Thread: tight closing the bolt

Gidday guys an gals
so ive been reloading for a few years, never stop learning either, but ive just started loading for a new .308. I am using once used cases (Hornady, and Winchester) and have de primed them, and resized the necks, installed new primers, poured powder, then seated projectile on first one. All measurements are identical to factory ammo, case length, overall length, projectile seated to correct depth etc. I tried it in rifle to make sure it fitted into mag, and went to load to check seating depth etc, but the bolt was really tight closing, in fact too tight really. I put ink on neck to check for scraping on breech etc but nothing.........and nothing on projectile either........ I tried another factory round and it worked well. Spent ages going over measurements with vernier calipers and apart from a slight variation on the bottom of the neck 1/2 a millimetre, everything is the same. Tried another couple of cases, so as to use both brands, but same problem. So the question goes begging.......... anyone else found this problem before? I load successfully for .270WSM. .300WSM. .223WSSM, .7mm-08, .243, so not totally green-horn lol
Cheers in advance guys
Shane.