Upper And Lower Receivers

Barrel: 14.5" 5.56 Caliber 1/8 Twist 4150 CMV Heavy Profile with M4 Feed Ramp. Chrome Lined.Gas System: Direct Impingement, Carbine LengthUpper Receiver: A3 Mil-Spec 7075-T6 Aluminum with Mil-Spec Hard Anodized Finish.Charging Handle: Standard Charging...

BARREL: 12.5" 5.56 Caliber 1/8 Twist 4150 CMV Heavy Profile With M4 Feed Ramp. Chrome LinedGAS SYSTEM: Direct Impingement, Carbine LengthUPPER RECEIVER: A3 Mil-Spec 7075-T6 Aluminum With Mil-Spec Hard Anodized Finish.CHARGING...

**PLEASE NOTE: This item MUST be shipped to Licensed Firearms Dealer.  We will contact you for a copy of the FFL that you would like to use.** Made from 7075T6 aluminum forgings Our lowers are made in house on our state of the art machines Made...

The Standard Manufacturing Co. STD-15 upper receiver, like the STD-15 lower receiver, is entirely manufactured in-house to the most exacting tolerances and to the highest quality control levels. The STD-15 upper begins with a 7075T6 aluminum forging and...

The Standard Manufacturing Co. STD15 upper receiver is completely manufactured in-house alongside the STD15 Lower receivers.   As with the STD15 lower receivers, the STD15 uppers are constructed to the most exacting...

Milspec Lower Receiver Parts Kit Great quality parts to make a true Milspec Lower Receiver into a Rifle The kit includes: A2 Pistol Grip Bolt Catch Bolt Catch Plunger Bolt Catch Roll Pin Bolt Catch Spring Buffer Retainer Buffer Retainer...

The Standard Manufacturing Co. STD-15 lower receiver is completely manufactured in-house to the most exacting tolerances and to the highest quality control levels.  The STD-15 lower begins with a 7075T6 aluminum forging...