DoubleStar Constant Carry Carbine (C3)

The DoubleStar Constant Carry Carbine (C3) in 5.56mm is a flat-top AR-15 platform built for versatility and ease of handling. Featuring a 16-inch barrel, mil-spec construction, and a lightweight design, this carbine is suited for home defense, recreational shooting, or tactical training. The flat-top upper receiver allows for easy optics mounting, while the standard M4-style stock ensures adjustability for shooters of all sizes. Chambered in 5.56mm NATO, it accepts common AR magazines (sold separately) and delivers dependable performance with minimal recoil. Kansas residents can ship directly to their preferred FFL dealer for a smooth transfer process. Whether you’re a seasoned shooter or building your first rifle, the C3 offers a no-nonsense foundation for customization or ready-to-use reliability.