NoName47
Member
- Joined
- Mar 1, 2019
- Messages
- 58
I am new to 300 blk. Just built a 9in pistol with ballistic advantage premium series barrel. I am using converted LC brass with a cci 400 primer and 15.0 grains of h110. Hornady 150gr fmj loaded to 2.090in. Major pressure signs, flat primers and ejector marks. Tried 2 different bolts and same results. Hornady book max is 15.7gr and hornady book is known to be conservative. Any ideas or advice is much appreciated.