Author Topic: Remington vs. Winchester brass (Read 680 times)

matt d · « **on:** October 13, 2003, 01:46:44 PM »

I recently switched from Winchester to Remington brass for my .270 Win. I put 57 grains of IMR 4831 in the new Rem. brass and it filled the case up more. Arter shaking both bullets, I can hear the powder rattle in the Winchester brass. When putting my new load on paper I thought there was more of a recoil. I am assuming that the Rem. brass is thicker so there is less room for powder, even though I am shooting the same bullet and using the same amount of powder could the thicker brass cause more recoil and is there anything else I need to know when swiching brass? The groups are clase to the same. Any info. would be appreciated.

KN · « **Reply #1 on:** October 13, 2003, 04:22:41 PM »

Switching brass can indeed cause big changes in your load. That "more recoil" equals higher preasure. So be carefull if your using "Max" loads. I had the same thing happen with 45/70 loads using H-322 and 300gr JHP bullets. I was loading Max charges in Winchester cases and swithched to Rem cases and I could not seat the bullet deep enough. Couldn't compress the charge enough to reach the crimp groove. Ended up backing off my load 2 full grains in the Rem cases. KN

matt d · « **Reply #2 on:** October 14, 2003, 06:29:29 AM »

KN,
There is still A tiny bit of space and my bullet seating depth is the same. My gun shoots way better if I don't seat the bullet all the way down to the crimp groove. Have you tried this? What are you thoughts? Thank you for the responce!

gunnut69 · « **Reply #3 on:** October 14, 2003, 11:21:44 AM »

The crimping groove is only a suggestion. Crimp where it works best in your rifle. The groove has little use excepting rifles that can cause problems such as an autoloader. To determine the differences in the cases, weigh 5-10 of each brand(statistically a bit more significant) and compare the different average weight. Should be cleaned, deprimed, and trimmed cases. The heavier will have the smaller capacity.. Also remember a rifles ability to handled a specific load will change with time. As the throat erodes and roughens from use the pressures will get higher.

KN · « **Reply #4 on:** October 14, 2003, 11:58:51 AM »

I have found that H-322 works better if I use a heavy crimp. So I use the groove. If it works good in your rifle then by all means seat them long. Just be careful of the preasure issue from the thicker cases. KN

matt d · « **Reply #5 on:** October 15, 2003, 05:55:00 AM »

KN and Gunnut,
Thanks for the resoponces. I weighed the cases and the Remington cases are heavier, this confirms them bing thicker. Thanks !