AR-15 Upper Parts

Aim Sports M4 Carbine Quad Rail - Black The M4 carbine length drop-in quad rail is an easy to install upgrade for the basic carbine. Made of black anodized aircraft grade aluminum and compatible with most direct impingement gas systems. When installing...

Aim Sports Inc AR-15 Free Float M-LOK Handguard These sleek, modern designs, offering such features as a steel barrel nut, and machined anti-rotation tabs. Cut for weight reduction, this system still retains the utmost in robust construction and...