The SLR Rifleworks Gen 3 PMAG 30 AR/M4 Mag Extension adds 5 rounds to the Magpul Gen 3 PMAG. Featuring easy installation,  hard coat anodized 7075 aluminum and a dot matrix marking solution, the Gen 3 PMAG mag extension is a hard use +5 for your primary.

Note:  Do NOT use the plastic spring bottom on Gen 3 mags when installing this extension.

For Gen 3 PMAG AR/M4 Magazines only. For the Gen 2 PMAG 30 AR/M4 Magazine Extension see here.