SKU BPAA1045LRBA Category Tag

Angstadt Arms 1045 Lower .45 ACP/10mm Auto Black

1045 GLOCK 45ACP/10MM Lower Receiver


Out of stock

The Angstadt Arms 1045 lower receiver set is the foundation of a quality pistol caliber AR-15. Machined from a solid block of 7075-T6 billet aluminum the 1045 lower receiver is compatible with 45ACP and 10mm GLOCK magazines. Featuring standard AR-15 controls and accepting most aftermarket Mil-Spec components the 1045 is instantly familiar to anyone experienced with the AR-15/M4 platform. To aid in reloads the receiver features a flared magazine well and last round bolt hold open design which locks the bolt open on an empty magazine. The lower receiver can be completed with standard mil-spec components.


  • Accepts 45ACP and 10mm GLOCK Magazines
  • Last Round Bolt Hold Open
  • Flared Magwell for Faster Reloads
  • Integrated Oversized Trigger Guard
Weight 1.1 lbs
Dimensions 11.25 × 7 × 2.15 in