Small arms Ammunition is a limited quantity. Example you buy a case of ammunition 200 rounds you have 200 primers, 200 cases with powder and projectile. Without the barrel if 1 primer happened to go off then you would get a loud pop but no real penetration from the bullet. Powder in even a 1 lb...
I have 2 sets of Precision Hardcore Gear 34 mm rings for sale. One set has level (pictured) the other set is black with no level. Bought them and they didn't work with my scope and eye relief. $120 for non level and $150 for level. Both are low and that will include shipping to lower 48.