ArmaLite AR-10:

• May 2, 2022: 70 rounds of Federal GMM 175GR Sierra Matchking
• May 8, 2022: 60 rounds of Federal GMM 175GR Sierra Matchking
• May 22, 2022: 60 rounds of Federal GMM 175GR Sierra Matchking

BCM AR-15

• May 8, 2022: 90 rounds of M855 62GR (green tip)