Attributes:
- BARREL FINISH: Black Nitride
- BARREL LENGTH: 16"
- BARREL LENGTH RANGE: 16" to 16.99"
- CALIBER/GAUGE: 450 Bushmaster
- DETAILED DESCRIPTION: ATI 15MS450BM 450BM 16 15MLOK UPPER 5/8X32 5RD
- HANDGUARDS: 15" M-LOK
- MANUFACTURER: ATI
- MANUFACTURER ITEM #: ATI15MS450BM
- MODEL: MilSport
- RECEIVER FINISH: Black Anodized
- SERIES: Upper Complete
- TWIST: 1:24"
- TYPE: Complete
- UPC: 819644020288