• Matte Black Anodized 6061-T6 Aluminum Construction
• 3.94″ Scalloped 9 Slot Picatinny Rail with 0.59″ Saddle Height
• Compatible with Most 9mm – 11mm Flat or Round Dovetail Rails
• Full Length Locking Side Plate for a Secure and Repeatable Zero Hold
• Optional Recoil Stop Pin Provides Additional Retention Against Bidirectional Recoil