FAB Defense AR-15/M4/M16 Quick Release Front Gun Grip Magazine Adapter Black FX-MG20B. Each of these AR 15 Parts developed by FAB Defense contain a quick-release attachment that allows for swift simple mounting and removal. This FAB Defense MG-20 Foregrip and Magazine Carrier is incredibly robust yet lightweight due to its fiberglass reinforced polymer construction. Pick up this versatile FAB Defense 5.56 Mag Carrier and Foregrip Combo to gain a stable grip and increase your ammo carrying capacity. Specifications for FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter: Manufacturer: FAB Defense Gun Model: M16 M4 AR-15 Fabric/Material: Metal Condition: New Weight: 0.174 lb 79 g Height: 3.23 in 82 mm Width: 33 mm 1.3 in Length: 90 mm 3.54 in Features of FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter: Fits all 1913 MIL-STD Picatinny rails Specific ergonomic operational design enhances tactical versatility Quick-release attachment allows easy mounting and removal Secure bolt locking system allows optional "permanent" mounting Durable & lightweight fiberglass reinforced polymer construction Package Contents: FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter What firearm models does the manufacturer say FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter is compatible with? The manufacturer suggests that FAB Defense AR-15 / M4 / M16 Quick Release Front Gun Grip Magazine Adapter is compatible with AR-15 M4 M16FAB Defense fx-mg20b: AR-15/M4/M16 Quick Release Front Gun Grip Magazine Adapter Black FX-MG20B