Firearms

Angstadt Arms UDP-45 SBR .45 ACP 6-inch

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Specifications

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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

Angstadt Arms UDP-45 in SBR configuration with 6-inch barrel and collapsible stock. Requires NFA registration.

Type: SBR

Action: Semi-Auto

Caliber: .45 ACP

Capacity: 13

Year introduced: 2020, USA

Weight: 60 oz

Overall length: 18"

Status: Active

Intended use: Personal defense / collection