I have both but I guess I always thought the one piece base would be "straighter". Most of them are notched for the loading port so that shouldn't be a problem. I think the 2 piece bases look cleaner though.

Wag more, bark less.

The freedoms we surrender today will be the freedoms our grandchildren will never know existed.

The men who wrote the Second Amendment didn't just finish a hunting trip, they just finished liberating a nation.