300 win mag problems (flyers)

[coaltrain]

so i have a 300 win mag. i have had it for about 10 to 13 years always been a great gun. last year i had a new custon stock put on it. the stock is precise and built to my gun. free floated barrel, all the good stuff. my problem im having now is that iv worked up loads for 180 gr. partions, and accu bonds. iv tryed all new brass, 4 different powders, 2 different primers, changing my overall length(bullet to and from lands). and at 100 yards im getting flyers some better some worse depending on powders and load size. out of a 4 shot group i will have at least 1 or more flyers. some flyers are 2 inches from bullseyes others are as far as 4 inch. this is getting very frusterating to say the least. iv reloaded for many years and dont know were to go next. i guess my questions would be if any one has experience with this? or is this typicall of a barrel that need replaced?? i don't think i have more than five or six hundered rounds through the gun max. but i don't know how a barrel acts when it is worn out. any help would be appriciated thanks

 

[JD338]

How are you cleaning the barrel?

Give RL 22 a try. 75.0 grs with a 180 gr will shoot sub MOA in several different rifles.

JD338

 

[nvbroncrider]

Are you're action screws properly torqued? New stock that's the first thing I'd look at.

 

[coaltrain]

i am shooting 75 gr of rl-22. but regardless of powder in geting flyers. iv also tryed 165 gr w/75 gr of rl-22 again 4 shot groop. 3 are grouped good fourth is 2 inches high and and inch right. i don't know. i have not checked the action screws ill do that for sure, that didn't cross my mind. but good suggestion ill give it a try. any other ideas im willing to listen. just got back from shooting and the thing that bothers me most is im shooting the same loads and yesterday and they don't even come close to patterning the same. anyway thanks for the ideas.

 

[nvbroncrider]

Scope mounts and your optics? How is your crown? Has the stock been bedded?

 

[Oldtrader3]

Strikes me as a bedding issue. Looks as though you are hitting the free loating barrel somewhere and causing a flyer?

 

[Vince]

If the flyer is occurring after the first two or three good shots I too would suspect a bedding issue.

 

[SJB358]

If the flyer is occurring after the first two or three good shots I too would suspect a bedding issue.

I am with Vince here. If you are getting 3 good shots and then getting a flyer, I suspect your bedding is not liking the extra heat. Are you shooting 3 or 5 shot groups. 5 shots is alot of shooting for a 300WM without alot of cooling time.

 

[coaltrain]

well my scope mounts and optics are all good. crown looks good. the stock has been bedded and bareel is free floating. im shooting 4 shot groups. i let the barrel cool inbetween shots anywhere from 5 to 15 min. being carfull not to let the barrel get hot. as far as when the flyer accurs. it has happend on the first shot before, but its more likely that it happens somewhere between shot 2 and 4. so in your opinion there would just not be enough room between the stock and the barrel? and again why would the same load shoot so differently from day to day (im talking inches different) unless somthing is moving. or i don't know i thought maybe typicall of a worn out barrel? i don't know. appriciate the insight.

 

[SJB358]

Sounds like pinched bedding somewhere. Not saying it is, but for it to throw shots like that, sounds like something is binding in the action somehow.

 

[cloverleaf]

I would be only guessing,,,,cuase I cant get mine figured out either. But a bedding issue makes sense. I read of a guy once with your trouble who finally figured out the his Magazine well was binding just a little in a new stock. A few seconds with the sandpaper and viola... problem fixed. Also I didnt notice it in your earlier posts, but have you tried making a pressure point in the fore end. Never had it work myself but its cheap and easy to try. Just a couple thoughts. Goos Luck. CL

 

[JD338]

Sounds like pinched bedding somewhere. Not saying it is, but for it to throw shots like that, sounds like something is binding in the action somehow.

I think Dr. Scotty got it.

JD338

 

[coaltrain]

thanks guys ill give it a try.

 

[OU812]

Are you're action screws properly torqued? New stock that's the first thing I'd look at.

Me too as you said it shot well prior to the new stock. If your not sure what the torque specs are for the actions screws find out and USE an inch lb torque wrench don't guess.


Bill

 

[FOTIS]

Bedding

 

[Antelope_Sniper]

Tell us more about this new stock?

10+ years with no problems.
Put on a new stock....and then you have problems....
So it sounds like we know the proximate cause.

What make is the rifle, what make is the stock?

 

[caribouhunter]

if your rifle is a remington, and you had a pressure point in your old stock's forehand, you might want to try rebuilting one.
i tried having my 700 lss free floating but it didn't like it.
POI shifted constantly. it could group 3 shot in 3/4" then the next 3 would also group 3/4" but 3" to the left, or any combination like that. like 2 together and 1, 3" left, etc.
i use aluminium tape that i folded to make a pressure point. i added layers until i could feel a good resistance trying to remove a thin sheet of paper from between the barrel and pressure point.
it solved my problem instantly.

 

[elkeater2]

Still got the old stock? That would be one way to prove that it is strictly stock related. Action screws touching in weird places can do that too. You said that the new one was installed precisely, is it bedded with pillars, glass, devcon, or a very professional hand inletting job? Does the grain of the stock flow pretty straight all the way through, especially from the magazine box forward? You'll get it figured out I bet!
EE2