CMMG’s 5.7x28mm, 40rd 5.7 AR Conversion Magazine fits in any standard AR15 lower receiver. To use, simply attach a CMMG 5.7x28mm Radial Delayed Blowback complete upper receiver to an existing AR15 lower. Then, insert CMMGs 5.7 AR Conversion Magazine to safely feed 5.7x28mm ammunition. CMMG recommends using a standard carbine buffer and action spring to reliably cycle the action in this configuration. The 5.7 AR Conversion Magazine also retains last round bolt hold-open functionality, allowing for faster reloads. Sold in a pack of 3.
| Manufacturer | CMMG |
| Pricing Unit | EA |
| Model | 5.7 AR Conversion Mag |
| UPC | 816422028979 |
| SKU | 122739 |
| Width | 8.2000 |
| Length | 10.5000 |
| Height | 2.5000 |
| Weight | 1.6650 |
