The Angstadt Arms AR-15 Bolt Carrier Assembly .40 S&W is a dedicated pistol-caliber bolt carrier group built for shooters who want reliable performance from their .40 S&W AR platform. Machined from strong 8620 alloy steel and treated with a QPQ black nitride finish, this carrier is designed to deliver smooth cycling and long-term durability in demanding range use.

This model is compatible with Glock-pattern .40 S&W magazines and works with a standard AR-15 hammer, simplifying builds and upgrades. A removable weight allows use with a Law Tactical folding stock adapter, giving builders more flexibility in configuring compact carbines or pistols. Whether you are assembling a new PCC or refreshing a well-used setup, this carrier group reflects Angstadt Arms’ focus on precise machining and thoughtful engineering.

Key Features:

• Manufacturer: Angstadt Arms
• Model: AR-15 Bolt Carrier Assembly .40 S&W (AA40BCGNIT)
• Caliber: .40 S&W
• Material: 8620 Alloy Steel
• Finish Color: QPQ Black Nitride
• Compatible Magazines: Glock .40 S&W
• Hammer Compatibility: Standard AR-15 Hammer
• Special Features: Removable Weight For Use With Law Tactical Folding Stock Adapter