Windham Weaponry RMCS2 Multi-Caliber Rifle Semi-Auto 223 Rem,300 BO 16.20" Black 6 Position

Windham Weaponry s Mulit-Caliber Rifle offers 2 calibers in the same AR platform by simply changing out barrels. The interchangeable barrels are chrome lined for long wear and easy cleaning, machined from 4150 chrome moly vanadium steel, finished in black manganese phosphate, and rifled appropriately for the intended caliber. Receivers are CNC machined from forged 7075 T6 Aircraft Aluminum and finished in hardcoat black anodize. Bolts are machined from carpenter 158 steel.