Fits Remington 870 Shotgun and Variants Precision Machined from Aircraft Aluminum with Maximum Strength Low Profile with See-through Feature and V-cut on Top Rail, 14 Picatinny Slots on Top Simple and Friendly Installation, No Gunsmith or Tool Required Solid Locking Features for Most Secure Fit Ultimate Tactical Solution to Enhance Accuracy under Toughest Environments Hard Anodized Finish for Wear Resistance