223 Rem. They recommended CCI (more difficult primers) for all hundreds used in any firearm that has a totally free floating firing pin since the AR does. Other sensible, they said, it matters very little and all major brands will ignite in regards to the exact. Increase to quotation Only clearly

So I labored up my load with my Winchester primers and WOW he wasn't kidding. From the bench I had been acquiring 1/two groups. Now regarding a press release that you simply created stating you can change circumstance manufacturer isn't constantly true. I think it absolutely was handloader m

Primers even have quite minor distinctions in diameter creating seating resistances noticeable - diameter Proportions change less than .001 but even this small quantity could be noticed on seating. My last primer seating chore indicated that WLR primers took noticeably fewer effort to seat than CCI

Alternatively, if a number of the primers that gave poorer ends in your screening with a certain .308 load gave far better results with a different cartridge/powder/bullet bodyweight, It could be A great deal more challenging to create any general predictions Which may enable a reloader to keep a st