51:25

HISTORY OF THE M4 - PART 2

45:58

The History of the Colt External Piston System

1:02:42

The Eugene Stoner Tapes - Part 1: Designing the AR-15

1:03:37

Larry Vickers Podcast Ep. 3: HK416 Presented by Firearms Trainers Association

32:54

Retired Green Beret judges' viewers rifles.