Roller Locking vs Delay: BotR Addendum To Ian's Forgotten Weapons Videos On The Topic
12:17
Ask Ian: What is Headspace? (And Why It Matters)
23:15
Experiments in Magnetically-Delayed Blowback
9:32
Ross Rudd's Prototype Delayed Blowback AR180
12:16
The Truth About Keeping Ammunition In Switzerland
2:52
How Does it Work: Operating vs Locking Systems
7:21
Heym SR30: Straight Pull Ball-Bearing Lock?
23:00
L2A3 SMG / Sterling Mk.4: Mechanics And Basic Potted History
13:24