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Rifle Problem


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Probably make more sense if i start from the top.. :whistling:

 

I went to zero my 6.5 yesterday for the first time since getting it back from the proof house after having a Predator 8 fitted. After the usual up a bit... left a bit, down a bit... right a bit i was happy with the 1" group i was getting 1" high at 100 yards... Most unlike me :boogie: I was very impressed with the mod dramatically reducing the recoil and very noise was considerably reduced :yes:

 

All was well so out came the chronograph to test the consistancy of the federal 140gr moly coated soft points. Shot a very tidy 5 shot group but it was nearly 2" to the left :blink: How strange :hmm: The chap i was with (the RFD who got the work done and whose range i was using) checked the bedding & mount screws which were tight & we put it down to my (bad) positioning.. which seemed plausible. Gave the scope the appropriate clicks right and put another nice group down... this time same distance right of the bull :wallbash: way further that the adjustment dictated. The light was fading and we i thought it was me so halved the difference and on the scope and left it at that.

 

I took the bolt out when i got home and was running an oily rag over it when i noticed the barrel 'knock' up by the fore-end :hmm: The whole action was bloody loose? It knocked from side to side, all be it with a bit of encouragement, and the action didn't look secure at all although movement was less decernable. I checked the bedding screws which were tight as a drum.

 

Now this is my dilemma... do it take the the rifle out the bedding myself, reposition and re-zero it or take it back to the rfd who arranged the proofing and put the gun back together? I'm a little concerned that the bedding screws might be threaded and don't want to make things worse. God knows how neither of us noticed it while zeroing and it makes the tight groups not make any sense.

 

Probably a needlessly long thread for a very simple problem but i'd appreciate any comments...

 

Cheers

 

Local :thumbs:

Edited by Local
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How many rounds did you put through it if the barrell gets hot it does with a mod you aint going to get a correct zero i fire 3 shots then wait ten mins let the gun go cold again

 

About 25 rounds in total, spaced out so temperature wasn't an issue. Its more the bedding that i'm concerned about... i'm hoping that it hasn't been buggerd up by shooting whilst the action was pissed in the bedding. :victory:

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How many rounds did you put through it if the barrell gets hot it does with a mod you aint going to get a correct zero i fire 3 shots then wait ten mins let the gun go cold again

 

About 25 rounds in total, spaced out so temperature wasn't an issue. Its more the bedding that i'm concerned about... i'm hoping that it hasn't been buggerd up by shooting whilst the action was pissed in the bedding. :victory:

i would take the gun back to who dont the work then if you touch it yourself you will void any warrenty better to let them do it mate

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Just spoke to a bloke in the know who thinks it may be something to do with the floor plate seating which is a more re-assuring than threaded bolts. Still.. i think i'll leave it to the pro to sort out. Can't understand how i was getting decent groups :blink:

Edited by Local
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I'd take the good groups as just a pure fluke and freak happening.

 

 

SS :thumbs:

 

My thoughts to but i was calling flyers and the rest were good!?! I agree it just doesn't add up? I'll take it to the dealer to sort out as i really don't fancy bastardising it by guesswork. I can't get away until next week... its like having an itch and being told not to scratch :D

 

Thanks for the advice... i hope its nothing serious.

 

L :)

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  • 2 weeks later...

Result!

 

Just a heads up on the situation for anyone else with a cz set into a wooden stock. Since the action was removed from the stock to go to proofing the wood seem to have changed slightly as the metal bush between the front bedding bolt and bedding block was a fraction proud. The wood stock would appear to have shrunk :blink: meaning the plate between the bedding block and bush was not even... hence the rocking. All it needed was a thou filing off the bush and now its perfect. I had already resigned myself to an expensive bedding job so i'm stoked :)

 

cz.doc

 

Local.

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