trouble zero'in me scope

Tac

hi all, i have a CZ 452 varmint in .22lr,, she's brand new.

no problem setting the scope without the silencer, but when i attach the silencer ( a Parker-Hale ) i cannot get it on paper at 25 yards. its throwing the shots in every direction....

any suggestions?

endasmail

zero it with the moderator on
see how it works out

murph226

Is rifle factory threaded?

Is it an over barrel style mod?

Tac

i did, cant get any consistency at all with the shot, a Royal Marine Commando was helping me so we were definatly doing things right.

ormondprop

i'd hazard a guess at either the barrel isn't threaded properly or else the extra weight of the mod is causeing the barrel to come in contact with the stock, so if this is the problem remove the stock and sand the barrel channel, or else maybe try a different mod

Feidhlim Dignan

its probably the mod, if the baffles aren't lined up right inside as can happen with a PH the bullet might be striking it on the way trough

Tac

murph226 wrote: »

Is rifle factory threaded?

Is it an over barrel style mod?

no, its not factory threaded. i got that done. the moderator dosent go over the barrel, just screws on to the top.

ormondprop

Tac wrote: »

no, its not factory threaded. i got that done

was it a proper gunsmith who did it? did he centre the barrel perfectly on the lathe before doing it or did you see him doing it

clivej

Try putting a cleaning rod down the barrel with the mod on and see if its still central coming out of the mods muzzel.

You realy already know whats wrong at the back of your mind.
I would put forward the notion that the barrel thread is pissed. Take the mod apart and see where the bullet is hitting either a baffle or the exit hole.

Another way to check would be to put a long straight edge, a meter steel rule, againist the mod and run it up to the action. Then see if you have the same gap down all sides of the barrel.

dCorbus

Sounds like a botched threading job TBH

Either that, or a faulty moddy.

Do as clivej says, check it out, and if it is a botched threading job, then bring it back to the craftsman who did the job, and get him to replace your rifle.

If it's a faulty mod, bring it straight back to the shop, and get your money back.

And in the meantime, leave the moddy off when shooting, as it may be unsafe.

bunny shooter

As stated check baffles in moderator. PH comes with a metal rod for ensuring they are in correctly. Maybe try another moderator?

Royal Marine Commando :eek:, they are only human too, and they put their trousers on one leg at a time, same as the rest of us :P

dCorbus

Yep, plus he coulda been in the Catering Corp of the RM!:D:rolleyes::rolleyes:

Remmie 223

Bad threading job i think. Try laser bore sighter with & without moderater if you can get your hands on one

Tac

clivej wrote: »

Try putting a cleaning rod down the barrel with the mod on and see if its still central coming out of the mods muzzel.

You realy already know whats wrong at the back of your mind.
I would put forward the notion that the barrel thread is pissed. Take the mod apart and see where the bullet is hitting either a baffle or the exit hole.

Another way to check would be to put a long straight edge, a meter steel rule, againist the mod and run it up to the action. Then see if you have the same gap down all sides of the barrel.

i think your right. i just unscrewed the top of the moderator and took out the wee baffles. there is signs of where the bullet has struck before...so, obviously the threading is knackered.. :mad: what can i do now? can it be re-threaded properly?

Tac

dCorbus wrote: »

Yep, plus he coulda been in the Catering Corp of the RM!:D:rolleyes::rolleyes:

haha! no, he's with the anti-pirate unit,,, lucky sod!!!

It wasn't me!

Tac wrote: »

i think your right. i just unscrewed the top of the moderator and took out the wee baffles. there is signs of where the bullet has struck before...so, obviously the threading is knackered.. :mad: what can i do now? can it be re-threaded properly?

Yeah, no hassle to a decent gunsmith. They'll chop the last inch or so of the barrel, cut the thread properly and re-crown the barrel. Should shoot better than ever then.

Tac

It wasn't me! wrote: »

Yeah, no hassle to a decent gunsmith. They'll chop the last inch or so of the barrel, cut the thread properly and re-crown the barrel. Should shoot better than ever then.

can ya recommend a good gun smith?

It wasn't me!

Fergal Whyte in Athlone or John Greene in Kilmacow, whichever's closest. Both will do a bang-up job.

bunny shooter

Tac wrote: »

i think your right. i just unscrewed the top of the moderator and took out the wee baffles. there is signs of where the bullet has struck before...so, obviously the threading is knackered.. :mad: what can i do now? can it be re-threaded properly?

Or the baffles weren't in properly.

Do you have the metal bar for assembling moderator?

If not check with another moderator first as threading may be fine.

Cass

Just a small piece of advice. Bring the mod with you. If the gunsmith has the mod the threading job will be even better as he can match it to the exacting tolerances of the threads on the mod.

I had a rifle a while back with a threading job already done. I bought a mod and it worked and fitted fine. A mate then bought the exact same rifle, caliber everything. He went and got it threaded, but having bought the mod of me he brought it and gave it to the gunsmith for comparison.

Anyway the mod sits better and "truer" on his rifle than it ever did on mine and the cap that protects the threading when the mod is not on will not screw onto my rifle either fully or properly. Yet it fits my mates perfectly. Just goes to show the difference between an average, working thread job, and one done by a competent and skilled worksman.

Tac

lads, thanks a mill for the advice and help. i bought the whole set up new, the dealer got it threaded for me, so i never had the metal bar.

im gonna give that guy in athlone a shout, bring the whole set up to him and see what he says..

thanks again everyone!!

zeissman

Tac wrote: »

lads, thanks a mill for the advice and help. i bought the whole set up new, the dealer got it threaded for me, so i never had the metal bar.

im gonna give that guy in athlone a shout, bring the whole set up to him and see what he says..

thanks again everyone!!

I would take it back to the dealer.
Why should you have to pay again to get it threaded again.

Tac

zeissman wrote: »

I would take it back to the dealer.
Why should you have to pay again to get it threaded again.

i know, but if he f**ked it up in the first place i defo wanna get it done right this time....

anyone have contact details for Fergal Whyte?

.243

if it shoots and groups well without the mod on,its the mod thats the problem,if not its the threading and crown thats the problem

zeissman

Tac wrote: »

i know, but if he f**ked it up in the first place i defo wanna get it done right this time....

anyone have contact details for Fergal Whyte?

Do take the gun to fergal whyte but I would still take the rifle and mod back to the dealer first and tell him about the problem.
He may offer to pay to get it sorted.

clivej

.243 wrote: »

if it shoots and groups well without the mod on,its the mod thats the problem,if not its the threading and crown thats the problem

Yes try I different mod on first it could be all that's needed.

bunny shooter

clivej wrote: »

Yes try I different mod on first it could be all that's needed.

It's what I'd do next too

Tackleberrywho

bunny shooter wrote: »

It's what I'd do next too

I've used 2 Mods on 2 different rifles and swapped both over recently.

I've had no issue with grouping

Fergal White's number can be found on

www.irelandcustomrifle.com

If the rounds were nicking the Mod as a result of a poor thread job groups would be all over the place

bunny shooter

Tackleberrywho wrote: »

I've used 2 Mods on 2 different rifles and swapped both over recently.

I've had no issue with grouping

Fergal White's number can be found on

www.irelandcustomrifle.com

If the rounds were nicking the Mod as a result of a poor thread job groups would be all over the place

:rolleyes:

Come on Tac get with the program ! ........................think about what we're suggesting

I know Fergal is your hero but there might be no need for the lad to go there..........yet

Tackleberrywho

bunny shooter wrote: »

:rolleyes:

Come on Tac get with the program ! ........................think about what we're suggesting

I know Fergal is your hero but there might be no need for the lad to go there..........yet

Actually MY hero is Frank Gallagher.

OP

A mod should improve your group, not make it worse.

bunny shooter

OK so Tac I've a bit of free time so I'll explain just for you :P

We're suggesting try another mod and if it shoots OK then it's his mod that's wrong. If it doesn't shoot OK then it is more than likely the threading and he'll need to get Fergal to work his magic.

Tackleberrywho

bunny shooter wrote: »

OK so Tac I've a bit of free time so I'll explain just for you :P

We're suggesting try another mod and if it shoots OK then it's his mod that's wrong. If it doesn't shoot OK then it is more than likely the threading and he'll need to get Fergal to work his magic.

Can't figure how a mod would cause grouping to change


Get a mirror and a torch and inspect the mod for deformities in the steel OP

if there is a piece protruding inside it might cause the problem

bunny shooter

Tackleberrywho wrote: »

Can't figure how a mod would cause grouping to change


Get a mirror and a torch and inspect the mod for deformities in the steel OP

if there is a piece protruding inside it might cause the problem

By jove, I think the penny has dropped

Tackleberrywho

bunny shooter wrote: »

By jove, I think the penny has dropped

HOWEVER

It is more likely a bad thread job that would cause a misalignment

One shot on kill

pick that penny back up and try droppin it again

if it is misalinement that it would be a bad treadin job but he needs to find out if the mod is ok first
process of illimination like
and start of with the cheapest easyest solution first
which it only takes 2 seconds to screw on another mod ad let of a 5 shot group

Tackleberrywho

One shot on kill wrote: »

pick that penny back up and try droppin it again

if it is misalinement that it would be a bad treadin job but he needs to find out if the mod is ok first
process of illimination like
and start of with the cheapest easyest solution first
which it only takes 2 seconds to screw on another mod ad let of a 5 shot group

I've lots of Pennies and 2 Moderators same thread if anyone needs to test

My point is, I'm 80-90% Confident it's the thread that is the problem.

However if the thread is wrong the Mod will be also damaged.

So back to the RFD would be first port of call. If He F**ked the Rifle he now owns it

landkeeper

Tackleberrywho wrote: »

HOWEVER

It is more likely a bad thread job that would cause a misalignment

what a silly statement there is much more likelyhood that one or more of the baffles are out of line , its a parker hale moderator that has 15or so baffles in it, if the end comes loose the baffles move out of place and into the path of the bullet that is why when you buy it you get an assmbly rod that locates all the baffles on reassembly it's not rocket science

Tackleberrywho

landkeeper wrote: »

what a silly statement there is much more likelyhood that one or more of the baffles are out of line , its a parker hale moderator that has 15or so baffles in it, if the end comes loose the baffles move out of place and into the path of the bullet that is why when you buy it you get an assmbly rod that locates all the baffles on reassembly it's not rocket science

My apologies, I only noticed it was a .22lr mod.

However, I did say inspect for a piece of metal misaligned or deformed .

A handy way of doing this is to remove the bolt and shine a torch up the bore and see does it project a perfect circle on the wall you are pointing the mod at

Or just with the Mod itself, shine a light through. White light from LED's I find works better than Yellow light.

Apologies OP for the SILLINESS