10,000 Rounds - BCM Accuracy Test
This video details a 10,000-round durability test on a BCM AR-15 upper receiver, focusing on bore condition and accuracy. The instructor uses a bore scope to examine wear, particularly at the gas port and in the lands and grooves, comparing it to a new barrel. Accuracy testing with match ammunition reveals the rifle's performance after extensive use, demonstrating its continued capability despite visible wear.







