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The subject of this article appears in Call of Duty: Black Ops Cold War The subject of this article appeared in Zombies mode
"Extended chrome lined barrel. Button rifled to improve bullet velocity."
Gunsmith description

The Chrome Lined barrel is a barrel attachment type new to Call of Duty: Black Ops Cold War available exclusively for Pistols. It gives increases bullet velocity at the cost of reduced aiming movement speed.

Effects

Weapon Length Unlock Level Stats
1911 7.12" + 100% Bullet Velocity
- 25% Aim Walking Movement Speed
Magnum 7.5" + 100% Bullet Velocity
- 25% Aim Walking Movement Speed
Diamatti 7.8" + 100% Bullet Velocity
- 25% Aim Walking Movement Speed