Astra Sturmgewehr 4 Carbine

Weight Without Mag: 3,1 kg. Empty 30 Round Mag: 0,11 kg. Loaded 30 Round Mag: 0,45 kg. Overall Length: 840mm (Stock Retracted 760mm). Type of Barrel: Hbar. Method of Operation: Gas, Direct System, Locking Bolt. Muzzle Velocity: 884m/sec. Muzzle Energy: 1.645 Joules. Effective Range: 600 m. Rear Sight: Target Sight Adjustable for Windage and Elevation to 600 m. Sight Radius: 370mm. Fire Control Selection: Safe - Fire. Upper Receiver: Flat Top With Detachable Carrying Handle. Unique direct gas operating system eliminates the conventional operating rod normally associated with gas operating weapons. Accommodates the full range of 5.56mm ammunition, including the NATO M855/SS109 and U.S. M193, utilizing a rifling twist of 1 turn in 9”. Straight-line construction disperses recoil straight back to the shoulder, increasing handling capabilities. Target style rear sight features dual apertures (0-200m, 300-600m) and adjusts for both windage and elevation. Graduated elevation knob allows for adjustments from 300 to 600 meters (800m for fixed handle) without need to remember bullet drop. Cartridge case deflector allows easy operation in both right and left handed shooting positions for increased tactical applications. Muzzle compensator further reduces muzzle climb, and helps eliminate flash and dust signatures. Ejection port cover protects the chamber from dust and mud when weapon is in use. Field strips easily without special tools for simple field user maintenance. Flat top receiver allows for removable carry handle and easy mounting of optics. Barrel configuration allows launching of all standard rifle grenades, U.S and NATO, without supplemental attachments. M203 40mm Grenade Launcher mounts directly to the Rifle without modification. High strength materials add durability to the forearm, buttstock and pistol grip for greater comfort and effectiveness.