SIG Sauer P365

The SIG Sauer P365 High-Capacity Micro-Compact is a polymer frame striker-fired semi-automatic pistol manufactured by SIG Sauer and intended for everyday carry.[1] It is chambered in 9×19mm Parabellum and is rated for +P (higher pressure) ammunition while utilizing offset double-stack magazines.[2] It is offered with Tritium XRAY3 Day/Night Sights and two 10-round magazines; one flush fit and the other with an extended finger tab. The P365, which replaced the P290RS, is produced in Newington, New Hampshire.[2]

SIG Sauer P365
P365 micro-compact handgun left side showing controls, rail, and extended tab 10-round magazine
TypeSemi-automatic pistol
Place of originUnited States
Production history
Designed2017
ManufacturerSIG Sauer, Newington, NH
Produced2018–present
VariantsP365 XL, P365 SAS
Specifications
Mass500 g (18 oz)
Length147 mm (5.8 in)
Barrel length78 mm (3.1 in)
Width26 mm (1.0 in)
Height109 mm (4.3 in)
Cartridge9×19mm Parabellum
ActionSIG Sauer System (short recoil locked breech)
Rate of fireSemi-automatic
Feed systemBox magazines:
  • 10-round (optional finger extension)
  • 12-round magazine with grip sleeve
  • 15-round magazine with grip sleeve
SightsTritium XRAY3 Day/Night Sights, Three Dot, Combat Sighted

Features

The P365 is a striker fired, short-recoil handgun with a stainless steel slide, treated with a black Nitron finish, and a polymer frame. The slide has serrations on both front and back for easy slide manipulation. The polymer grip accepts a double-stack 10-round, 12-round, or 15-round magazine. The magazine is released by a triangular button on the grip located at the undercut trigger guard section. Per SIG Sauer, the P365 has the lowest bore-axis ratio of any handgun currently made.[3]

Sights are green tritium three-dot night sights that are made of steel and are capable of being used to cycle the slide in the case of one handed use being necessary. Aiming is by combat sighting.[lower-alpha 1] A proprietary rail is located below the barrel.[1] Both red and green lasers and a light will be offered as accessory items for this proprietary rail.[5] Adapters to convert the propriety rail to a standard rail for use with standard rail accessories are also available.

Disassembly requires no tools and does not require that the trigger be pulled.[6] For Massachusetts Attorney General compliance requirements, a model with a manual safety and loaded chamber indicator is available. In May 2019, the P365-MS, a model with a manual safety, was made generally available.[7]

Comparisons

The grip encloses a stainless steel fire control unit (FCU) similar to that in the SIG Sauer P320.[1][8][9] Due to drop-safe issues with the P320 in 2017, the P365 was drop tested over 500 times using an enhanced testing protocol which dropped the pistol at different angles from varying heights to ensure that no such problem would occur.[1]

The striker firing system is nearly identical to that in the P320. The short recoil locking system is the SIG Sauer System created by SIG Sauer in 1975 for a Swiss Army contract by the then-existing Swiss Industrial Group (Schweizerische Industrie Gesellschaft, SIG). The SIG Sauer System improved upon the Petter-Browning system used in the French Modèle 1935A, which SIG had licensed from SACM in 1937 and used in the SIG P210 handgun design, but is not the same system, having been considerably improved upon.[10]

Compared to the SIG Sauer P290, the P365 is slightly larger and has a lighter striker trigger pull of 5.5 to 6.5 lbf (24 to 29 N) versus the P290 at 9 lbf (40 N).[1] The P290RS has a restrike capability, but also has a long double-action only trigger pull. The takedown system is similar to that of the P320, in that a lever is turned down with the slide locked back to release the slide from the frame.

A P365 with its optional 15 round magazine is 0.46" taller than a Glock 19 with its standard 15 round magazine.[11][12][13][14]

Variants
A P365 XL with manual safety and 12-round flush-fit magazine

P365 XL

In June 2019, the P365 XL was released.[15] It utilizes the same fire control unit (FCU) as the P365, while having a larger grip module that accepts 12-round flush magazines, a flat trigger, and a longer slide and barrel.[15] The rear sight on the P365 XL slide is removable, to allow a red dot sight to be attached.[15][16] The slides and frames of the variants are interchangeable; for example, the longer slide (and barrel) of a P365 XL can be used on a P365 frame and vice-versa.[16]

P365 SAS

In October 2019, a SIG Anti-Snag (SAS) version of the P365 was released.[17] It has a ported barrel and slide, no front sight, flush takedown and slide catch levers on the frame, and an embedded and flush fiber optic sight at the rear.[18] Other than a slight reduction in height, the SAS variant has the same dimensions and weight as the original P365.[19]

Specifications
Specification P365[20] P365 SAS[19] P365 XL[21]
Barrel Length3.1 in (78 mm)3.7 in (94 mm)
Overall Length5.8 in (147 mm)6.6 in (168 mm)
Overall Width1.0 in (26 mm)1.1 in (28 mm)
Height4.3 in (109 mm)4.1 in (104 mm)4.8 in (122 mm)
Weight17.8 oz (500 g)20.7 oz (588 g)
Capacity (flush-fit)10+1 rounds12+1 rounds

Notes
  1. "the front sight completely covers the bullseye of the target."[4]

References
  1. "Introducing the SIG SAUER P365". Soldier Systems Daily. Retrieved 8 January 2018.
  2. "P365". sigsauer.com. Retrieved March 8, 2020.
  3. Live broadcast from the 2018 SHOT Show
  4. "SIG SAUER FAQs". sigsauer.com. Retrieved September 2, 2019.
  5. "SIG Rolls Out LIMA365 Laser, FOXTROT365 Flashlight for P365". Personal Defense World. Retrieved 30 January 2018.
  6. "Breaking: The New SIG Sauer P365". Omaha Outdoors. Retrieved 8 January 2018.
  7. "SIG SAUER P365 with Manual Safety Now Shipping". sigsauer.com (Press release). May 29, 2019. Retrieved January 17, 2020.
  8. "New From SIG SAUER: P365 Micro-Compact Pistol [VIDEO]". The Truth About Guns. Retrieved 8 January 2018.
  9. "SIG Sauer Announces P365 Pistol". The American Rifleman. National Rifle Association. Retrieved 8 January 2018.
  10. "Evolution of the SIG P210". Firearms News. Issue 3 (February 2018). February 2018.
  11. "SIG Sauer releases 15-round mags for P365 models". MilitaryTimes. May 29, 2019.
  12. "Sig Sauer Announces 15 Round Mag for P365 Series Pistols". Guns.com. May 29, 2019.
  13. https://www.sigsauer.com/store/p365-micro-compact-15rd-9mm-magazine.html
  14. https://us.glock.com/en/pistols/g19
  15. Moss, Matthew (July 9, 2019). "NEW SIG SAUER P365 XL Now Shipping". thefirearmblog.com. Retrieved September 5, 2019.
  16. Wayner, Josh (July 5, 2019). "Gun Review: SIG SAUER P365XL 9mm Pistol (Plus New ROMEO Zero Red Dot)". thetruthaboutguns.com. Retrieved January 17, 2020.
  17. Eger, Chris (October 3, 2019). "SIG Sauer Announces New, Innovative P365 SAS Now Shipping". guns.com. Retrieved January 17, 2020.
  18. Rodgers, Seth (November 27, 2019). "The Sig P365 SAS – First 100 Rounds and Initial Thoughts". guns.com. Retrieved January 17, 2020.
  19. "P365 SAS". sigsauer.com. Retrieved January 17, 2020.
  20. "P365 NITRON MICRO-COMPACT". sigsauer.com. Retrieved September 5, 2019.
  21. "P365 XL". sigsauer.com. Retrieved September 5, 2019.
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