Articles by John McCoy

Recent comments

• The Complete Guide to Side Charging AR-15 & AR-10s
  Has anyone put a Lantac Side Charging BCG in the BCA side charging upper? looks like it will fit but I'm hesitant because I can't confirm with anyone who's done it (seen pictures only). PLEASE ADVISE. Thanks!
  Justin

  June 24, 2021
• 350 Legend vs. 300 Blackout: Which is Better for You?
  This is old but may help others. I was having the same feeding issue. With a 10inch AR pistol. First off the white box target rounds are loaded light. Not enough powder. Second I tore down my BCG and noticed my gas rings were not indexed properly. The gaps all lined up. I fixed the gas rings,...
  Eric Cook

  February 14, 2022
• 8.6 Blackout Complete Guide
  So I see (7.5 and 10) inch long uppers and AR10 lowers, but no complete pistols or SBRs with those lengths of uppers. Why? If I buy the upper and lower, do I just need to clear the SBR tax stamp with the FFL before picking it up?
  Terry Koenn

  May 3, 2024
• Size Matters: A Look at 17 HMR and 22 Magnum Ballistics and Use Cases
  Hi BCA. Looking for a forum to ask about the development of a 5.7x28 upper (hopefully bufferless ????) I am crazy about my 17HMR upper and would love to take advantage of the 5.7 cartridge. When are you going to make one, either pistol- or rifle-length? There is one available through CMMG but it's...
  Dave Babb

  November 13, 2023
• Why Buy a Long Barrel AR?
  Excellent article. Thanks for writing.
  James

  March 12, 2024