Spikes Tactical Jack Billet AR-15 Lower, .223/5.56

The Jack is offered through Spike’s Tactical, features include:•An oversized integral trigger guard•A beveled magazine flare that helps you load as quickly and efficiently as possible•Machined top to bottom from 7075-T6 aluminum, a peak-strength corrosion-resistant aluminum alloy•A hard coat anodize finish per MIL-A-8625, the anodizing model for model for most military and aerospace products•Full compatibility with all mil-spec internal parts•Full compatibility with all other aftermarket mil-spec upper receivers•Full compatibility with GI standard issue magazines as well as PMags•Multi caliber markCategory : LowersType : Lower ReceiverGun Model : AR-15Gun Type : AR PlatformCaliber : Multi-CaliberMaterial : 7075 T6 AluminumFinish : Black Hardcoat AnodizedTrigger : None