PTG Bolt Head and Bolt Body: What Fitting is Required?

tobnpr, the point in shouldering a barrel directly on the receiver means there's one less part whose mating surfaces needs to be squared up with all else. Some folks have squared up their Remington round receiver faces only to find out the recoil lug's surfaces were not plane with each other; top part against the receiver was a few thousandths different than the bottom part.

Which is why David Tubb's custom Remington recoil lugs' front and back surfaces are ground plane with each other. They're thicker, too, as some Remington magnum rifles would bend them if they contacted the lug abutment only at the bottom of the lug recess in the stocks.
 
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