Sig Sauer 8900141 Black Nitron 9mm 3.9" X-series Optic Ready P320 Slide Assembly

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Sig Sauer 8900141 Black Nitron 9mm 3.9" X-series Optic Ready P320 Slide Assembly 

This factory replacement, optic ready, P320 X-series Stainless Steel slide assembly fits Carry and Compact size (X-series & non-X-Series) grip modules and accommodates a 3.9” barrel.


  • Cut for the Romeo1Pro covered by removable sight plate
  • Equipped with standard height, X-ray night sights
  • Accommodates optics with the Deltapoint pro footprint
  • Barrel Compatibility: 9mm
  • Finish: Black
  • Model: P320

*Only for use on 9mm/ .357SIG / .40S&W firing control units (FCU). It will not function with a .45 ACP FCU.

Please Note:

The following states have restrictions on "high capacity" magazines:

  • 10 Round- CA, MA, MD, NY, HI
  • 15 Round- NJ
  • We cannot ship to these states unless purchased by a Law Enforcement Agency

Firearm sales are permitted to the following individuals with valid credentials:

  • Sworn Law Enforcement officers, including Federal, State, County, & City (Includes retired L.E. officers with "retired" credentials)
  • EMT's, Fire Fighters, Volunteer Fire Fighters, and Paramedics
  • Military personnel including Reservists and National Guard with I.D. (Includes retired Military with "retired" credentials)
  • Military veterans medically and honorably discharged with retired ID or DD-214
  • Corrections Officers, including Parole and Probation Officers
  • State Licensed Security Companies (Loomis, RAM, etc.) also includes State Licensed Armed Security Officers
  • Court Judges, District Attorneys and Deputy District Attorneys with Powers of Arrest
  • LE Academy Cadets with enrollment documentation from the Academy