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All same brass, RG all full length sized trimmed and chamfered.
Yes I have used a small base size die, as per photos, the neck is the problem, not the base
I’ve tried a Redding bushing die, rcbs...

102243102244

Right, now I’m really confused, I’ve pulled some of the projectiles and tried 3 different 223 dies and still have the bulge in the neck near the shoulder that is stopping the round...

Bloody autocorrect, volley was meant to read ‘bushing’

Thanks JWB I’ll try and find one to borrow, the other option is to get a volley for my Redding die that fits over the neck where the pill is seated but will still size down towards the shoulder.

It would have been operator error, I normally don’t size all of the neck on my bolt gun and the die would have been set for that, obviously the AR needs the neck sized all the way.

I’ll just have...

Thanks johnd I have a hornady collet puller, I’ll just put them aside again, I can’t be fff’d pulling them all and emptying all the powder and resizing.

Oh well, good enough excuse for me to buy a 249!!

Thought so, rats.

Neck not sized far enough down the case!
Any ideas about how to go forth?
Unsized bit it 10 thou larger
I used a 243 bushing in redding die to size originally, is it worth buying another bushing...

101473

Wrong photo

Problem finally diagnosed!!101472101472

Nope, brass is not over length.

Cordite ive done that and can’t seem to see where the problem is!
My case gauge just showed up on the courier and results are interesting, they seem to fit in the gauge but still not chamber by a...

They go through a rcbs body die and still don’t chamber.
Waiting on Sheridan case gauge to show up, then I guess I’ll buy a small base body die, lucky I’m stubborn because I will have spent more on...

Bullets not seated too long.
Rifle chambers factory ammo fine.
Tried a body die too, went through that fine.
Measured all dimensions with verniers and compared to hornady book, all within spec. ...

Measured them tonight and according to the hornady book they are in spec.
Buggered if I know, they definitely won’t chamber.

I am!
Just wishful thinking :-)

I am!!
Just wishful thinking:-)

Ha ha, yep definitely expected to get called a loser, I guess nobody love me anymore!!!
As soon as I get a chance I’ll have a play and post results.
Cheers guys.

I’ve got hold of a small base sizer so will try that.
I’ll also check some lengths, but the bolt is a millimeter or two from closing so I think it’s more than that.
Does anyone here have a case...

Cool, yep it’s the RG brass, I’ll check lengths first, I didn’t think of that with them being only once fired.
I think I have a 223 body die, I’ll keep you posted on results.
Cheers

Here is the part where I get told off!
A while ago I full length sized a heap of 5.56 brass I got from Gunworks and proceeded to load up about 600 with hornady 55 grainers, I made the novice mistake...