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Sig Sauer P365 380 Rainbow .380 ACP 3.1" Bbl Pistol w/(2) 10rd Mags & Rainbow Titanium Slide 365-380-RBT-MS

SKU 365-380-RBT-MS-Sig

Sig P320 & P365 Pistol Promo

March 3rd through June 30th, 2023, receive $60 in Sig Sauer Webstore Credit when you purchase any new P320 or P365 and (2) boxes of Sig Sauer Ammo.
March 3rd through June 30th, 2023, receive $25 in Sig Sauer Webstore Credit when you purchase any new P320 or P365 and (1) box of Sig Sauer Ammo.

Click Here for terms and redemption.

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FFL Restrictions
FFL Requirements
This item can only be shipped to a Licensed Federal Firearms Dealer. Please see our Shipping Policy to review firearms shipping requirements.
Export Restrictions
No Exports
Due to government regulations and/or manufacturer stipulations we are unable to export this item outside of the United States. Please see our Export Policy.


The P365 is one of Sig Sauer’s best-selling pistols, and now it’s being offered in a new chambering AND a new finish – the soft shooting, low recoil 380 Auto! and Rainbow Titanium This ultra-compact handgun is perfect for individuals with smaller hands, or those who are sensitive to recoil. The Rainbow Titanium slide finish on the other hand not only gives the pistol a distinctive appearance, it also provides enhanced protection from weathering and corrosion. The P365-380’s lower half is virtually identical to the standard 9mm version, featuring the same grip module and fire control unit. These similarities gives the P365-380 the same feel, the same controls, and the same trigger pull as the 9mm version, as well as compatibility with standard P365 holsters. This also allows standard P365 accessories to be installed such as flat triggers, FOXTROT lights, and XSeries grip modules. The upper half of the P365-380 differs slightly from the standard P365 with a lighter recoil spring to accommodate the smaller 380-auto cartridge, an added benefit of this is the slide is easier to manipulate.

In addition to a new chambering, the P365-380 is equipped with some serious upgrade over the original. The slide has been milled to accept micro red-dot sights, and is compatible with Sig’s ROMEOZero Elite. The rear sights are separate from the optics-plate, and are mounted via dovetail (as is the front sight). This allows the user to install suppressor height sights for co-witnessing with a mounted red dot. The factory sights on the P365-380 are SIGLITE night sights for enhanced accuracy in low-light conditions.

Features of the P365-380:

  • Optics cut slide
  • SIGLITE night sights
  • Modular polymer grip
  • Manual safety


  • Item ConditionNew
  • Caliber:.380 ACP
  • Weight:15.7 ounces
  • Action:Striker-Fired Semiautomatic
  • Safety:Manual Safety
  • Sights:XRAY3 Day/Night Sights
  • Magazines Included:2
  • Magazine Capacity:10 rounds
  • Grips:Modular Polymer Grip
  • Barrel Length:3.1 inches
  • Slide Finish:Rainbow Titanium
  • Frame Finish:Black
  • Caliber or Gauge:.380 ACP
  • Pistol Night Sights:Yes
  • Optics Ready:Yes
  • Product TypeHandguns
  • UPC798681671618
  • MPN365-380-RBT-MS

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