STNGR AR-15 .223 Wylde 16in M-LOK Complete Upper Receiver w/15in VYPR Handguard BCG & CH Black Anodized. Perfect for those who want to save time with a truly plug-and-play solution. This complete upper uses a hybrid 223 Wylde barrel with 1:8 twist performance Bolt Carrier Group (BCG) billet upper mid-length gas system and is compatible with all mil-spec lowers. Shop the new complete upper and join the SWARM Specifications for STNGR AR-15 .223 Wylde 16in M-LOK Complete Upper Receiver w/15in VYPR Handguard BCG & CH: Manufacturer: STNGR Caliber: .223 Wylde Barrel Length: 16 in Barrel Profile: Standard Gas System Length: Mid Length Barrel Twist Rate: 1-8 Firearms Threads Per Inch: 1/2x28 Handguard Type: Free-Float Muzzle Device: Flash Hider Gun Model: AR-15 Fabric/Material: Steel Gas Block Journal Size-Diameter: .750 in Handguard Length: 15 in Gun Rail: M-LOK Gun Make: AR Platform Barrel Material: 4150 CMV Steel Weight: 4.28 lb Bolt Carrier Group Included: MIL-SPEC Charging Handle Included: MIL-SPEC Magazine Included: No Features of STNGR .223 Wylde 16in M-LOK Complete Upper Receiver w/15in VYPR Handguard BCG & CH Billet Upper Receiver AR15 Charging Handle Forged Premium Phosphate M16 Bolt Carrier Group (BCG) 9310 Alloy Steel Bolt Case Hardened Shot Peened MPI 8620 Alloy Steel Carrier Low Profile Gas Block .750in Set Screw Flash Hider- A2 Crush Washer Pin Hinge Dust Cover Ejection Port Spring Package Contents: STNGR .223 Wylde 16in M-LOK Complete Upper Receiver w/15in VYPR Handguard BCG & CH What firearm models does the manufacturer say STNGR AR-15 .223 Wylde 16in M-LOK Complete Upper Receiver w/15in VYPR Handguard BCG & CH is compatible with? The manufacturer suggests that STNGR AR-15 .223 Wylde 16in M-LOK Complete Upper Receiver w/15in VYPR Handguard BCG & CH is compatible with AR-15STNGR 15VM-UPPER: AR-15 .223 Wylde 16in M-LOK Complete Upper Receiver w/15in VYPR Handguard BCG & CH Black Anodized