Видео с ютуба Roller Delayed

How Does It Work: Roller Delayed Blowback

How Does It Work: Roller Delayed Blowback

Bearing Delay Firing Animation

Roller Delayed Blowback animation

How Does It Work: Roller Locking

How Does It Work: Roller Locking

Блокировка роликов против задержки: дополнение BotR к видеороликам Яна «Забытое оружие» по теме

The best PCC Operating Systems: Blowback, roller-delayed, gas, radial delayed.

Почему роликовые пистолеты с замедленным затвором надежны?

DUAL submachine guns: Roller Delayed HK MP5 vs Simple Blowback HK UMP Animation!

CETME LC: Last of the Roller-Delayed Carbines

Traditional Blowback vs Roller Delayed: What's Faster?

Оружие с задержкой выстрела: лучше или хуже? Совместный проект: AK4D, HK93, MP5 против SCAR, URGI...

Roller-Delayed #ar15 #fullauto Shoots FLAT!

HK Director of Training Bob Schultz Unpacks The Roller Delayed Blowback System

The NEW Roller-Delayed KUNA PCC 9mm

Blocky (Roller) Delayed Blowback

How Does it Work: Gas-Delayed Blowback

ACTION RIFLES: HK 33 ROLLER DELAY vs FN CAL GAS PISTON

Add Roller-Delay to Any AR-9 - Too Good To Be True??