JE Machine Tech Ultra Lightweight J-Series rails delivers unrivaled weight savings and durability when success is measured by the gram.

• Barrel Nut and all mounting hardware included
• 7 MLOK slots in the 3,6 and 9 o’clock positions offer versatile accessory mounting options
• 5 slot Picatinny Rail Section for your BUIS (or other accessories)
• Type II Black Anodized
• Meticulously crafted from 6061 T6 Aluminum
• 1.315” Inner Diameter
• Ultra Lightweight weighing in at only 5.1 oz (7″), 6.4 oz (10″), 7.2 oz (12″), 8.4 oz (15″), barrel nut is additional 3 oz
• Torque Spec 35-45 ft/lb
• The wrench size for the barrel nut is 30mm