What causes flyers?
 

I am struggling with a load for a 300 WSM A-Bolt. So far it likes 200 grain accubonds but there is always a flyer. I have found a load that I can shoot a group of three shots. The first shot is perfect, second shot is 1" to the right, 3rd shot is touching the hole of the first shot. It does this consistantly. Would this do to the barrel heating up after the first shot?

RE: What causes flyers?
 

If the third shot is touching the first shot,it is not likely due to heat in the barrel.If barrel heat or beddingis the problem,the following shots usually continue to walk away from the first shot.

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RE: What causes flyers?
 

If thats what its really doing, then those groups are not bad.

A-Bolts have thin barrels. And they are light and you are shooting a higher performance round. If I was you, I would be pretty happy with 1MOA groups with a 200gr load.

But to answer the question, several things.My defintion of fliers is little different. It an outlier, 2 Std deviations away from the group. And a group needs really 5 shots at least. You stats folks know what I am talking about.

A-Bolts are great guns but the factory glass bed sucks. Its easy to redo. Thierglass bedlooks like a globof bubblegum.I also doing likeaction screws to be slotted. Ican putconsistent torque on allen screw heads with a torquewrench.

I have a abolt right now that needsrebedded. It will shoot 2 shots great, but3-5 bad. I get 1.2 MOA but where I use it, it doesn't shoot bad enough for me tomake time to rebed.

Second, maybe ammo. Has any ammo done well with it? Any factory ammo.Bullet runout, is a culprit I findwith alot ofreloaders fliers.

RE: What causes flyers?
 

Well, I have never fired a factory round out of it. I have tried loads from 165 grain through 200 grain and it is just all over the place. The 200's seem to do the best. It bugs me because I have a walmart speacial model 70 (30-06) that I have done nothig to and it shoots a group that you can fit a nickle over and the fancy A-Bolt cant shoot a group worth poop!

RE: What causes flyers?
 

Man, I thought you said it was shooting 1Moa? Thats pretty good.

RE: What causes flyers?
 

2 out of 4 shots are. I cant get it to shoot two shots in a row that come close.

RE: What causes flyers?
 

Well, when buying guns, there's no guarntee because of name or whatever. Have some work done on it. I suggest rebedding at first. Maybe checking action screws. Quick headspace check.

RE: What causes flyers?
 

How many different powders,and how many different styles of bullets have you tried?

RE: What causes flyers?
 

I have tried Reloader-19, Reloader-22, IMR 7828 and IMR 4350 I think. And just Nosler partitions and Accubonds.