Caliber Comparisons

Recent comments

• .277 Sig Fury (6.8x51): Ballistics, Vs. 5.56 and .308, and The Future
  Umm 308-277 does not equal .239. Maybe not let ai write the articles? By the way the difference is .031" difference. It's basically a 27-308 that's been wildcatted for years. The hybrid case has been done before. The pressure will definitely be hard on guns for the military ammo. They're...
  Robert Deaton

  May 13, 2022
• Everything You Need to Know About AR-10 Lowers
  I've been long awaiting the launch of this however I was hoping to have barebones stripped. I basically wasted $150 from Tennessee arms corporation. Their product is inferior to what you provide. It's something can get back with me on the lower out early appreciate it
  Daniel Brazelton

  September 5, 2023
• Left‑Side Charging Uppers — Bear Creek Arsenal Gets the Job Done
  Are these left side charge with right ejection or is also left side ejection?
  Dennis Martin

  October 2, 2025
• 300 Blackout: The Ultimate Guide [Ballistics, Comparisons, & More]
  How do I know which weight of buster to use when I change upper receivers?
  Amanda Jones

  August 9, 2021
• 300 Blackout: The Ultimate Guide [Ballistics, Comparisons, & More]
  With rassel gas system , do I need to change the weight of the buffer in my lower receiver?
  Amanda Jones

  August 9, 2021