PLEASE NOTE: This item requires an extended processing time of 10 days.
This popular complete upper features a light weight, chrome lined 16″ barrel in a M4 “cutout” profile, designed to mount the M203 Grenade Launcher.
- Bushmaster M4A3 Complete Upper Assembly 91822
- 5.56 NATO caliber (accepts .223 Remington)
- 16″ M4 chrome lined barrel
- 1:9″ twist
- A2 style flash hider
- Flat Top receiver
- Removable carry handle
- Two Piece plastic handguards
- Direct gas impingement system
- Carbine length Handguards
- 7075 T6 aircraft grade aluminum
- Manganese phosphate coated
- Hard anodized mil-spec finish
- Black
