300 backout

I've had this optic for a year or so and had it mounted on a 300 upper, and took it to the range a couple times. Still in like new condition, comes with 1913 med height rings and flip covers. 1.25-4x24mm FFP, illuminated reticle in red/green/blue. 175 shipped.

Looking for solid loads for 300 blackout. Would like both and accuracy load and an all around load... Bullet, powder, OAL, possible results? Thx guys! Bobby Not sure if this should be in The reloading area...?

I started this little project about a year ago... picking up parts here and there as I could. I own several 223 rifles in every configuration... I did not have a pistol or 300 black out though. So, I killed two birds with one stone! Just finished her up tonight, so I hope to go tune her and...