helping the bi-pod skate from side to side. Heavy guns with heavy recoil need much more than a bi-pod attached to a single sling stud it just is not rigid enough. Recent experiments I have done with an 18 pound alloy chassis rifle and a Harris bi-pod have confirmed these issues . Some other brands like Atlas are a bit better I feel. In the end I had to epoxy resin the American defence rail adapter to the bi-pod permanantly to stop sidways flexing . Not the rail adapters fault but the single point pull of the Harris bi-pod is just not rigid enough and can rock about around that single point . A bit of wind is in there also to one side I reckon but if the group is pread left and right of the center then it can't be all wind , bi-pods are great at controlling verticle but need help to control horizontal . [/QUOTE]
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