Firearms

Bushmaster 450 Bushmaster 20-inch

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Specifications

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Notable Variants

Aftermarket Ecosystem

Historically Significant Examples

Serial Number Data

Production data from factory records and collector research. Year ranges are approximate for pre-1968 firearms.

Years	Serial Range	Count	Factory	Country	Confidence

AR-15 pattern rifle in the proprietary .450 Bushmaster cartridge, designed for maximum terminal energy at deer-hunting distances.

Type: Rifle

Action: Semi-Automatic

Caliber: .450 Bushmaster

Capacity: 5

Year introduced: 2008, USA

Weight: 76.8 oz

Overall length: 39.5"

Status: Discontinued

Intended use: Hunting