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My SA 300 wsm had feeding problems. It's a predator action so it's cut for a wyatts. The regular wyatts sucked so after much dunking with it I bought the wyatts that is set to center feed. I think it's the one they recommend for a 284 on a SA.

I only get 2 down now but feeding is flawless. It pretty much ignores the actions feed lips. I'm ok with one in the pipe and two down. I also had to nip the corner of the m16 extractor to keep the cases from bouncing off the windage turret and back into the magazine.

It was frustrating to pay up for a custom action and have to iron the simple things out but in the end the rifle performs great and became a favorite. Most of my game the last 5 or 6 years have fell to it.

I'm not sure if wyatts makes a center feed box for a LA but if they do I'd try it.

Bb

M5 configuration generally cures all feeding woes. Which mag box and follower are you using for the BDL setup? If you aren’t using one of the windowed ultra mag boxes be it Remmy or Wyatt I’d start there.

Ended up using a LA Mag follower and and ultra mag, windowed magazine. Still had to position rounds on the follower slightly ahead of the back of the magazine. That pretty much cured the feeding issues. Still wasn't real happy with the smaller loading port on the Bighorn action, so I dropped it in a Grayboe Terrain with a Grayboe std length (3.715') M5 DBM and 300WM Accurate Mag. Absolutely NO feeding issues with the M5 DBM.

I'm already toying with the idea of building another. If I do, I'm probably going to go with a Defiance Deviant Hunter SA Mag cut for the Wyatt's extended magazine. The Wyatt's gives an extra .100" of length, and the Deviant Hunter has a much more open loading port.

I'd personally skip the wyatts and get the Deviant in the XM length and use the Defiance XM bottom metal!