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Sig Sauer P365 .380 ACP 10-Round Finger Extension Magazine

UPC: 798681655717

$46.99

570 in stock

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Description

This is the extended finger grip version of the P365-380 magazine that comes factory with Sig Sauer's softer-shooting .380 ACP micro-compact. The finger extension gives you better hand purchase without making the gun any harder to conceal compared to the flush-fit version, which matters when you're dealing with a frame this small.

Built for the P365-380 Platform

The magazine features a nitride-coated steel body paired with a high-tensile steel spring and heat-treated polymer follower. This combination delivers smooth, reliable feeding that won't let you down during practice or when you need it. The extended floorplate has aggressive stippling to keep your grip solid even with sweaty or wet hands. Like all P365-380 magazines, this one uses Sig's proven staggered geometry to pack 10 rounds into a compact footprint that actually fits the micro-compact frame.

Real-World Features That Work

You get factory-drilled witness holes on the side so you can visually count your remaining rounds without removing the magazine. The removable floorplate makes cleaning and maintenance quick and straightforward. The finger extension design bridges the gap between full concealability and proper hand positioning, a genuine advantage when you're running a 10-round magazine on a gun this compact. It seats easily in the pistol and feeds flawlessly whether you're at the range or carrying it as a backup magazine.

Compatibility and Compatibility Notes

This magazine is built specifically for the P365-380. It will not work with P365X or P365-XL models, and it's not compatible with the 9mm P365 variants. If you own the .380 version, this is factory equipment that matches the ballistics and recoil profile of your pistol perfectly.

Key Specifications

  • Manufacturer: SIG SAUER
  • Manufacturer Part Number: 8900715
  • UPC: 798681655717
  • Caliber: .380 ACP
  • Capacity: 10 rounds
  • Material: Steel
  • Finish: Nitride-coated
  • Baseplate Type: Finger extension
  • Baseplate Material: Polymer
  • Spring Type: High-tensile steel
  • Follower: Heat-treated polymer
  • Witness Holes: Yes, factory-drilled and numbered
  • Floorplate: Removable
  • Overall Length: 8.4 inches
  • Compatible Pistols: Sig Sauer P365-380 only

What’s Included

  • 1x Sig Sauer P365-380 10-round magazine with finger extension baseplate

Frequently Asked Questions

Will this P365-380 magazine work with my 9mm P365?

No. This magazine is designed specifically for the P365-380 and will not function with the 9mm P365, P365X, or P365-XL models. Each platform uses different magazine dimensions and springs tuned to their respective cartridges.

What's the difference between the finger extension and flush-fit magazines?

The finger extension baseplate provides extra grip real estate so more of your hand contacts the frame, which helps with control on a micro-compact grip. The flush-fit version sits flush with the frame for maximum concealability. Both hold 10 rounds and feed identically.

Can I use this as a backup magazine with a 12-round P365-380 magazine?

Yes. This 10-round magazine pairs well with Sig's factory 12-round extended magazines. Many people carry one of each to balance capacity and concealability, or use the 10-round as a dedicated backup since it maintains the compact profile.

Are the witness holes reliable for checking how many rounds I have?

Absolutely. The factory-drilled and numbered witness holes let you see exactly how many rounds remain without dropping the magazine. This is especially useful during extended range sessions or if you need to verify your carry load.

Additional information

UPC

798681655717

Manufacturer

Manufacturer Part Number

8900715

Caliber/Gauge

.380 ACP

Capacity

10

Color

Black

Length

8.4

Model

Package Height

1.9

Package Width

4.2

Product Type

Accessory-Magazines

Quantity

1

Shipping Weight

0.25

Units per Box

1

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