Adams Arms Base AR15 Black 5.56 / .45 Caliber 14.5 Barrel 30-Rounds

Base AR15 Features The Adams Arms Piston system is a short stroke-free floating piston system. The system is self-cleaning carbon and gases are expelled forward away from the operator and it doesn t vent directly to atmospheric pressure. This eliminates flash signature and super sonic crack which is optimal for night vision and suppresses fire. Corrosive-resistant coating protects the rifle from weather and fouling. An adjustable gas block provides settings for various applications. - Doesn t vent directly to atmospheric pressure; this eliminates flash signature and super sonic crack which is optimal for night vision and suppresses fire. The Mid-Length Base model has a short 14.5 barrel with a permanently pinned VDI Manimal Flash Hider to bring it back to a legal 16. Base AR15 Specifications Action: Semi-Auto Caliber: 5.56 NATO Capacity: 30rd Barrel: 14.5 1:7 Government 4150 Chrome Moly Vanadium Steel Pinned VDI Manimal Flash Hider Barrel Finish: QPQ Melonite / Black Nitride Sights: None Single Rail Gas Block Mil-Spec Forged 7075-T6 M-4 Upper Receiver Hard-coat Anodized Finish Mil-Spec Forged 7075-T6 Lower Receiver Hard-Coat Anodized Finish Trigger: Mil-Spec Standard Trigger Stock: Mil-Spec 6-Position Buttstock Grip: Standard A2 Handguard: 2-Piece Polymer Mid-Length Finish: Black Weight: 6.415 lbs. Mid short-stroke piston-operated gas system 0.750 Gas block diameter 1-Piece bolt carrier w/integral piston strike face 1913 Picatinny rail flat top dry lube internal finish laser-engraved T-markings M4 Feed Ramps Beveled magwell Machined chevrons in front strap 30-Round GI aluminum magazine M-4 Style Thermoset molded polymer handguards with lower heat shield.