Durable aluminum Black anodize finish Heavy Duty hook and loop fastener included for mounting onto most Shotgun receivers Two-piece design with dovetail slot. so that the Side Saddle can be configured for 4 or 6 shells Our shell carrier Holds 6 each 12 Gauge Shotshells Our shell carrier Holds 6 each 12 Gauge Shotshells Universal style fits all 12 gauge shotguns Two-piece design with dovetail slot. so that the Side Saddle can be configured for 4 or 6 shells Heavy Duty hook and loop fastener included for mounting onto most Shotgun receivers All Durable Aluminum Construction Black anodized finish Length:6.125" Height:1.5" Width:1.25" Weight 4.3 oz