MATEBA 518 
General Description: Piston driven with Tool less gas bleeding regulator for suppressor use. Safety/Fire/Auto selector. 
All controls are ambidextrous. Larger trigger guard for use with winter or underwater heavy gloves. 
Full length STANAG 4694 top rail continuous with the handguard. An M-lock system is available on sides and underside. Magazine compatibility in accordance with NATO-STANAG-DRAFT 4179 Cal. 5.56 NATO

MATERIALS AND CONSTRUCTION: 

  • · LOWER RECEIVER: Mil-Spec with Enhanced Flared Magazine Well. Forged 7075-T6 Aluminum, Type III Hard Coat Anodized. Possibility also from block.
  • · UPPER RECEIVER: Mil-Spec with M4 Feed Ramps. Forged 7075-T6 Aluminum, Type III Hard Coat Anodized. Possibility also from block.
  • · BARREL: Chrome Moly Vanadium Steel, Button Rifled 1:8 Twist 5R rifling, 14.5′′, 12” 0r 10.3” M4 Heavy Profile, Gas Nitrated. Black “Nipre” Coated and Italian Proof house tested. 
  • · GAS SYSTEM: Piston driven system with proprietary gas bleeding regulator. 
  • MUZZLE DEVICE: Standard A2 Design or proprietary Brake/Flash suppressor system. 
·  BOLT CARRIER GROUP: Nitrided body with slam fire safety on the firing pin. Italian Proof house tested. ·  BUFFER: H Buffer (Hydraulic Rate reducer on study) ·  SIGHTS: Sold Separately · HANDGUARD: Proprietary floating handguard with STANAG 4694 top rail. M-Lock system available by sides and underside. ·  RECEIVER EXTENSION: 6 Position Mil-Spec 7075-T6 Aluminum with anti rattle system for stock movements. 
·  BUTTSTOCK: Buttstock, Glass Filled Polymer construction. ·  PISTOL GRIP: Pistol Grip, Glass Filled Polymer construction. 
page2image16310720
page2image1799376