20 BR with 40gr bullets - Page 2

x32030 · #11 04-15-2019, 04:51 PM

I use a .20 Tac. with 39gr SBK over 24.9 gr of 10x and 71/2 Rem primer in Lapua brass. Works well for me, start at about 24gr & work up. Have fun!

trotterlg · #12 04-15-2019, 11:02 PM

If you are really concerned about barrel life you are probably playing the wrong game. Fast is definitely better for most things.

trotterlg · #13 04-15-2019, 11:18 PM

If you are really concerned about barrel life you are probably playing the wrong game. Fast is definitely better for most things.

Tim Anderson · #14 04-15-2019, 11:26 PM

Core separation.. LOL

trotterlg · #15 04-16-2019, 03:41 AM

Haha.. No, a 20 Swift, 27gr bullet and 40gr of 8208. aim and shoot zero to 350 yards.

trotterlg · #16 04-16-2019, 03:59 AM

It would go faster but the case is full..................

Tim Anderson · #17 04-16-2019, 10:02 AM

Lets see a five shot string on the Chrono and average vel. I say core separation or the Chrono was cold.

Tim Anderson · #18 04-16-2019, 10:10 AM

Fastest bullet record is 4665, perhaps you should try out for the new world record.

Bill K · #19 04-16-2019, 01:16 PM

Quote:

Originally Posted by Tim Anderson

Fastest bullet record is 4665, perhaps you should try out for the new world record.

Is that with the 22 Swift or with a 20 swift ? Could make a difference. Bill K

Tim Anderson · #20 04-16-2019, 09:01 PM

Yes it could. The thing is though those Chronies always throw out some off the wall numbers when you first turn them on or don't have them sitting right ect. That's why I asked to see a five shot string or is it just a one time deal which would make it Chrony error! LOL