300 blk

GA Firing Line
  1. sinwagon71

    300 AAC Blackout to factory crimp or not

    All I am new to the 300 Blackout reloading and when seating 110gr FB bullets to an OAL of 2.1 seems there is just not much bullet for the case to purchase cases are trimmed to 1.35 to 1.36. Is anyone loading these using a factory crimp die to tighten them up a bit. So far all have shot fine but...
  2. Red Dawn

    AAC T9s and 300 BLK

    Ok my AAC Tirant 9s is close to being approved I hope at 5 months on the 29th give or take. So here's my setback I'm gonna use this on my pistol however I'd like to mount this on a 300 BLK AR and shoot subsonics but there's no adapter. I talked to AAC they said try QRF and they said get the 300...