This is an older box stock series 1 Vanguard bought at Walmart. It shot 208gr ELDM ok, but didn't really shoot 210gr Bergers well. I lucked into a bunch of Berger 168gr TTSX for cheap so I decided to try those in the 300 Bee. I would say this is acceptable from a box stock rifle with a trigger that has a bunch of creep.
This is basic Remington brass and IMR7828.