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Thanks for the reply. I was under the impression that bushing systems suffer loss consistent neck tension and concentricity from non-turned brass since the thicker portions of brass are pushed inward with the bushing system (which is then pushed back out after you seat the bullet). For...

I had the same problem with a Redding Series-A neck sizing die with new, unfired Lapua and Remington brass in 6.5x55. I polished the die with some flitz and it helped a little, but it still left lots of vertical striations on the case neck just like yours. It only left the scratches on new brass...

Werewolf, PM sent since I don't want to hijack this thread. Thanks :)

Werewolf, I'm going to say my disclaimer first that I'm not a materials engineer and I really don't have any business trying to explain this technically, but here it goes: I'm pretty sure that stiffness is directly correlated to cross section area and not surface area. If surface area did...

Heavy Metal Hero, Yes, fluting should technically improve cooling with increased surface area for heat dissipation although I'm really not sure if it's by a significant margin.

Fluting a barrel won't stiffen/strengthen a barrel per se. However, they will lighten the barrel, thus allowing a thicker/stiffer barrel to be used. In other words, if you have two barrels of the same weight and length, the fluted barrel will be stiffer (just because the fluting lightens the...

Thanks for all the replies. I'm actually curious how significant the difference is between the barrel life of the 1:8 compared to the 1:12. The guys at my local gun store feel quite strongly against the 1:8 and 1:9 twists, but I think that they may be a little bit of the old school philosophy...

Hi everyone, I'm new to forums and just started shooting this year. I'm curious if someone would be able to enlighten me on the correlation between rifling and barrel life for a .223 Rem bolt action. I've heard that more rifling is prone to wearing down a barrel quicker. In other words, it...