SIG P365 Fuse

Long-slide P365 with 4.3-inch barrel and full-length grip

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Key Highlights

•4.3-inch barrel
•Full-length P365 grip
•Compact optic cut

Specifications

Price: $780
Weight: 1 lb 7.100000000000001 oz
Calibers: 9mm
Rail Type: picatinny
Best For: concealed carry home defense range training

Capability Profile

0-10 Scale Across 8 Axes

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Where to Buy

Compare current prices and availability from retailers we work with.

RetailerPriceAvailabilityUpdatedShop

KYGUNCO

SIG SAUER P365 Fuse 9mm 4.3" 10rd - Black

$799.99

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3d ago

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Compatibility Tags

family: handgunframe: sig-p365interface: picatinny-pistol-slimoptic-mount: shieldp365-slide: 4.3p365-barrel: 4.3mag-type: sig-p365-17plus

Overview

The P365 Fuse stretches the platform to a 4.3-inch barrel and longer slide, delivering more velocity and a steadier sight picture while retaining the familiar P365 ergonomics. It's a carry-capable pistol that leans into shootability and performance.

Key Features

4.3-inch barrel for improved velocity
Compact optic cut compatible with slim red dots
Full-length grip for control and capacity
Integrated accessory rail
XRAY3 day/night sights standard

Pros

+More velocity and stability than shorter P365s
+Optic-ready with compact footprint
+Excellent for training and home defense
+Still slimmer than full-size pistols

Cons

−Longer slide reduces concealment ease
−Heavier than base P365
−Holster selection more specific

Detailed Specifications

caliber: 9mm
Barrel Length: 4.3 inches
Overall Length: 7.2 inches
height: 5.1 inches
width: 1.1 inches
weight: 23.1 oz (w/ mag)
capacity: 17+1 flush / 21+1 extended in unrestricted packages
trigger: Striker-fired, ~5.5 lb pull
barrel: Carbon steel, nitron finish
msrp: $779.99

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