Tag Archives: mgi buffer

MGI Hydra QCB Modular/Multi-Caliber AR Weapons System for SPECOPS

by David Crane david@defensereview.com Back in February (2006), DefenseReview briefly discussed the new and improved MGI QCB (Quick Change Barrel) Upper Receiver system and MGI D-Fender "D-Ring" in our article titled DefRev Quick Hits 3 from SHOT Show 2006: And the Hits Keep Comin’. We got to handle and examine both of these items, as well as MGI’s Modular Lower …

Read More »