Double Diamond Plus Extension and Magazine Combos

Extra Rounds / More Style!

We’ve added some design style to the new Plus Magazine Extensions by GS/Double Diamond. These attractive magazine extensions allow you to add extra rounds — up to 5 extra rounds — to your existing magazines. These combos come pre-installed with an extra power spring to feed the additional rounds consistently every time and are designed with a very innovative system to secure the base plate to the magazine body.

The magazine inserts are also designed for a universal fit allowing for custom color combinations, and increased style and functionality, available separately
here.

We encourage you to watch the video for a complete installation demonstration.

Available for the following models:

• G43X/48 – +4 9mm

• G43 – +2 9mm

• G17/22/31 – +5 9mm / +5 .40cal/.357

• G19/23/32 – +5 9mm / +4 .40cal/.357

• G26/27/33 – +5 9mm / +4 .40cal/.357

• Big Stick 9mm – +5 9mm

Please Note:
The Big Stick 9mm Option includes a
Glock Factory Big Stick 33rd 9mm Magazine
without the Factory +2 Extension, for a total capacity of 36 rounds.

Also Note:
These extensions will work with most aftermarket magwells. However, the retaining pin will need to be adjusted to prevent scratching/marring of your magwell.

Customize your look and style with our interchangeable magazine inserts, available separately
here
!

Extensions also available separately for full size, compact, and sub-compact models
here
!

Glock 43 extensions can be
found here!

G43X/48 extensions can be
found here!