Leapers UTG Pro 870 Optic Mount 12 Gauge Scope Mount Black. 5" and Under Chamber Clearance 6061-T6 Matte Black Anodized Aluminum Removable 4-Capacity Shot Shell Carrier Scalloped Full Length Picatinny Top Rail Access to Bead Sight Left Intact No Permanent Modifcation Required Specifications for Leapers UTG 870 Optic Mount 12 Gauge: Manufacturer: UTG Pro Base/Mount Type: Scope Mount Color: Black Gun Model: Remington Model 870 12 Gauge Remington Model 870 Finish: Anodized Fabric/Material: 6061-T6 Aluminum Hand: Ambidextrous Condition: New Package Contents: Leapers UTG 870 Optic Mount 12 Gauge What firearm models does the manufacturer say Leapers UTG 870 Optic Mount 12 Gauge is compatible with? The manufacturer says that Leapers UTG 870 Optic Mount 12 Gauge is compatible with Remington Model 870 Remington Model 870 12 GaugeLeapers MT-RM870: UTG Pro 870 Optic Mount 12 Gauge Scope Mount Black Medium