OAL? Help Please

Shruby

Shruby

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Ok
So we all know that .223 OAL is 2.260

and up till tonight everything I load is somewhere between 2.200 and 2.247 OAL, This keeping all rds 10 to 15 thou off the lands

Now the mag in my A-Bolt is 2.289
Tonight just for sh!ts I loaded a new bullet ( Nosler Ballistic Silvertip 50 gr )
I Kept it out long for the mag lenght knowing it should be too long for the lands but what the He!!
So I put it at 2.287 OAL and tried it, guess what never touched the lands

So What Gives????? :confused::confused::confused:

Can I shoot them this lenght? Should I shoot them this lenght??
Like I said every thing else seems to be in the 2.200 to 2.247 range to keep them off the lands

What gives??

I tried to find out some info other places but no luck so I come to the Know ;)

Thanks Rod
 
The ogive of any perticular bullet will be different then the next brand, what I mean of the "nose" of one bullet will be different then the next brand. This is why our coal is longer yet your still off the lands


Sorry this is the quick iPhone answer
 
Tha oal listed in books is the generic length that will feed in any mag, some mags will be longer , shooting a Cartridge that's longer is just fine, if you start to load shorter you will need to watch for pressure signs with loads that have lower then max charge of powder
 
I load 69 gr SMK's in my savage to 2.374" and the 80 gr Bergers to 2.480". The Bergers have to be single loaded as their to long for the mag. These are all about .010 off the lands.
 
Ignore the OAL, what you are interested in is the leading edge of the bullet's bearing surface (ogive) and it's relation to the lands. When I work up a load, I begin with the ogive tight to the lands, and once I've got my load I experiment with the seating depth off the lands in an attempt to find the sweet spot. More often than not, when I'm loading for accuracy I do best with the bullet tight to the lands. But that's me with my rifle, and it might not work for you with your equipment or choice of components.
 
Boomer said:
Ignore the OAL, what you are interested in is the leading edge of the bullet's bearing surface (ogive) and it's relation to the lands. When I work up a load, I begin with the ogive tight to the lands, and once I've got my load I experiment with the seating depth off the lands in an attempt to find the sweet spot. More often than not, when I'm loading for accuracy I do best with the bullet tight to the lands. But that's me with my rifle, and it might not work for you with your equipment or choice of components.
Click to expand...

Cool

Thanks very much

This is the first load where the ogive has been anywhere near the OAL lenght or over it for this gun

Thanks again Rod
 
2.260" is just a generic OAL that will let the ammo be fired in any chamber. My 90VLD .223 had an OAL of 2.700" (single shot, single feed) so you really just have to check and see what your chamber is and what your mag will allow.
 
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