Windham Weaponry's 300 Blackout features a 16" chrome-lined barrel made of 4150 chrome moly vanadium steel barrel with a medium profile and M4 feed ramps. It has a Diamondhead T Brake. The flattop 7075 T6 aircraft aluminum receiver is durable black hard-coat anodized and is laser engraved with WW marking and caliber for safety and quick identification. The manual lever safety has indicator markings on both sides of the receiver. It has a Magpul enhanced trigger guard, Diamondhead VRS-T 13.5" free-float forend with two QD sling swivels, Hogue beaver tail pistol grip, and Hogue 6-position telescoping stock with a QD socket end-plate. It comes with a 30-round magazine, hard plastic gun case with black web sling.