Alexander Arms

The Alexander Arms .17 HMR AR-15 upper receiver assembly is offered standard with an 18 stainless steel button-rifled 1:10 twist barrel with straight flutes muzzle threaded 1/2-28 TPI RH for standard .223/5.56 muzzle devices. The standard handguard is our mid-length G10 fiberglass composite non-vented mid-length free-floating handguard. This product includes the required lower receiver conversion parts kit and two 10-round magazines. The weapon features a blowback operating system. Weight of upper is 4.5 pounds. This unit is 100% complete and is compatible with any standard-specification lower receiver after installation of included parts kit. - Manufacturer: Alexander Arms Llc. - Pricing Unit: EA - Model Complete Upper Assembly - Width: 4.4000 - Length: 20.1000 - Height: 4.3000 - Weight: 6.8000 - Ar-15: Accessory: Yes - Barrel Finish: Stainless - Barrel Length in Inches: 18 - Caliber: .17HMR - Dimension: 4.65 X 10.00 X 37.75 - Rate Of Twist: 1:10