Description: Spike's Tactical "The Jack" AR-15 Billet Stripped Lower. Spike's Tactical is proud to release The Jack Billet Multiple Caliber Lower Receiver. Through the articulate work of Sharps Bros and and Spike's, they have developed one of the most detailed billet lowers ever created.

Features:
Oversized integral trigger guard.
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.
Hard coat anodized 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 markings.
Manufacturer: Spike's Tactical