Scope not dialed in

A

alberta guy

CGN Regular
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I got one of those cheap tasco .22 3-9x scopes that come with a bore snake on my savage MK2. I get it all sighted in and shooting nice tight groups all afternoon. The issue is when I put it away and take it back out the next weekend the scope has gone back out an inch or two at 50 yards. Tight groups, just not where it was sighted in when I last went out. I don't clean my guns. I have owned other tasco 3-9x scopes without this issue. Nothing is loose on the gun. Everything was blue locktighted and torqued when I brought it home after buying it.

Is it a bad scope or am I missing something else? I realize its a cheap scope but what its doing is quite odd.
 
You misunderstood what that package is all about. You're supposed to take the bore snake, tie it to the scope, spin it three times above your head as fast as you can and release toward the deepest part of the lake. Then go online and buy a decent scope.
 
Maybe internal adjustment changed or got bumped. Sometimes tapping the turrets after adjusting settle thing down on cheaper scopes. Try readjusting then tapping (gently) on the turrets to see if it shifts. Option #2 a better quality scope.
 
Ganderite said:
Could be the bedding of the rifle. A shifting good group often means the action and/or barrel is shifting slightly in the wood. make sure it is tight.
Click to expand...

I agree. My Savage MK2s ive owned did loosen up on the action screws periodically.
But also, dump that scope on the ee for $20 and get something more reliable.
 
The very basics, does your turrets have the lock feature or caps over them to prevent them from shift/movement? The scope shouldn't lose focus unless knocked even then thats 1 hell of a knock. I have the vortex viper on both my hunting rifles. Yes they are expensive BUT once I sighted them in I haven't touched them sense.
 
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