The Tyrant CNC magazine extension fits factory Glock 17, 19X, 22, 34, 35 and 45 magazines. It adds 6 rounds to a 9mm magazine and 5 rounds to a .40 S&W magazine, and it includes a new power spring to feed the extra rounds. It does not work with Magpul PMAGs or 10-round magazines.
The base pad is CNC machined from aerospace-grade aluminum and finished in gold. The aluminum adds weight at the bottom of the magazine, which helps it drop free cleanly on a reload, and the extended body gives your support hand more to grab on a magazine change.
Features:
Capacity note: on a standard 17-round Glock 17 magazine, the +6 extension brings capacity to 23 rounds. Check your state and local magazine-capacity laws before you order. After installing, load the magazine fully and function-check it in your pistol before you carry it.
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