Everything you need to convert your existing upper to a dedicated .22LR. Just purchase a magazine and you are ready to go. For best performance use a round style hammer as notched hammers can cause function issues and 36 grain plated nose bullets have proven to be the best choice for function.
Specifications:

Caliber or Gauge
Length	4.50"
Model	Replacement Barrel
Twist	1:16"
Sights
Bore Type
Finish	Salt Bath Nitride
Type
Chokes Included
Choke Configuration
Barrel Type
Ammo Type
Barrel Features