Arsenal Inc Next Gen Quick Release Riflescope Mounts w/ Picatinny Rail SAM7K Black 5.8in. 2.9in of Picatinny rail play per section 5.8in total. Low profile one-piece quick release 7 railing slots forward of rear sight and 7 railing slots behind rear sight Arsenal Inc USA. The SM-22 utilizes the time-proven steel adjustable locking mechanism (tension adjustable) that allows instantaneous attachment without any compromise to accuracy. Unlike other mounts that attach to unstable top covers or gas tubes the SM-22 mount attaches to the side scope rail. Specifications for Arsenal Inc Next Gen Quick Release Riflescope Mounts w/ Picatinny Rail SAM7K: Manufacturer: Arsenal Inc Color: Black Finish: Matte Fabric/Material: Aluminium Alloy Quantity: 1 Gun Make: Arsenal Firearms Gun Type: Rifle Length: 5.8 in Fit: AR-M4SF SAM7K Regular SAM7SFK Activity/Occasion: Duty Outdoor Casual Work Sports Application: Everyday Outdoor Casual Work Seasonal/Temperature Use: All Seasons Gun Rail: Picatinny Age Group: Adults Gender: Unisex Features of Arsenal Inc Next Gen Quick Release Riflescope Mounts w/ Picatinny Rail SAM7K 7 Railing Slots Forward Of Rear Sight And 7 Railing Slots Behind Rear Sight Low Profile One-Piece Quick Release Package Contents: Arsenal Inc Next Gen Quick Release Riflescope Mounts w/ Picatinny Rail SAM7K Arsenal Inc SM-22: Next Gen Quick Release Riflescope Mounts w/ Picatinny Rail SAM7K Black 5.8in