Glock Magazine With Extension for Glock Model 43 9mm 6 Round – GL4306E

This Glock Magazine With Extension for the Glock Model 43 in 9mm holds 6 rounds and turns a very small pistol into a noticeably more shootable one. The extension adds finger purchase without changing capacity beyond the six round count, and on a subcompact that trade is one of the best available. A better grip on a small gun is worth more than almost any other accessory.

Glock factory magazines are the standard against which every aftermarket alternative is measured, and for a carry gun that matters.

What This Glock Magazine With Extension Changes

The Glock 43 is a single stack 9mm designed to be as small and as concealable as possible, and that design necessarily leaves the grip short. Many shooters find their pinky finger dangling below the frame with a flush magazine, which costs control under recoil.

A Glock magazine with extension solves that directly. The extended floorplate gives the pinky a place to land, which completes the shooting grip and lets you manage recoil with three fingers instead of two. Split times tighten, the sights track better, and the pistol simply feels like a real gun rather than a compromise.

Key Features

• 6 round capacity in 9mm for the Glock Model 43
• Factory Glock manufacture for reliable fit and feeding
• Extended floorplate that provides full pinky finger purchase
• Improved recoil control and faster follow-up shots
• Direct fit with no gunsmithing, fitting, or modification required
• Serves equally well as a spare carry magazine or a range magazine

Fit, Function, and Concealment in Detail

Magazines are the single most common source of malfunctions in any semi-automatic pistol, which is why factory manufacture is worth paying for on a defensive gun. Feed lip geometry, spring rate, and follower shape are tuned to that specific pistol, and small deviations produce failures that are maddening to diagnose.

The extension does add a small amount of length below the grip, and that is worth thinking through for concealment. In practice, the grip is the hardest part of a pistol to conceal because it is the widest and the part that prints against clothing, so a modest length increase usually costs less concealment than people expect.

Many carriers settle on a sensible compromise: run a flush magazine in the gun for maximum concealment and carry the Glock magazine with extension as the spare, where the added grip helps most during a reload under pressure.

Practical Use, Care, and Rotation

Test any new magazine before you trust it for carry. Load it fully, shoot at least a couple of hundred rounds through it, and only then put it into the carry rotation. This is basic diligence with any feeding device, factory or not.

Keep them clean and dry inside. Disassemble occasionally, wipe out the body, brush the spring and follower, and leave the interior free of oil. Lint and pocket debris accumulate in carry magazines faster than most people realize, particularly on a magazine that rides in a pocket rather than a dedicated pouch.

Own more than two. Magazines are consumable parts with a service life, and having a rotation lets you retire one at the first sign of a damaged feed lip or a weak spring instead of nursing a questionable magazine because it is the only spare you have.

Practice reloads with the extension in place. The extra length gives your support hand a slightly different index point when seating the magazine, and a few dozen repetitions is all it takes to make that motion consistent.

Rotate carry ammunition rather than repeatedly chambering the same round, since repeated chambering can set the bullet back into the case. Browse our parts and upgrades collection for magazine pouches, loaders, and additional spares.

Small pistols reward small improvements more than large ones do, and this is the cheapest way to make a Glock 43 shoot like a bigger gun. Ships direct to your door, no FFL required.