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SPIKE'S The Jack™ Stripped Lower - STLB520

Spike's Tactical is proud to release The Jack™ lower# Through the articulate work of Sharps Bros# we have developed the most detailed billet lower ever created#
NOTE: Check your state & local laws before ordering to ensure that no modifications are required. Compliance options are available under Services & Tools.

NOTE: FFL required for shipment. You must note which FFL will be receiving this item in the Comment box during checkout. Failure to do so will delay your order processing and shipping. If your FFL is not already on file, have them fax a signed copy of their license to 888-526-5654 and include your name and order number on the cover sheet.
  • 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 mark
Spike's Tactical, STLB520, The Jack, Semi-automatic, Lower, 223 Rem/556NATO, Black Finish, CNC Machined from a 7075 Billet Aluminum
Product Specifications
  • 855319005570
  • Spike's Tactical
  • STLB520
  • The Jack
  • Semi-automatic
  • Stripped Lower
  • 223 Rem
  • 556NATO
  • N/A
  • Black
  • N/A
  • CNC Machined from a 7075 Billet Aluminum
  • STLB520
  • Model: STLB520
  • Manufacturer: Spikes Tactical