LE means Law Enforcement.

Dan, LE = Law Enforcement - QP = Qualified Professional which group under Buds First Responder program. Info and qualifications here : budsgunshop.com/qualified_professional_discounts.php ---------- Qualified Professional Firearms are no different than the non LE version Firearm but usually come with additional accessories like magazines and of course the discount. They are listed here : budsgunshop.com/search.php/type/Firearms/exclusive/qp/sort/best-selling

LE = Law enforcement this gun is sold through the sig Qualified professional program It is the same gun as the civilian model but is packaged for the QP details on the QP program here Many major manufacturers offer discounts to a large list of individuals they consider Qualified Professionals. Although commonly referred to as Law Enforcement, LE or Veterans Discounts, these discounts are actually also available to many other types of Qualified Professionals, including :
Active, Honorably Discharged or Retired Military personnel - all branches (veterans, including medical discharges/disabled)
National Guard personnel - all branches
Military Reserve personnel - all branches
CAP - Civil Air Patrol
Fire Fighters - including volunteers
Paramedics and EMTs
TSA Employees
Commercial Pilots
Federal Flight Deck Officers
Air Marshals
Court Judges
District and Deputy District Attorneys
All sworn or retired Law Enforcement Officers - city, county, state, and federal
All Corrections and Probation Officers
State Licensed Security Companies
State, Federal, and Private Security Guards
DOD Contractors budsgunshop.com/qualified_professional_discounts.php