Just swap this drop in conversion with the bolt carrier group from your 5.56/.223 chambered rifle and you will be ready to shoot .22LR. Ships with 25rd 22LR magazine. Compatible with left handed 5.56/.223 chambered upper receiver groups. Ships with a 10rd Mag.
- All Stainless Steel Construction
- 10rd Magazine
- Fits: Left hand eject 5.56/.223 chambered rifles or uppers. - Color: Gray