This Shield Arms magazine extension is designed to add capacity to compatible Magpul PMAG Gen 3 magazines by replacing the factory base plate with a durable, lightweight aluminum +5 floorplate. Machined from billet 6061 aluminum and finished in black type 2 anodizing, it is intended for AR-15 pattern rifles using Magpul PMAG Gen 3 5.56x45 NATO/.223 Rem magazines. The extension uses the original magazine spring and incorporates index cuts and an easy-access floor plate to support handling and routine magazine maintenance.
- Adds five rounds to Magpul PMAG Gen 3 magazines
- Billet 6061 aluminum with black type 2 anodizing
- Easy-access floor plate with index cuts for handling
This Shield Arms PMAG Gen 3 +5 extension offers a compact way to increase on-board ammunition in existing compatible magazines without changing their overall form factor. It is suited to users who want added capacity while retaining their preferred Magpul PMAG Gen 3 magazines.