GLOCK 27 Gen 4

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Model & version

GLOCK 27 Gen 4

GLOCK 27

GLOCK 27 Gen 3

GLOCK 27 Gen 5

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186 documented listings13 fit unconfirmedBrowse categories ↓

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What the compatibility labels mean

How we knowHow we check compatibility

Lab testedFit checked by Firearm Lab for the recorded setup.
Documented fitmentSupported by manufacturer, partner, or reviewed community evidence.
Interface matchMounting details match, but this exact model and part have not been confirmed to fit together.

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Model details

Manufacturer

GLOCK

Model & version

Glock 27 · Gen 4

Mounting details

Glock rear-sight dovetail (standard and Slimline slides)

Compatibility records

199

Sights

102 listed

Triggers & internals

Triggers

54 listed

View all 54 parts

Recoil Springs

3 listed

View all 3 parts

Barrels & comps

Barrels

7 listed

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Compensators

3 listed

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Also on this pistol

Holsters

9 makers

Alien Gear Holsterschecked 2026-11-01
Blackhawkchecked 2026-11-01
Concealment Expresschecked 2026-11-01
CrossBreed Holsterschecked 2026-11-01
DeSantis Gunhidechecked 2026-11-01
Galcochecked 2026-11-01
Safarilandchecked 2026-11-01
Vedder Holsterschecked 2026-11-01
We The People Holsterschecked 2026-11-01

Check each manufacturer’s options for your model, light and optic.

Holster makers (9)

Optics & footprint adapters

Optic Plates

6 listed

View all 6 parts

Lights & rail fitment

Lights & Lasers

6 listed

View all 6 parts

Grip & magwells

Extended Magazine Releases

2 listed

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Base Pads

2 listed

View all 2 parts

Magazines

1 listed

Advantage Arms
26/27 Magazine
Manufacturer documented

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Slides

3 listed

View all 3 parts

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Categories with no listings (6)

About the GLOCK 27 Gen 4

Manufacturer listing ↗ · Checked 2026-08-02

Type: Pistol
Manufacturer: GLOCK
Model & version: Glock 27 · Gen 4
Caliber: 40 S&W
Mounting details: Glock rear-sight dovetail (standard and Slimline slides)
Width: 1.26"
Height: 4.17"
Weight: 19.4 oz
Slide width: 1"
Slide length: 6.26"
Barrel length: 3.43"
Overall length: 6.42"

Other versions of the Glock 27

Compare versions and check the details for your exact model.

GLOCK 27Same recorded mounting details. Check each part for additional requirements.
GLOCK 27 Gen 3Same recorded mounting details. Check each part for additional requirements.
GLOCK 27 Gen 5Same recorded mounting details. Check each part for additional requirements.

Sights

Glock Front Sight, Extra Tall for Optic/Suppressor

CAP Sight Set for Glock Gen 1-4 9mm/.40/.380, Gen 5 10mm/.45

Sight for Glock, Black Front,

Polymer Adjustable Sights

Triggers

Glock DROP-IN TRIGGERS

3.5 Trigger Kit Gen 1-6

Performance Trigger

Trigger Black Shoe Black Safety Gen1 - 4

Recoil Springs

DPM "SOFT CAPTURED" RECOIL SYSTEM for Glock MODELS: 26 & 27 Gens 1-5

DPM Recoil System for Glock Models: 26-27-28-33-39 Gens 1-5 - Slide Extended System

DPM Telescopic Recoil System for Glock models: 26-27-28-33-39 Gens 1-5

Barrels

27 Match .357Sig 3.43"OAL (Fits Glock 27 Gen1-4)

27 Match 40S&W 3.43"OAL (Fits Glock G27 Gen1-4)

27 Match 40S&W with 9/16×24 Suppressor Threads 4.01"OAL (Fits Glock 27 Gen1-4)

27 Match 40S&W with 9/16×32 Threads 4.01"OAL (Fits Glock 27 Gen1-4)

Compensators

27 Match 357Sig Barrel with 9/16×32 Thread 4-Port Compensator (Fits Glock 27 Gen1-4)

27 Match 40S&W Barrel with 9/16×32 Thread 4-Port Compensator (Fits Glock 27 Gen1-4)

27 Match 9MM Barrel with 9/16×32 Thread 4-Port Compensator (Fits Glock 27 Gen 1-4)

Holsters

Optic Plates

ACRO Rear Sight Adapter Plate for GLOCK

Fits GLOCK Rear Dovetail Adapter Holosun 407K / 507K / C&H EDC / EDC Enclosed / Olight Osight S STEEL

Red Dot Mount – MRA for Glock

Fits GLOCK Rear Dovetail Adapter Holosun 509T STEEL

Lights & Lasers

LL-810 Laserguard Pro for GLOCK Subcompact

TLR-6 (Glock 26/27/33) with red laser

LTG-777 Lightguard for Glock 26/27/33

TLR-6 (Glock 26/27/33) without laser

Extended Magazine Releases

NDZ Glock Gen 4-5 Hybrid Magazine Release

NDZ Glock Gen 4-5 Magazine Release, 9MM .40 cal

Base Pads

PRO Series Base Pad for Glock 9/40

NDZ Glock 26 27 33 39 Magazine Floor Plate with Finger Extension

Magazines

26/27 Magazine

Slides

22LR Conversion Kit — 26-27 G1-5 MOD

22LR Conversion Kit — 26-27 G1/5 MOD-CA

22LR Conversion Kit — LE26-27

About the GLOCK 27 Gen 4

Other versions of the Glock 27