6gt N140/ N150 starting point?

[briang7511]

looking for a starting point/data. using hornady brass and 105 and 109 bergers. Thank you in advance.

 

[SD Carpenter]

N140 ended up being too fast for me in alpha brass. Overpressured before speeds. But I walked it up from 30 to 32.

 

[Niles Coyote]

If it helps, N150 at 32.5g under a 109 hybrid was 2798fps and 33.5 was 2852. This is a 26" barrel with 2700 rounds on it and I'm jumping .090", hornady brass and cci 450 primers.

 

[briang7511]

definitely helps, thankyou! recently picked up both N140 and N150. not alot of data out there with these powders.

 

[John Glidewell]

Load data from Berger. N150, 109s, coal 2.58", 26" barrel 7.5 twist and cci 450 primer. Start 31.1 @ 2633 and max of 34.2 @ 2831.