The SLR Rifleworks PMAG 17 Mag Extension adds 5 rounds to the Magpul PMAG 17 17rd mag. Featuring easy installation,  hard coat anodized 6061 T6 aluminum and a dot matrix marking solution, the PMAG 17 mag extension plusses up the capacity to 22 rounds.

• For Magpul / PMAG 17 Mag Extension
• Now with Dot matrix
• 12.5 COIL EXTENDED SPRING REQUIRED TO USE THIS EXTENSION
• +5 Capacity with 9mm
• Black Anodized 6061 T6 Aluminum
• Simple, secure installation in seconds

Note: Requires the SLR Rifleworks G17 Extended Mag Spring. Does not use the OEM plastic retainer plate.