Help- BAT 3L and 6 Dasher

[AckleyImproved]

Guys

I have myself a BAT 3L 1.365 dual port action which I was planning, and hopefully still planning on using for a 6mmDasher build.

The reamer is a 0.272"NK, 0.125FB.

Now, here is my problem. I put a case in with a 107MK seated and cycled the bolt in the action,no barrel etc), just beacuse I have a new toy. I noticed that as the bolt is cycled the case lifts as it hits the bottom lug area of the receiver, centering it. This lug is the guide to put the round into the chamber.

Now, my problem. Since the projectile is seated out as fair as it is, it appears that the 107MK projectiles tip/point is past the threaded area of the action before it starts lifting on bottom lug area.

It appears to me then, that when the bolt is cycled with a 6mm Dahser round and the 107MK, that the round will hit the back of the barrel before lifting to centre it?

Is this true? I know the back of the barrel has a 25degree angle sue to the coned bolt, but I think this would not be enough to guide, and when the bolt would be cycled quickly would most likely jam the projectile further into the case.

http://i10.photobucket.com/albums/a1...835600x450.jpg

I need to know the answer to this before I have the rifle built.

The stock I have is basic inlet for a BAT 1.365" round action. No bolt handle etc has been cut. If it is a issue, I will look at going to a BAT DS action.

I do have my heart set on the 3L though!

I hope one of you out there can answer this!

Cheers

 

[ProneKing]

Ackley,

I've got a BAT 3-lug chambered to shoot 6 Dasher. My freebore is .103". I've never heard of a 6mm VLD type freebore as long as yours, but relatively speaking, it isn't that much longer than mine. I have had no hint of the "issue" that you are trying to explain. My 3-lug has fed without a hitch so far. The barrel is an integral part of your cartridge feed route. I don't think you can judge feeding issues without having one installed. Unless you are planning on shooting with zero neck tension, you shouldn't have a problem. Just my opinion.

YMMV,
ProneKing

 

[flatlander]

Dittos to what ProneKing said - I've got BAT 3Ls in both Dasher & 6x47L, and have had no problems with the issue you're concerned about.

 

[AckleyImproved]

Thanks Guys...

I will be running around the 0.002" neck tension.

I would think that the coned 25 degree area of the barrel would guide the tip of the projectile into the chamber.

Could one of you blokes cycle your 3L action using the Dasher, and tell me if the round centres by using the cone area?

Cheers
AI