TRYBE Defense AR-15 Magnite 10.5in M-LOK Complete Upper Receiver .223 Wylde Version 2 Carbine Length 1-8 1/2x28 Black. 5" M-LOK Complete Upper Receiver chambered in .223 Wylde. Components of this upper receiver include: 10.5 Barrel A high-performance 10.5 government profile barrel milled from 4150 CMV steel with a black nitride coating inside and out. Featuring a 1:8 twist rate 1/2x28 TPI and 6-groove rifling this barrel is equipped with a carbine length gas system. To ensure the highest level of safety and functionality all TRYBE Defense barrels undergo a 70-point inspection process during manufacturing to include 100percent inspection of headspace and guarantee compliance with SAAMI specifications. Each barrel is also air gauged after rifling and held to .0002" concentricity of the bore. 9 M-LOK Magnite Handguard An ultra lightweight heat treated 9 Magnite material handguard with full top picatinny rail system featuring M-LOK positions at 90 180 and 270 . Magnite is a magnesium alloy that is just as strong as 6061-T6 Aluminum but weighs 30percent less. The total combined weight of the Magnite handguard Magnite barrel nut and mounting hardware is just 4.68 oz. Bolt Carrier Group A fully assembled BCG that includes the bolt bolt carrier gas key firing pin cam pin and firing pin retaining pin. Every TRYBE Defense bolt is High Pressure Torsion (HPT) Magnetic Particle Inspected (MPI) shot-peened and the gas key staked to MIL-SPEC standards during production. The M16 black nitride BCG is machined from durable and corrosion-resistant AISI 8620 steel and hardened to MIL-SPEC standards. The interior of the bolt carrier and bolt carrier key is black nitride-lined. This BCG is compatible with .223 Remington 5.56x45mm NATO and .300 AAC Blackout-chambered AR-15 rifles and weighs just 11.3 oz. Ambidextrous Magnite Charging Handle Made from 33percent lighter and 15percent stronger material than standard aluminum coated in self-lubricating hexagonal electro nickel boron nitride that all but eliminates friction sound and the need for wet lubrication the ambidextrous TRYBE Defense Magnite Charging Handle offers a tactical feel and reliable charge despite its ridiculously lightweight frame. Contoured construction prevents catching and deep grooves on the rattle-eliminating latch-integrated release levers are easy to locate in low light or with wet cold or gloved hands. The TRYBE Defense V2 AR-15 Magnite 10.5" M-LOK Complete Upper Receiver is the perfect upper for any shooter serious about the quality of their rifle. For high performance gun parts quality gear and innovative industry-leading optics check out the premium products offered at TRYBE Defense TRYBE Tactical and TRYBE Optics. JOIN. THE. TRYBE. Specifications for TRYBE Defense AR-15 Magnite 10.5in M-LOK Complete Upper Receiver .223 Wylde Version 2: Manufacturer: TRYBE Defense Caliber: .223 Wylde Overall Length: 10.5 in Barrel Length: 10.5 in Barrel Profile: Government Gas System Length: Carbine Length Barrel Twist Rate: 1-8 Threads per Inch: 1/2x28 Handguard Type: Free-Float Finish: Anodized Color: Black Gun Model: AR-15 Fabric/Material: Magnite Magnesium Alloy 4150 CMV Steel AISI 8620 Alloy Steel Gas Block Journal Size-Diameter: .750 in Gun Make: AR Platform Gas Block Journal Size-Length: 1.1 in Weight: 48 oz 3 lb Rifling Profile: 6 Groove Rifling Gas Port Size: 0.081 in Features of TRYBE Defense AR-15 Magnite 10.5in M-LOK Complete Upper Receiver .223 Wylde Version 2 Machined from Supremely Lightweight Magnite Magnesium Alloy 4150 CMV Steel AISI 8620 Alloy Steel Handguard M-LOK Positions: 90 /180 /270 Handguard and Barrel Nut Material Composition is 100percent Magnite Magnesium Alloy MIL-SPEC BCG BCG High Pressure Torsion (HPT) and Magnetic Particle Inspected (MPI) Interior Black Nitride-Lined M16 Phosphate Bolt Carrier Shot Peened BCG Gas Key Staked to MIL-SPEC Standards Hexagonal Electro Nickel Boron Nitride Coated Magnite Magnesium Alloy Ambidextrous Charging Handle Reduces Friction Sound and Reduces Need for Wet Lubrication 100percent Made in the USA Package Contents: TRYBE Defense AR-15 Magnite 10.5in M-LOK Complete Upper Receiver .223 Wylde Version 2 TRYBE Warranty TRYBE products are made for performance and durability and are covered by a comprehensive warranty depending on the type of product. See full warranty information here What firearm models does the manufacturer say TRYBE Defense AR-15 Magnite 10.5in M-LOK Complete Upper Receiver .223 Wylde Version 2 is compatible with? The manufacturer suggests that TRYBE Defense AR-15 Magnite 10.5in M-LOK Complete Upper Receiver .223 Wylde Version 2 is compatible with AR-15TRYBE Defense UPPER105223-V2: AR-15 Magnite 10.5in M-LOK Complete Upper Receiver .223 Wylde Version 2 Carbine Length 1-8 1/2x28 Black