CMMG Barrel, 5.7x28mm, 10.4" Barrel, 1:9 Twist, Fits PS90, Black 57DF1C7
Specifications:

Caliber or Gauge	5.7x28mm
Length	10.40"
Model	PS90 SBR
Twist	1:9"
Sights	None
Bore Type
Finish	Black Phosphate
Type	Rifle
Chokes Included
Choke Configuration
Barrel Type	Pistol Length
Ammo Type
Barrel Features	M12x1.0 LH