Midwest Industries Extended Free Float Handguard SIG Sauer 516 7.25 in M-LOK Anodized Black. WILL Work with Bayonet Lug Models and NON-Bayonet Lug Models Specifications for Midwest Industries SIG 516 Extended Free Float M-LOK Handguard: Manufacturer: Midwest Industries Gun Make: SIG Sauer Gun Model: SIG Sauer SIG 516 Handguard Length: 7.25 in Color: Black Finish: Type III Hard Coat Anodized Handguard Type: Free-Float Gun Rail: M-LOK Handguard Material: 6061 Aluminum Condition: New Included Accessories: Standard Country of Origin: USA Fabric/Material: 6061 Aluminum Gun Type: Rifle Quantity: 1 Features of Midwest Industries SIG 516 Extended Free Float M-LOK Handguard Monolithic type continuous top rail Five anti rotation QD sockets for push button swivels Lightweight with extremely solid lock up M-LOK Compatible sides Extends past the front sight tower for additional space for mounting accessories Package Contents: Midwest Industries SIG 516 Extended Free Float M-LOK Handguard Five-Slot M-LOK Compatible Rail Piece What firearm models does the manufacturer say Midwest Industries SIG 516 Extended Free Float M-LOK Handguard is compatible with? The manufacturer suggests that Midwest Industries SIG 516 Extended Free Float M-LOK Handguard is compatible with SIG Sauer SIG 516Midwest Industries MI-516MX: Extended Free Float Handguard SIG Sauer 516 7.25 in M-LOK Anodized Black