Shield Arms Glock 17/22 Compatible +5/4 Mag Extension

UPC:
853465008117
$43.82
Current Stock:

These are meant to work with the OEM Glock magazines. Also, these should work just fine with any flared magazine well that also accept the standard magazines from Glock. Of course, make sure that any modifications you do to magazines are in line with any local and state laws. The Shield Arms Glock 17/22 +5/4 Mag Extension are a relatively affordable way to add extra capacity to your Glock Pistols

Features:
Adds 4 Rounds to Glock 17 in 9mm
Adds 5 rounds to Glock 22 in .40 Smith and Wesson
Made in USA
Aluminum construction
Spring Included