Angstadt arms' 1045 lower receiver is machined from 7075-t6 billet aluminum with a matte black hard-coat anodized finish and works with any mil-spec upper receiver.It features a flared magwell, integrated, oversized trigger guard, and a last round bolt hold open.The 1045 lower receiver accepts glock magazines.The lower receiver set features a upper receiver with appropriately sized ejection port and no forward assist or dust cover.This model is for 45acp.

Type: Lower and Upper Receiver
Gun Model: AR-15
Gun Type: AR Platform
Caliber: 45 ACP
Material: 7075-T6 Aluminum
Finish: Black Hardcoat Anodized
Trigger: None