yes deeper , but to get rid of the full lip on the front inner trough it will require some widening. Also file the upper inner front down a bit to ( just make it all even and smooth). here are some more pictures. As you can see even with these mods you keep the aesthetics of the part and rifle when installed.
After you have it to the point you think is good, Clean assemble, Cycle it a bunch ( Unloaded ). Dissemble and look in the trough. If it needs more filing you will see rub spots in the trough. Work those areas some more and repeat.
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