SKU 51655160246 Brand Palmetto State Armory Model Number 51655160246 UPC 51655160246 DETAILS Barrel Length: 20” Barrel Material: 416R Stainless Barrel Finish: Black Nitride Chamber: .223 Wylde Twist Rate: 1:8 Muzzle Device: Sabre Compensator Extension: M4 Gas System: Mid-Length Gas Block Type: Adjustable Upper Receiver: Billet Receiver Style: Sabre M4 Flat top with feed ramps and Engraved T-Marks Receiver Finish: Hardcoat Anodized Forward Assist: Yes Dust Cover: Timbercreek E AR BCD Handguard Style: PSA 18" Knurled Slant Rail