Easy, Budget 300 BLK: Subsonic + Supersonic with Berry's
This guide details an economical approach to reloading 300 Blackout ammunition for both subsonic and supersonic applications using a single powder, Hodgdon H110, and two different Berry's Manufacturing bullets (220-grain for subsonic, 150-grain spire point for supersonic). It emphasizes cost savings compared to factory ammunition and provides specific load data and considerations for velocity, cartridge overall length, and barrel twist rates. The instruction is presented by Gavin G. from Ultimate Reloader, highlighting practical reloading techniques for AR-15 platforms.













