Lateral shot dispersion
Put my relatively new, <100 shots, 18″ .22 barrel on my SS to sight it in. Had to adjust the elevation several inches but I expected that. Got the shots printing on the horizontal line on the target at 25 yards BUT, the shots were spread out in a horizontal line. First to the right so I cranked in the appropriate amout of left to the scope. THEN the shots started printing to the LEFT. Too much right. Split the difference on the scope. After that the shots printed on the horizontal center line but with a 1-2 inch spread to both left and right of center. Light breeze from about 10:30. Not enough to account for the dispersion.
Now, any suggestions? Me? The newness of the barrel? Barrel installation? Checked all the set screws, etc; nothing loose. I’m at a loss here. HELP, please!
Oh, BTW, I’m shooting JSB’s weighed at 16.0 grains. Not lubed.
Thanks in advance.
Abe
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Also watch the lateral pressure on the grip and and from the shoulder on the tank.
You grip it to firm and the shots will go lateral.
Most who have upgraded to 18″ put 100+ shoots through the barrel before zeroing the scope. Seems like a break in time for the barrel before it starts shooting consistently. Look here also: http://talonairgun.com/forum/viewtopic.php?t=3143
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I kinda got that as well when I got my 18″ barrels —when I put the .177 18 in I remember snugging down the screws on the side of the frame first then the screws on the bottom — I know I was just rushing to shoot 10.6gr kodiaks at over 1000fps– any way i then tried to zero at 10yds verticle alignment was great horizontal was spread across a 1″ target— losened the barrel screws snugged the bottoms first then snugged the side screws and re snugged the bottom screws- re zeroed at 10 yds same 10.6 gr kodiaks same 3k psi fill –on a rest as I was before 30 feet away same hole shot after shot after shot- the lesser of the two evils – verticle misalignment over horizontal misalignment.