Briley Benelli M4 12ga 8 Round Shotgun Magazine Black 1 Pack. It is extremely light with tough 17-4 stainless steel adapters on both the receiver and forend side of the shotgun. The magazine is available with regular stainless or black oxide stainless. Note: Fitting will require the removal of the original magazine. Magazines are screwed into the receiver using thread lockers which will require heat to break the bond. This process should be done by an experienced person so as to avoid damage to both parts and finish. Please note: This magazine is a direct replacement for Benelli M4 Shotguns. Non-Benelli copies of the M4 may not work with this magazine as the barrel lugs are located differently and require a different length magazine. Specifications for Briley Benelli M4 12ga 8 Round Shotgun Magazine: Manufacturer: Briley Finish: Carbon Fiber Fabric/Material: 6061 Aluminum Magazine Capacity: 8 Round Gauge: 12 Gun Make: Benelli Gun Model: Benelli M4 Package Contents: Briley Full Length Benelli M4 7+1 Rounds Shotgun Magazine What firearm models does the manufacturer say Briley Benelli M4 12ga 8 Round Shotgun Magazine is compatible with? The manufacturer suggests that Briley Benelli M4 12ga 8 Round Shotgun Magazine is compatible with Benelli M4Briley 95137: Benelli M4 12ga 8 Round Shotgun Magazine Black 1 Pack