Type: AR-15 Stripped Lower Receiver -- milled from 7075 T6 aircraft grade aluminum billets
Caliber: Multi (will accept any upper and/or caliber designed for the AR-15 platform)
Magazine: Accepts any standard MIL-SPEC AR-15 magazine
Weight: 10.4 oz
Other Specifications and Features of the C-4 Stripped AR-15 Lower Receiver:
Machined from 7075-T6 aircraft grade billet aluminum
Matte black hard-coat anodized per Mil 8625 Type 3 Class 2
Precision broached magazine well with beveled feed lips