Anybody have pictures of a modified SA Remmy 700 feed ramp?

[scudzuki]

I measured the depth of the throat in my .308 chambered 700 SA and found that the approximate max length of cartridges using the Hornady 168 HPBTs I have boxes of is around 2.925" to stay .010" off the lands; I made a gage to measure to the ogive (actually where the bullet is .300 diameter, not sure if I'm using the term correctly) so that is where I'm really measuring the cartridges for fitting my chamber/barrel, but nonetheless, the OAL ends up .025" longer than what I can fit in the AICS mags and .035" longer than what will reliably move through the mag (2.890"). I'm sure this is nothing unusual.

Problem is, even 2.890" long cartridges won't feed (except the first one) as stripping the round on top off pushes the next round against the strip in the front of the mag, which is a few thousandths too far to clear the mag opening in the action. Again, I'm sure this has been seen before.

Sooooo I need to modify my feed ramp, and although I have a pretty good idea what I want it to look like, I remember seeing a thread here with a picture of one done by an honest-to-goodness professional smith, and I'd like to see it again to confirm if I'm on the right track.

If anybody has pictures like this, I'd appreciate seeing them.

I am going to cut it deep enough to allow for the longest cartridges the mags will accomadate, including removal of the limiter plates spot wleded in the mags, should I become brave enough to remove them.

Don't want to be doing this twice.

Joe

 

[JB02]

Here is one that RW Snyder Gunsmithing did on my 300 WSM:

This is one that I did to accept type II Alpha mags:

 

[TCKev]

Need to try Alpha Mags type 2 mags. You can load real long with them according to there website.

http://www.alphaindmfg.com./store/index.php?route=product/product&product_id=51

 

[scudzuki]

Here is one that RW Snyder Gunsmithing did on my 300 WSM:

This is one that I did to accept type II Alpha mags:

So all that is done is notching the opening deep enough for the tip of the bullet?
I figured the notch itself would need a ramp cut in it.

Joe

 

[JB02]

Nope. Mark the area where the magazine is contacting the ramp and use a sharpie to color in a section to place the notch. Put on your safety glasses and go nice and easy with a dremel. If you have access to a mill or more sophisticated machinery, that would make the job appear more cosmetically refined.

 

[scudzuki]

Nope. Mark the area where the magazine is contacting the ramp and use a sharpie to color in a section to place the notch. Put on your safety glasses and go nice and easy with a dremel. If you have access to a mill or more sophisticated machinery, that would make the job appear more cosmetically refined.

I just finished up with a 1/4" end mill.
I dressed it up with an air grinder.
After some testing, I find that some of the rounds hang when the case mouth contacts the edges left where the 1/4" slot breaks through into the existing ramp.
The bullet rides into the feed ramp then the end of the case mouth catches and stops it dead.
I'm either going to chamfer those edges or open the slot up with a 3/8 end mill.
I'm leaning towards the chamfer.

Joe